2024-02-07 00:51:18

by Jaegeuk Kim

Subject: [PATCH 1/3] f2fs: deprecate io_bits

Let's deprecate an unused io_bits feature to save CPU cycles and memory.

Signed-off-by: Jaegeuk Kim <[email protected]>
---
Documentation/filesystems/f2fs.rst | 2 -
fs/f2fs/data.c | 73 +------------------------
fs/f2fs/f2fs.h | 25 ++-------
fs/f2fs/file.c | 2 -
fs/f2fs/gc.c | 10 +---
fs/f2fs/segment.c | 9 +--
fs/f2fs/super.c | 88 +-----------------------------
include/linux/f2fs_fs.h | 6 --
8 files changed, 10 insertions(+), 205 deletions(-)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 32cbfa864f38..9ac5083dae8e 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -229,8 +229,6 @@ mode=%s Control block allocation mode which supports "adaptive"
option for more randomness.
Please, use these options for your experiments and we strongly
recommend to re-format the filesystem after using these options.
-io_bits=%u Set the bit size of write IO requests. It should be set
- with "mode=lfs".
usrquota Enable plain user disk quota accounting.
grpquota Enable plain group disk quota accounting.
prjquota Enable plain project quota accounting.
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 05158f89ef32..828c797cd47c 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -338,17 +338,6 @@ static void f2fs_write_end_io(struct bio *bio)
struct page *page = bvec->bv_page;
enum count_type type = WB_DATA_TYPE(page, false);

- if (page_private_dummy(page)) {
- clear_page_private_dummy(page);
- unlock_page(page);
- mempool_free(page, sbi->write_io_dummy);
-
- if (unlikely(bio->bi_status))
- f2fs_stop_checkpoint(sbi, true,
- STOP_CP_REASON_WRITE_FAIL);
- continue;
- }
-
fscrypt_finalize_bounce_page(&page);

#ifdef CONFIG_F2FS_FS_COMPRESSION
@@ -522,50 +511,13 @@ void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, struct bio *bio,
submit_bio(bio);
}

-static void f2fs_align_write_bio(struct f2fs_sb_info *sbi, struct bio *bio)
-{
- unsigned int start =
- (bio->bi_iter.bi_size >> F2FS_BLKSIZE_BITS) % F2FS_IO_SIZE(sbi);
-
- if (start == 0)
- return;
-
- /* fill dummy pages */
- for (; start < F2FS_IO_SIZE(sbi); start++) {
- struct page *page =
- mempool_alloc(sbi->write_io_dummy,
- GFP_NOIO | __GFP_NOFAIL);
- f2fs_bug_on(sbi, !page);
-
- lock_page(page);
-
- zero_user_segment(page, 0, PAGE_SIZE);
- set_page_private_dummy(page);
-
- if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE)
- f2fs_bug_on(sbi, 1);
- }
-}
-
static void f2fs_submit_write_bio(struct f2fs_sb_info *sbi, struct bio *bio,
enum page_type type)
{
WARN_ON_ONCE(is_read_io(bio_op(bio)));

- if (type == DATA || type == NODE) {
- if (f2fs_lfs_mode(sbi) && current->plug)
- blk_finish_plug(current->plug);
-
- if (F2FS_IO_ALIGNED(sbi)) {
- f2fs_align_write_bio(sbi, bio);
- /*
- * In the NODE case, we lose next block address chain.
- * So, we need to do checkpoint in f2fs_sync_file.
- */
- if (type == NODE)
- set_sbi_flag(sbi, SBI_NEED_CP);
- }
- }
+ if (f2fs_lfs_mode(sbi) && current->plug && PAGE_TYPE_ON_MAIN(type))
+ blk_finish_plug(current->plug);

trace_f2fs_submit_write_bio(sbi->sb, type, bio);
iostat_update_submit_ctx(bio, type);
@@ -794,16 +746,6 @@ static bool io_is_mergeable(struct f2fs_sb_info *sbi, struct bio *bio,
block_t last_blkaddr,
block_t cur_blkaddr)
{
- if (F2FS_IO_ALIGNED(sbi) && (fio->type == DATA || fio->type == NODE)) {
- unsigned int filled_blocks =
- F2FS_BYTES_TO_BLK(bio->bi_iter.bi_size);
- unsigned int io_size = F2FS_IO_SIZE(sbi);
- unsigned int left_vecs = bio->bi_max_vecs - bio->bi_vcnt;
-
- /* IOs in bio is aligned and left space of vectors is not enough */
- if (!(filled_blocks % io_size) && left_vecs < io_size)
- return false;
- }
if (!page_is_mergeable(sbi, bio, last_blkaddr, cur_blkaddr))
return false;
return io_type_is_mergeable(io, fio);
@@ -1055,14 +997,6 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
__submit_merged_bio(io);
alloc_new:
if (io->bio == NULL) {
- if (F2FS_IO_ALIGNED(sbi) &&
- (fio->type == DATA || fio->type == NODE) &&
- fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
- dec_page_count(sbi, WB_DATA_TYPE(bio_page,
- fio->compressed_page));
- fio->retry = 1;
- goto skip;
- }
io->bio = __bio_alloc(fio, BIO_MAX_VECS);
f2fs_set_bio_crypt_ctx(io->bio, fio->page->mapping->host,
bio_page->index, fio, GFP_NOIO);
@@ -1092,7 +1026,6 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
__submit_merged_bio(io);
}
#endif
-skip:
if (fio->in_list)
goto next;
out:
@@ -2669,8 +2602,6 @@ bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
if (fio) {
if (page_private_gcing(fio->page))
return true;
- if (page_private_dummy(fio->page))
- return true;
if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED) &&
f2fs_is_checkpointed_data(sbi, fio->old_blkaddr)))
return true;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 543898482f8b..4c52136cbc10 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -148,7 +148,6 @@ struct f2fs_rwsem {

struct f2fs_mount_info {
unsigned int opt;
- int write_io_size_bits; /* Write IO size bits */
block_t root_reserved_blocks; /* root reserved blocks */
kuid_t s_resuid; /* reserved blocks for uid */
kgid_t s_resgid; /* reserved blocks for gid */
@@ -1117,6 +1116,7 @@ enum count_type {
* ... Only can be used with META.
*/
#define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
+#define PAGE_TYPE_ON_MAIN(type) ((type) == DATA || (type) == NODE)
enum page_type {
DATA = 0,
NODE = 1, /* should not change this */
@@ -1211,7 +1211,6 @@ struct f2fs_io_info {
unsigned int submitted:1; /* indicate IO submission */
unsigned int in_list:1; /* indicate fio is in io_list */
unsigned int is_por:1; /* indicate IO is from recovery or not */
- unsigned int retry:1; /* need to reallocate block address */
unsigned int encrypted:1; /* indicate file is encrypted */
unsigned int post_read:1; /* require post read */
enum iostat_type io_type; /* io type */
@@ -1413,18 +1412,16 @@ static inline void f2fs_clear_bit(unsigned int nr, char *addr);
* Layout A: lowest bit should be 1
* | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
* bit 0 PAGE_PRIVATE_NOT_POINTER
- * bit 1 PAGE_PRIVATE_DUMMY_WRITE
- * bit 2 PAGE_PRIVATE_ONGOING_MIGRATION
- * bit 3 PAGE_PRIVATE_INLINE_INODE
- * bit 4 PAGE_PRIVATE_REF_RESOURCE
- * bit 5- f2fs private data
+ * bit 1 PAGE_PRIVATE_ONGOING_MIGRATION
+ * bit 2 PAGE_PRIVATE_INLINE_INODE
+ * bit 3 PAGE_PRIVATE_REF_RESOURCE
+ * bit 4- f2fs private data
*
* Layout B: lowest bit should be 0
* page.private is a wrapped pointer.
*/
enum {
PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */
- PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */
PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */
PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */
PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */
@@ -1571,7 +1568,6 @@ struct f2fs_sb_info {
struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
/* keep migration IO order for LFS mode */
struct f2fs_rwsem io_order_lock;
- mempool_t *write_io_dummy; /* Dummy pages */
pgoff_t page_eio_ofs[NR_PAGE_TYPE]; /* EIO page offset */
int page_eio_cnt[NR_PAGE_TYPE]; /* EIO count */

@@ -2307,10 +2303,6 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
if (!__allow_reserved_blocks(sbi, inode, true))
avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;

- if (F2FS_IO_ALIGNED(sbi))
- avail_user_block_count -= sbi->blocks_per_seg *
- SM_I(sbi)->additional_reserved_segments;
-
if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
if (avail_user_block_count > sbi->unusable_block_count)
avail_user_block_count -= sbi->unusable_block_count;
@@ -2378,17 +2370,14 @@ static inline void clear_page_private_##name(struct page *page) \
PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
-PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);

PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
-PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);

PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
-PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);

static inline unsigned long get_page_private_data(struct page *page)
{
@@ -2644,10 +2633,6 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
if (!__allow_reserved_blocks(sbi, inode, false))
valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;

- if (F2FS_IO_ALIGNED(sbi))
- valid_block_count += sbi->blocks_per_seg *
- SM_I(sbi)->additional_reserved_segments;
-
user_block_count = sbi->user_block_count;
if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
user_block_count -= sbi->unusable_block_count;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 25b119cf3499..c6cd9474ba2d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -822,8 +822,6 @@ static bool f2fs_force_buffered_io(struct inode *inode, int rw)
*/
if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE))
return true;
- if (f2fs_lfs_mode(sbi) && rw == WRITE && F2FS_IO_ALIGNED(sbi))
- return true;
if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
return true;

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index a079eebfb080..6899f434ad68 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1184,7 +1184,6 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
.op_flags = 0,
.encrypted_page = NULL,
.in_list = 0,
- .retry = 0,
};
int err;

@@ -1273,7 +1272,6 @@ static int move_data_block(struct inode *inode, block_t bidx,
.op_flags = 0,
.encrypted_page = NULL,
.in_list = 0,
- .retry = 0,
};
struct dnode_of_data dn;
struct f2fs_summary sum;
@@ -1393,18 +1391,12 @@ static int move_data_block(struct inode *inode, block_t bidx,
fio.op_flags = REQ_SYNC;
fio.new_blkaddr = newaddr;
f2fs_submit_page_write(&fio);
- if (fio.retry) {
- err = -EAGAIN;
- if (PageWriteback(fio.encrypted_page))
- end_page_writeback(fio.encrypted_page);
- goto put_page_out;
- }

f2fs_update_iostat(fio.sbi, NULL, FS_GC_DATA_IO, F2FS_BLKSIZE);

f2fs_update_data_blkaddr(&dn, newaddr);
set_inode_flag(inode, FI_APPEND_WRITE);
-put_page_out:
+
f2fs_put_page(fio.encrypted_page, 1);
recover_block:
if (err)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 7901ede58113..e5759813276a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3507,9 +3507,6 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
if (fio) {
struct f2fs_bio_info *io;

- if (F2FS_IO_ALIGNED(sbi))
- fio->retry = 0;
-
INIT_LIST_HEAD(&fio->list);
fio->in_list = 1;
io = sbi->write_io[fio->type] + fio->temp;
@@ -3557,7 +3554,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)

if (keep_order)
f2fs_down_read(&fio->sbi->io_order_lock);
-reallocate:
+
f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type, fio);
if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
@@ -3565,10 +3562,6 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)

/* writeout dirty page into bdev */
f2fs_submit_page_write(fio);
- if (fio->retry) {
- fio->old_blkaddr = fio->new_blkaddr;
- goto reallocate;
- }

f2fs_update_device_state(fio->sbi, fio->ino, fio->new_blkaddr, 1);

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 1b718bebfaa1..f1516fd5088a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -138,7 +138,6 @@ enum {
Opt_resgid,
Opt_resuid,
Opt_mode,
- Opt_io_size_bits,
Opt_fault_injection,
Opt_fault_type,
Opt_lazytime,
@@ -217,7 +216,6 @@ static match_table_t f2fs_tokens = {
{Opt_resgid, "resgid=%u"},
{Opt_resuid, "resuid=%u"},
{Opt_mode, "mode=%s"},
- {Opt_io_size_bits, "io_bits=%u"},
{Opt_fault_injection, "fault_injection=%u"},
{Opt_fault_type, "fault_type=%u"},
{Opt_lazytime, "lazytime"},
@@ -349,46 +347,6 @@ static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
F2FS_OPTION(sbi).s_resgid));
}

-static inline int adjust_reserved_segment(struct f2fs_sb_info *sbi)
-{
- unsigned int sec_blks = sbi->blocks_per_seg * sbi->segs_per_sec;
- unsigned int avg_vblocks;
- unsigned int wanted_reserved_segments;
- block_t avail_user_block_count;
-
- if (!F2FS_IO_ALIGNED(sbi))
- return 0;
-
- /* average valid block count in section in worst case */
- avg_vblocks = sec_blks / F2FS_IO_SIZE(sbi);
-
- /*
- * we need enough free space when migrating one section in worst case
- */
- wanted_reserved_segments = (F2FS_IO_SIZE(sbi) / avg_vblocks) *
- reserved_segments(sbi);
- wanted_reserved_segments -= reserved_segments(sbi);
-
- avail_user_block_count = sbi->user_block_count -
- sbi->current_reserved_blocks -
- F2FS_OPTION(sbi).root_reserved_blocks;
-
- if (wanted_reserved_segments * sbi->blocks_per_seg >
- avail_user_block_count) {
- f2fs_err(sbi, "IO align feature can't grab additional reserved segment: %u, available segments: %u",
- wanted_reserved_segments,
- avail_user_block_count >> sbi->log_blocks_per_seg);
- return -ENOSPC;
- }
-
- SM_I(sbi)->additional_reserved_segments = wanted_reserved_segments;
-
- f2fs_info(sbi, "IO align feature needs additional reserved segment: %u",
- wanted_reserved_segments);
-
- return 0;
-}
-
static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi)
{
if (!F2FS_OPTION(sbi).unusable_cap_perc)
@@ -919,16 +877,6 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
}
kfree(name);
break;
- case Opt_io_size_bits:
- if (args->from && match_int(args, &arg))
- return -EINVAL;
- if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) {
- f2fs_warn(sbi, "Not support %ld, larger than %d",
- BIT(arg), BIO_MAX_VECS);
- return -EINVAL;
- }
- F2FS_OPTION(sbi).write_io_size_bits = arg;
- break;
#ifdef CONFIG_F2FS_FAULT_INJECTION
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
@@ -1398,12 +1346,6 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
}
#endif

- if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) {
- f2fs_err(sbi, "Should set mode=lfs with %luKB-sized IO",
- F2FS_IO_SIZE_KB(sbi));
- return -EINVAL;
- }
-
if (test_opt(sbi, INLINE_XATTR_SIZE)) {
int min_size, max_size;

@@ -1724,7 +1666,6 @@ static void f2fs_put_super(struct super_block *sb)

f2fs_destroy_page_array_cache(sbi);
f2fs_destroy_xattr_caches(sbi);
- mempool_destroy(sbi->write_io_dummy);
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
@@ -2084,9 +2025,6 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
F2FS_OPTION(sbi).s_resuid),
from_kgid_munged(&init_user_ns,
F2FS_OPTION(sbi).s_resgid));
- if (F2FS_IO_SIZE_BITS(sbi))
- seq_printf(seq, ",io_bits=%u",
- F2FS_OPTION(sbi).write_io_size_bits);
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (test_opt(sbi, FAULT_INJECTION)) {
seq_printf(seq, ",fault_injection=%u",
@@ -2338,7 +2276,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
bool no_read_extent_cache = !test_opt(sbi, READ_EXTENT_CACHE);
bool no_age_extent_cache = !test_opt(sbi, AGE_EXTENT_CACHE);
bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT);
- bool no_io_align = !F2FS_IO_ALIGNED(sbi);
bool no_atgc = !test_opt(sbi, ATGC);
bool no_discard = !test_opt(sbi, DISCARD);
bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
@@ -2446,12 +2383,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}

- if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) {
- err = -EINVAL;
- f2fs_warn(sbi, "switch io_bits option is not allowed");
- goto restore_opts;
- }
-
if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) {
err = -EINVAL;
f2fs_warn(sbi, "switch compress_cache option is not allowed");
@@ -4314,8 +4245,6 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
FDEV(i).total_segments,
FDEV(i).start_blk, FDEV(i).end_blk);
}
- f2fs_info(sbi,
- "IO Block Size: %8ld KB", F2FS_IO_SIZE_KB(sbi));
return 0;
}

@@ -4528,19 +4457,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
if (err)
goto free_iostat;

- if (F2FS_IO_ALIGNED(sbi)) {
- sbi->write_io_dummy =
- mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
- if (!sbi->write_io_dummy) {
- err = -ENOMEM;
- goto free_percpu;
- }
- }
-
/* init per sbi slab cache */
err = f2fs_init_xattr_caches(sbi);
if (err)
- goto free_io_dummy;
+ goto free_percpu;
err = f2fs_init_page_array_cache(sbi);
if (err)
goto free_xattr_cache;
@@ -4628,10 +4548,6 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
goto free_nm;
}

- err = adjust_reserved_segment(sbi);
- if (err)
- goto free_nm;
-
/* For write statistics */
sbi->sectors_written_start = f2fs_get_sectors_written(sbi);

@@ -4862,8 +4778,6 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
f2fs_destroy_page_array_cache(sbi);
free_xattr_cache:
f2fs_destroy_xattr_caches(sbi);
-free_io_dummy:
- mempool_destroy(sbi->write_io_dummy);
free_percpu:
destroy_percpu_info(sbi);
free_iostat:
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 053137a0fe45..9b69c50255b2 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -40,12 +40,6 @@

#define F2FS_ENC_UTF8_12_1 1

-#define F2FS_IO_SIZE(sbi) BIT(F2FS_OPTION(sbi).write_io_size_bits) /* Blocks */
-#define F2FS_IO_SIZE_KB(sbi) BIT(F2FS_OPTION(sbi).write_io_size_bits + 2) /* KB */
-#define F2FS_IO_SIZE_BITS(sbi) (F2FS_OPTION(sbi).write_io_size_bits) /* power of 2 */
-#define F2FS_IO_SIZE_MASK(sbi) (F2FS_IO_SIZE(sbi) - 1)
-#define F2FS_IO_ALIGNED(sbi) (F2FS_IO_SIZE(sbi) > 1)
-
/* This flag is used by node and meta inodes, and by recovery */
#define GFP_F2FS_ZERO (GFP_NOFS | __GFP_ZERO)

--
2.43.0.594.gd9cf4e227d-goog

2024-02-07 00:51:26

by Jaegeuk Kim

Subject: [PATCH 2/3] f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC

No functional change.

Signed-off-by: Jaegeuk Kim <[email protected]>
---
fs/f2fs/checkpoint.c | 10 ++--
fs/f2fs/debug.c | 6 +--
fs/f2fs/f2fs.h | 19 +++++---
fs/f2fs/file.c | 12 ++---
fs/f2fs/gc.c | 40 ++++++++--------
fs/f2fs/node.c | 4 +-
fs/f2fs/node.h | 4 +-
fs/f2fs/recovery.c | 2 +-
fs/f2fs/segment.c | 109 +++++++++++++++++++++----------------------
fs/f2fs/segment.h | 18 ++++---
fs/f2fs/super.c | 8 ++--
fs/f2fs/sysfs.c | 6 +--
12 files changed, 119 insertions(+), 119 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index b85820e70f5e..a09a9609e228 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -900,7 +900,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,

cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);

- if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
+ if (cp_blocks > BLKS_PER_SEG(sbi) || cp_blocks <= F2FS_CP_PACKS) {
f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
le32_to_cpu(cp_block->cp_pack_total_block_count));
goto invalid_cp;
@@ -1335,7 +1335,7 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)

if (cpc->reason & CP_UMOUNT) {
if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
- NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
+ NM_I(sbi)->nat_bits_blocks > BLKS_PER_SEG(sbi)) {
clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
f2fs_notice(sbi, "Disable nat_bits due to no space");
} else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
@@ -1538,7 +1538,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
cp_ver |= ((__u64)crc32 << 32);
*(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);

- blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
+ blk = start_blk + BLKS_PER_SEG(sbi) - nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++)
f2fs_update_meta_page(sbi, nm_i->nat_bits +
(i << F2FS_BLKSIZE_BITS), blk + i);
@@ -1741,9 +1741,9 @@ void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
im->ino_num = 0;
}

- sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
+ sbi->max_orphans = (BLKS_PER_SEG(sbi) - F2FS_CP_PACKS -
NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
- F2FS_ORPHANS_PER_BLOCK;
+ F2FS_ORPHANS_PER_BLOCK;
}

int __init f2fs_create_checkpoint_caches(void)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index fdbf994f1271..0d02224b99b7 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -41,7 +41,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
total_vblocks = 0;
blks_per_sec = CAP_BLKS_PER_SEC(sbi);
hblks_per_sec = blks_per_sec / 2;
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;
@@ -135,7 +135,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->cur_ckpt_time = sbi->cprc_info.cur_time;
si->peak_ckpt_time = sbi->cprc_info.peak_time;
spin_unlock(&sbi->cprc_info.stat_lock);
- si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
+ si->total_count = (int)sbi->user_block_count / BLKS_PER_SEG(sbi);
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
si->valid_count = valid_user_blocks(sbi);
@@ -208,7 +208,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
if (!blks)
continue;

- if (blks == sbi->blocks_per_seg)
+ if (blks == BLKS_PER_SEG(sbi))
si->full_seg[type]++;
else
si->dirty_seg[type]++;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4c52136cbc10..9a9e858083af 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1813,6 +1813,14 @@ struct f2fs_sb_info {
#endif
};

+/* Definitions to access f2fs_sb_info */
+#define BLKS_PER_SEG(sbi) \
+ ((sbi)->blocks_per_seg)
+#define BLKS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec << (sbi)->log_blocks_per_seg)
+#define SEGS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec)
+
__printf(3, 4)
void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...);

@@ -2511,11 +2519,8 @@ static inline int get_dirty_pages(struct inode *inode)

static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
{
- unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
- unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
- sbi->log_blocks_per_seg;
-
- return segs / sbi->segs_per_sec;
+ return (get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1) /
+ BLKS_PER_SEC(sbi);
}

static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
@@ -2579,7 +2584,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

if (sbi->cur_cp_pack == 2)
- start_addr += sbi->blocks_per_seg;
+ start_addr += BLKS_PER_SEG(sbi);
return start_addr;
}

@@ -2588,7 +2593,7 @@ static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

if (sbi->cur_cp_pack == 1)
- start_addr += sbi->blocks_per_seg;
+ start_addr += BLKS_PER_SEG(sbi);
return start_addr;
}

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index c6cd9474ba2d..b0be576b2090 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2580,7 +2580,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
.m_may_create = false };
struct extent_info ei = {};
pgoff_t pg_start, pg_end, next_pgofs;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
block_t blk_end = 0;
bool fragmented = false;
@@ -2689,7 +2688,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
set_inode_flag(inode, FI_SKIP_WRITES);

idx = map.m_lblk;
- while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
+ while (idx < map.m_lblk + map.m_len &&
+ cnt < BLKS_PER_SEG(sbi)) {
struct page *page;

page = f2fs_get_lock_data_page(inode, idx, true);
@@ -2709,7 +2709,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,

map.m_lblk = idx;
check:
- if (map.m_lblk < pg_end && cnt < blk_per_seg)
+ if (map.m_lblk < pg_end && cnt < BLKS_PER_SEG(sbi))
goto do_map;

clear_inode_flag(inode, FI_SKIP_WRITES);
@@ -4081,7 +4081,6 @@ static int f2fs_ioc_decompress_file(struct file *filp)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
pgoff_t page_idx = 0, last_idx;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
int cluster_size = fi->i_cluster_size;
int count, ret;

@@ -4125,7 +4124,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
if (ret < 0)
break;

- if (get_dirty_pages(inode) >= blk_per_seg) {
+ if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
ret = filemap_fdatawrite(inode->i_mapping);
if (ret < 0)
break;
@@ -4160,7 +4159,6 @@ static int f2fs_ioc_compress_file(struct file *filp)
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
pgoff_t page_idx = 0, last_idx;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
int cluster_size = F2FS_I(inode)->i_cluster_size;
int count, ret;

@@ -4203,7 +4201,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
if (ret < 0)
break;

- if (get_dirty_pages(inode) >= blk_per_seg) {
+ if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
ret = filemap_fdatawrite(inode->i_mapping);
if (ret < 0)
break;
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 6899f434ad68..d61a60c1c844 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -259,7 +259,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
p->ofs_unit = 1;
} else {
p->gc_mode = select_gc_type(sbi, gc_type);
- p->ofs_unit = sbi->segs_per_sec;
+ p->ofs_unit = SEGS_PER_SEC(sbi);
if (__is_large_section(sbi)) {
p->dirty_bitmap = dirty_i->dirty_secmap;
p->max_search = count_bits(p->dirty_bitmap,
@@ -282,7 +282,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,

/* let's select beginning hot/small space first in no_heap mode*/
if (f2fs_need_rand_seg(sbi))
- p->offset = get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ p->offset = get_random_u32_below(MAIN_SECS(sbi) *
+ SEGS_PER_SEC(sbi));
else if (test_opt(sbi, NOHEAP) &&
(type == CURSEG_HOT_DATA || IS_NODESEG(type)))
p->offset = 0;
@@ -295,13 +296,13 @@ static unsigned int get_max_cost(struct f2fs_sb_info *sbi,
{
/* SSR allocates in a segment unit */
if (p->alloc_mode == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
else if (p->alloc_mode == AT_SSR)
return UINT_MAX;

/* LFS */
if (p->gc_mode == GC_GREEDY)
- return 2 * sbi->blocks_per_seg * p->ofs_unit;
+ return 2 * BLKS_PER_SEG(sbi) * p->ofs_unit;
else if (p->gc_mode == GC_CB)
return UINT_MAX;
else if (p->gc_mode == GC_AT)
@@ -496,9 +497,9 @@ static void add_victim_entry(struct f2fs_sb_info *sbi,
return;
}

- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, start + i)->mtime;
- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));

/* Handle if the system time has changed by the user */
if (mtime < sit_i->min_mtime)
@@ -599,7 +600,6 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
unsigned long long age;
unsigned long long max_mtime = sit_i->dirty_max_mtime;
unsigned long long min_mtime = sit_i->dirty_min_mtime;
- unsigned int seg_blocks = sbi->blocks_per_seg;
unsigned int vblocks;
unsigned int dirty_threshold = max(am->max_candidate_count,
am->candidate_ratio *
@@ -629,7 +629,7 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
f2fs_bug_on(sbi, !vblocks);

/* rare case */
- if (vblocks == seg_blocks)
+ if (vblocks == BLKS_PER_SEG(sbi))
goto skip_node;

iter++;
@@ -755,7 +755,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
int ret = 0;

mutex_lock(&dirty_i->seglist_lock);
- last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec;
+ last_segment = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);

p.alloc_mode = alloc_mode;
p.age = age;
@@ -896,7 +896,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
else
sm->last_victim[p.gc_mode] = segno + p.ofs_unit;
sm->last_victim[p.gc_mode] %=
- (MAIN_SECS(sbi) * sbi->segs_per_sec);
+ (MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
break;
}
}
@@ -1670,7 +1670,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
struct f2fs_summary_block *sum;
struct blk_plug plug;
unsigned int segno = start_segno;
- unsigned int end_segno = start_segno + sbi->segs_per_sec;
+ unsigned int end_segno = start_segno + SEGS_PER_SEC(sbi);
int seg_freed = 0, migrated = 0;
unsigned char type = IS_DATASEG(get_seg_entry(sbi, segno)->type) ?
SUM_TYPE_DATA : SUM_TYPE_NODE;
@@ -1678,7 +1678,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
int submitted = 0;

if (__is_large_section(sbi))
- end_segno = rounddown(end_segno, sbi->segs_per_sec);
+ end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));

/*
* zone-capacity can be less than zone-size in zoned devices,
@@ -1686,7 +1686,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
* calculate the end segno in the zone which can be garbage collected
*/
if (f2fs_sb_has_blkzoned(sbi))
- end_segno -= sbi->segs_per_sec -
+ end_segno -= SEGS_PER_SEC(sbi) -
f2fs_usable_segs_in_sec(sbi, segno);

sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
@@ -1986,7 +1986,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,

/* Force block allocation for GC */
MAIN_SECS(sbi) -= secs;
- start = MAIN_SECS(sbi) * sbi->segs_per_sec;
+ start = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
end = MAIN_SEGS(sbi) - 1;

mutex_lock(&DIRTY_I(sbi)->seglist_lock);
@@ -2004,7 +2004,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
f2fs_allocate_segment_for_resize(sbi, type, start, end);

/* do GC to move out valid blocks in the range */
- for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
+ for (segno = start; segno <= end; segno += SEGS_PER_SEC(sbi)) {
struct gc_inode_list gc_list = {
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
@@ -2048,7 +2048,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
int segment_count;
int segment_count_main;
long long block_count;
- int segs = secs * sbi->segs_per_sec;
+ int segs = secs * SEGS_PER_SEC(sbi);

f2fs_down_write(&sbi->sb_lock);

@@ -2061,7 +2061,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
raw_sb->segment_count = cpu_to_le32(segment_count + segs);
raw_sb->segment_count_main = cpu_to_le32(segment_count_main + segs);
raw_sb->block_count = cpu_to_le64(block_count +
- (long long)segs * sbi->blocks_per_seg);
+ (long long)(segs << sbi->log_blocks_per_seg));
if (f2fs_is_multi_device(sbi)) {
int last_dev = sbi->s_ndevs - 1;
int dev_segs =
@@ -2076,8 +2076,8 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)

static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
{
- int segs = secs * sbi->segs_per_sec;
- long long blks = (long long)segs * sbi->blocks_per_seg;
+ int segs = secs * SEGS_PER_SEC(sbi);
+ long long blks = (long long)(segs << sbi->log_blocks_per_seg);
long long user_block_count =
le64_to_cpu(F2FS_CKPT(sbi)->user_block_count);

@@ -2119,7 +2119,7 @@ int f2fs_resize_fs(struct file *filp, __u64 block_count)
int last_dev = sbi->s_ndevs - 1;
__u64 last_segs = FDEV(last_dev).total_segments;

- if (block_count + last_segs * sbi->blocks_per_seg <=
+ if (block_count + (last_segs << sbi->log_blocks_per_seg) <=
old_block_count)
return -EINVAL;
}
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 1d898a16f05a..51241996b9ec 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2841,7 +2841,7 @@ int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
int i, idx, last_offset, nrpages;

/* scan the node segment */
- last_offset = sbi->blocks_per_seg;
+ last_offset = BLKS_PER_SEG(sbi);
addr = START_BLOCK(sbi, segno);
sum_entry = &sum->entries[0];

@@ -3158,7 +3158,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
return 0;

- nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
+ nat_bits_addr = __start_cp_addr(sbi) + BLKS_PER_SEG(sbi) -
nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++) {
struct page *page;
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 5bd16a95eef8..6aea13024ac1 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -208,10 +208,10 @@ static inline pgoff_t current_nat_addr(struct f2fs_sb_info *sbi, nid_t start)

block_addr = (pgoff_t)(nm_i->nat_blkaddr +
(block_off << 1) -
- (block_off & (sbi->blocks_per_seg - 1)));
+ (block_off & (BLKS_PER_SEG(sbi) - 1)));

if (f2fs_test_bit(block_off, nm_i->nat_bitmap))
- block_addr += sbi->blocks_per_seg;
+ block_addr += BLKS_PER_SEG(sbi);

return block_addr;
}
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index aad1d1a9b3d6..b3baec666afe 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -354,7 +354,7 @@ static unsigned int adjust_por_ra_blocks(struct f2fs_sb_info *sbi,
if (blkaddr + 1 == next_blkaddr)
ra_blocks = min_t(unsigned int, RECOVERY_MAX_RA_BLOCKS,
ra_blocks * 2);
- else if (next_blkaddr % sbi->blocks_per_seg)
+ else if (next_blkaddr % BLKS_PER_SEG(sbi))
ra_blocks = max_t(unsigned int, RECOVERY_MIN_RA_BLOCKS,
ra_blocks / 2);
return ra_blocks;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e5759813276a..8d330664b925 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -448,8 +448,8 @@ static inline bool excess_dirty_threshold(struct f2fs_sb_info *sbi)
unsigned int nodes = get_pages(sbi, F2FS_DIRTY_NODES);
unsigned int meta = get_pages(sbi, F2FS_DIRTY_META);
unsigned int imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
- unsigned int threshold = sbi->blocks_per_seg * factor *
- DEFAULT_DIRTY_THRESHOLD;
+ unsigned int threshold = (factor * DEFAULT_DIRTY_THRESHOLD) <<
+ sbi->log_blocks_per_seg;
unsigned int global_threshold = threshold * 3 / 2;

if (dents >= threshold || qdata >= threshold ||
@@ -1134,8 +1134,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
struct seg_entry *sentry;
unsigned int segno;
block_t blk = start;
- unsigned long offset, size, max_blocks = sbi->blocks_per_seg;
- unsigned long *map;
+ unsigned long offset, size, *map;

while (blk < end) {
segno = GET_SEGNO(sbi, blk);
@@ -1145,7 +1144,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
if (end < START_BLOCK(sbi, segno + 1))
size = GET_BLKOFF_FROM_SEG0(sbi, end);
else
- size = max_blocks;
+ size = BLKS_PER_SEG(sbi);
map = (unsigned long *)(sentry->cur_valid_map);
offset = __find_rev_next_bit(map, size, offset);
f2fs_bug_on(sbi, offset != size);
@@ -2044,7 +2043,6 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
bool check_only)
{
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
- int max_blocks = sbi->blocks_per_seg;
struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);
unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
@@ -2056,8 +2054,9 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
struct list_head *head = &SM_I(sbi)->dcc_info->entry_list;
int i;

- if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||
- !f2fs_block_unit_discard(sbi))
+ if (se->valid_blocks == BLKS_PER_SEG(sbi) ||
+ !f2fs_hw_support_discard(sbi) ||
+ !f2fs_block_unit_discard(sbi))
return false;

if (!force) {
@@ -2074,13 +2073,14 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,

while (force || SM_I(sbi)->dcc_info->nr_discards <=
SM_I(sbi)->dcc_info->max_discards) {
- start = __find_rev_next_bit(dmap, max_blocks, end + 1);
- if (start >= max_blocks)
+ start = __find_rev_next_bit(dmap, BLKS_PER_SEG(sbi), end + 1);
+ if (start >= BLKS_PER_SEG(sbi))
break;

- end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
- if (force && start && end != max_blocks
- && (end - start) < cpc->trim_minlen)
+ end = __find_rev_next_zero_bit(dmap,
+ BLKS_PER_SEG(sbi), start + 1);
+ if (force && start && end != BLKS_PER_SEG(sbi) &&
+ (end - start) < cpc->trim_minlen)
continue;

if (check_only)
@@ -2162,8 +2162,8 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
start + 1);

if (section_alignment) {
- start = rounddown(start, sbi->segs_per_sec);
- end = roundup(end, sbi->segs_per_sec);
+ start = rounddown(start, SEGS_PER_SEC(sbi));
+ end = roundup(end, SEGS_PER_SEC(sbi));
}

for (i = start; i < end; i++) {
@@ -2191,9 +2191,9 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
if (!IS_CURSEC(sbi, secno) &&
!get_valid_blocks(sbi, start, true))
f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
- sbi->segs_per_sec << sbi->log_blocks_per_seg);
+ BLKS_PER_SEC(sbi));

- start = start_segno + sbi->segs_per_sec;
+ start = start_segno + SEGS_PER_SEC(sbi);
if (start < end)
goto next;
else
@@ -2212,7 +2212,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
find_next:
if (is_valid) {
next_pos = find_next_zero_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
len = next_pos - cur_pos;

if (f2fs_sb_has_blkzoned(sbi) ||
@@ -2224,13 +2224,13 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
total_len += len;
} else {
next_pos = find_next_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
}
skip:
cur_pos = next_pos;
is_valid = !is_valid;

- if (cur_pos < sbi->blocks_per_seg)
+ if (cur_pos < BLKS_PER_SEG(sbi))
goto find_next;

release_discard_addr(entry);
@@ -2279,7 +2279,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
dcc->max_ordered_discard = DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY;
dcc->discard_io_aware = DPOLICY_IO_AWARE_ENABLE;
if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
- dcc->discard_granularity = sbi->blocks_per_seg;
+ dcc->discard_granularity = BLKS_PER_SEG(sbi);
else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
dcc->discard_granularity = BLKS_PER_SEC(sbi);

@@ -2542,7 +2542,7 @@ static unsigned short f2fs_curseg_valid_blocks(struct f2fs_sb_info *sbi, int typ
struct curseg_info *curseg = CURSEG_I(sbi, type);

if (sbi->ckpt->alloc_type[type] == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
return curseg->next_blkoff;
}

@@ -2630,7 +2630,7 @@ static int is_next_segment_free(struct f2fs_sb_info *sbi,
unsigned int segno = curseg->segno + 1;
struct free_segmap_info *free_i = FREE_I(sbi);

- if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)
+ if (segno < MAIN_SEGS(sbi) && segno % SEGS_PER_SEC(sbi))
return !test_bit(segno, free_i->free_segmap);
return 0;
}
@@ -2654,7 +2654,7 @@ static void get_new_segment(struct f2fs_sb_info *sbi,

spin_lock(&free_i->segmap_lock);

- if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
+ if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) {
segno = find_next_zero_bit(free_i->free_segmap,
GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
if (segno < GET_SEG_FROM_SEC(sbi, hint + 1))
@@ -2757,7 +2757,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)

sanity_check_seg_type(sbi, seg_type);
if (f2fs_need_rand_seg(sbi))
- return get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ return get_random_u32_below(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));

/* if segs_per_sec is large than 1, we need to keep original policy. */
if (__is_large_section(sbi))
@@ -2827,7 +2827,7 @@ static int __next_free_blkoff(struct f2fs_sb_info *sbi,
for (i = 0; i < entries; i++)
target_map[i] = ckpt_map[i] | cur_map[i];

- return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
+ return __find_rev_next_zero_bit(target_map, BLKS_PER_SEG(sbi), start);
}

static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
@@ -2838,7 +2838,7 @@ static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,

bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
{
- return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
+ return __next_free_blkoff(sbi, segno, 0) < BLKS_PER_SEG(sbi);
}

/*
@@ -3238,8 +3238,8 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 :
GET_SEGNO(sbi, end);
if (need_align) {
- start_segno = rounddown(start_segno, sbi->segs_per_sec);
- end_segno = roundup(end_segno + 1, sbi->segs_per_sec) - 1;
+ start_segno = rounddown(start_segno, SEGS_PER_SEC(sbi));
+ end_segno = roundup(end_segno + 1, SEGS_PER_SEC(sbi)) - 1;
}

cpc.reason = CP_DISCARD;
@@ -3437,7 +3437,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
}
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);

- f2fs_bug_on(sbi, curseg->next_blkoff >= sbi->blocks_per_seg);
+ f2fs_bug_on(sbi, curseg->next_blkoff >= BLKS_PER_SEG(sbi));

f2fs_wait_discard_bio(sbi, *new_blkaddr);

@@ -3881,7 +3881,7 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
seg_i->next_blkoff = blk_off;

if (seg_i->alloc_type == SSR)
- blk_off = sbi->blocks_per_seg;
+ blk_off = BLKS_PER_SEG(sbi);

for (j = 0; j < blk_off; j++) {
struct f2fs_summary *s;
@@ -3949,7 +3949,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
struct f2fs_summary *ns = &sum->entries[0];
int i;

- for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
+ for (i = 0; i < BLKS_PER_SEG(sbi); i++, ns++) {
ns->version = 0;
ns->ofs_in_node = 0;
}
@@ -4582,21 +4582,20 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)

sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;

- if (f2fs_block_unit_discard(sbi)) {
- /* build discard map only one time */
- if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
- memset(se->discard_map, 0xff,
+ if (!f2fs_block_unit_discard(sbi))
+ goto init_discard_map_done;
+
+ /* build discard map only one time */
+ if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+ memset(se->discard_map, 0xff,
SIT_VBLOCK_MAP_SIZE);
- } else {
- memcpy(se->discard_map,
- se->cur_valid_map,
+ goto init_discard_map_done;
+ }
+ memcpy(se->discard_map, se->cur_valid_map,
SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks +=
- sbi->blocks_per_seg -
+ sbi->discard_blks += BLKS_PER_SEG(sbi) -
se->valid_blocks;
- }
- }
-
+init_discard_map_done:
if (__is_large_section(sbi))
get_sec_entry(sbi, start)->valid_blocks +=
se->valid_blocks;
@@ -4736,7 +4735,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
return;

mutex_lock(&dirty_i->seglist_lock);
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
valid_blocks = get_valid_blocks(sbi, segno, true);
secno = GET_SEC_FROM_SEG(sbi, segno);

@@ -4835,7 +4834,7 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
if (curseg->alloc_type == SSR)
continue;

- for (blkofs += 1; blkofs < sbi->blocks_per_seg; blkofs++) {
+ for (blkofs += 1; blkofs < BLKS_PER_SEG(sbi); blkofs++) {
if (!f2fs_test_bit(blkofs, se->cur_valid_map))
continue;
out:
@@ -5114,7 +5113,7 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
unsigned int secno;

if (!sbi->unusable_blocks_per_sec)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);

secno = GET_SEC_FROM_SEG(sbi, segno);
seg_start = START_BLOCK(sbi, segno);
@@ -5129,10 +5128,10 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
*/
if (seg_start >= sec_cap_blkaddr)
return 0;
- if (seg_start + sbi->blocks_per_seg > sec_cap_blkaddr)
+ if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
return sec_cap_blkaddr - seg_start;

- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
@@ -5158,7 +5157,7 @@ unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return f2fs_usable_zone_blks_in_seg(sbi, segno);

- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}

unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
@@ -5167,7 +5166,7 @@ unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return CAP_SEGS_PER_SEC(sbi);

- return sbi->segs_per_sec;
+ return SEGS_PER_SEC(sbi);
}

/*
@@ -5182,14 +5181,14 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)

sit_i->min_mtime = ULLONG_MAX;

- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
unsigned int i;
unsigned long long mtime = 0;

- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, segno + i)->mtime;

- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));

if (sit_i->min_mtime > mtime)
sit_i->min_mtime = mtime;
@@ -5228,7 +5227,7 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->ipu_policy = BIT(F2FS_IPU_FSYNC);
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
- sm_info->min_seq_blocks = sbi->blocks_per_seg;
+ sm_info->min_seq_blocks = BLKS_PER_SEG(sbi);
sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
sm_info->min_ssr_sections = reserved_sections(sbi);

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 8129be788bd5..96cec83012f1 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -99,8 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
((!__is_valid_data_blkaddr(blk_addr)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define BLKS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
#define CAP_BLKS_PER_SEC(sbi) \
((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
(sbi)->unusable_blocks_per_sec)
@@ -364,7 +362,7 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
unsigned int blocks = 0;
int i;

- for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++, start_segno++) {
struct seg_entry *se = get_seg_entry(sbi, start_segno);

blocks += se->ckpt_valid_blocks;
@@ -449,7 +447,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
free_i->free_segments++;

next = find_next_bit(free_i->free_segmap,
- start_segno + sbi->segs_per_sec, start_segno);
+ start_segno + SEGS_PER_SEC(sbi), start_segno);
if (next >= start_segno + usable_segs) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
@@ -485,7 +483,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
if (!inmem && IS_CURSEC(sbi, secno))
goto skip_free;
next = find_next_bit(free_i->free_segmap,
- start_segno + sbi->segs_per_sec, start_segno);
+ start_segno + SEGS_PER_SEC(sbi), start_segno);
if (next >= start_segno + usable_segs) {
if (test_and_clear_bit(secno, free_i->free_secmap))
free_i->free_sections++;
@@ -793,10 +791,10 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
return -EFSCORRUPTED;
}

- if (usable_blks_per_seg < sbi->blocks_per_seg)
+ if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
- sbi->blocks_per_seg,
- usable_blks_per_seg) != sbi->blocks_per_seg);
+ BLKS_PER_SEG(sbi),
+ usable_blks_per_seg) != BLKS_PER_SEG(sbi));

/* check segment usage, and check boundary of a given segment number */
if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
@@ -915,9 +913,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
return 0;

if (type == DATA)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
else if (type == NODE)
- return 8 * sbi->blocks_per_seg;
+ return 8 * BLKS_PER_SEG(sbi);
else if (type == META)
return 8 * BIO_MAX_VECS;
else
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f1516fd5088a..c0688c124aa7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3643,7 +3643,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
}

main_segs = le32_to_cpu(raw_super->segment_count_main);
- blocks_per_seg = sbi->blocks_per_seg;
+ blocks_per_seg = BLKS_PER_SEG(sbi);

for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
@@ -3756,8 +3756,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);
sbi->total_sections = le32_to_cpu(raw_super->section_count);
sbi->total_node_count =
- (le32_to_cpu(raw_super->segment_count_nat) / 2)
- * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
+ ((le32_to_cpu(raw_super->segment_count_nat) / 2) *
+ NAT_ENTRY_PER_BLOCK) << sbi->log_blocks_per_seg;
F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
@@ -3766,7 +3766,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
- sbi->migration_granularity = sbi->segs_per_sec;
+ sbi->migration_granularity = SEGS_PER_SEC(sbi);
sbi->seq_file_ra_mul = MIN_RA_MUL;
sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index a7ec55c7bb20..906d2af2d849 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -493,8 +493,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
spin_lock(&sbi->stat_lock);
if (t > (unsigned long)(sbi->user_block_count -
F2FS_OPTION(sbi).root_reserved_blocks -
- sbi->blocks_per_seg *
- SM_I(sbi)->additional_reserved_segments)) {
+ (SM_I(sbi)->additional_reserved_segments <<
+ sbi->log_blocks_per_seg))) {
spin_unlock(&sbi->stat_lock);
return -EINVAL;
}
@@ -551,7 +551,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
}

if (!strcmp(a->attr.name, "migration_granularity")) {
- if (t == 0 || t > sbi->segs_per_sec)
+ if (t == 0 || t > SEGS_PER_SEC(sbi))
return -EINVAL;
}

--
2.43.0.594.gd9cf4e227d-goog

2024-02-07 00:51:49

by Jaegeuk Kim

Subject: [PATCH 3/3] f2fs: kill zone-capacity support

Since we don't see any user, let's kill.

Signed-off-by: Jaegeuk Kim <[email protected]>
---
Documentation/ABI/testing/sysfs-fs-f2fs | 6 --
fs/f2fs/debug.c | 7 +-
fs/f2fs/f2fs.h | 5 --
fs/f2fs/file.c | 6 +-
fs/f2fs/gc.c | 33 +++------
fs/f2fs/gc.h | 26 -------
fs/f2fs/segment.c | 93 +++----------------------
fs/f2fs/segment.h | 41 ++++-------
fs/f2fs/super.c | 16 +----
fs/f2fs/sysfs.c | 6 --
10 files changed, 43 insertions(+), 196 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 48c135e24eb5..dff8c87d87dd 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -628,12 +628,6 @@ Contact: "Jaegeuk Kim" <[email protected]>
Description: Controls max # of node block writes to be used for roll forward
recovery. This can limit the roll forward recovery time.

-What: /sys/fs/f2fs/<disk>/unusable_blocks_per_sec
-Date: June 2022
-Contact: "Jaegeuk Kim" <[email protected]>
-Description: Shows the number of unusable blocks in a section which was defined by
- the zone capacity reported by underlying zoned device.
-
What: /sys/fs/f2fs/<disk>/current_atomic_write
Date: July 2022
Contact: "Daeho Jeong" <[email protected]>
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 0d02224b99b7..6617195bd27e 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -32,21 +32,20 @@ static struct dentry *f2fs_debugfs_root;
void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
{
struct f2fs_stat_info *si = F2FS_STAT(sbi);
- unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
+ unsigned long long hblks_per_sec, total_vblocks;
unsigned long long bimodal, dist;
unsigned int segno, vblocks;
int ndirty = 0;

bimodal = 0;
total_vblocks = 0;
- blks_per_sec = CAP_BLKS_PER_SEC(sbi);
- hblks_per_sec = blks_per_sec / 2;
+ hblks_per_sec = BLKS_PER_SEC(sbi) / 2;
for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;

- if (vblocks > 0 && vblocks < blks_per_sec) {
+ if (vblocks > 0 && vblocks < BLKS_PER_SEC(sbi)) {
total_vblocks += vblocks;
ndirty++;
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9a9e858083af..34d718301392 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1618,7 +1618,6 @@ struct f2fs_sb_info {
unsigned int meta_ino_num; /* meta inode number*/
unsigned int log_blocks_per_seg; /* log2 blocks per segment */
unsigned int blocks_per_seg; /* blocks per segment */
- unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
unsigned int segs_per_sec; /* segments per section */
unsigned int secs_per_zone; /* sections per zone */
unsigned int total_sections; /* total section count */
@@ -3743,10 +3742,6 @@ void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
int __init f2fs_create_segment_manager_caches(void);
void f2fs_destroy_segment_manager_caches(void);
int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
-unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
- unsigned int segno);
-unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
- unsigned int segno);

#define DEF_FRAGMENT_SIZE 4
#define MIN_FRAGMENT_SIZE 1
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b0be576b2090..2c13b340c8a0 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1717,7 +1717,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
return 0;

if (f2fs_is_pinned_file(inode)) {
- block_t sec_blks = CAP_BLKS_PER_SEC(sbi);
+ block_t sec_blks = BLKS_PER_SEC(sbi);
block_t sec_len = roundup(map.m_len, sec_blks);

map.m_len = sec_blks;
@@ -2525,7 +2525,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)
ret = -EAGAIN;
goto out;
}
- range->start += CAP_BLKS_PER_SEC(sbi);
+ range->start += BLKS_PER_SEC(sbi);
if (range->start <= end)
goto do_more;
out:
@@ -2654,7 +2654,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
goto out;
}

- sec_num = DIV_ROUND_UP(total, CAP_BLKS_PER_SEC(sbi));
+ sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));

/*
* make sure there are enough free section for LFS allocation, this can
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index d61a60c1c844..0a1a50b68df8 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -340,14 +340,13 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
unsigned char age = 0;
unsigned char u;
unsigned int i;
- unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi, segno);

- for (i = 0; i < usable_segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, start + i)->mtime;
vblocks = get_valid_blocks(sbi, segno, true);

- mtime = div_u64(mtime, usable_segs_per_sec);
- vblocks = div_u64(vblocks, usable_segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
+ vblocks = div_u64(vblocks, SEGS_PER_SEC(sbi));

u = (vblocks * 100) >> sbi->log_blocks_per_seg;

@@ -530,7 +529,6 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
unsigned long long age, u, accu;
unsigned long long max_mtime = sit_i->dirty_max_mtime;
unsigned long long min_mtime = sit_i->dirty_min_mtime;
- unsigned int sec_blocks = CAP_BLKS_PER_SEC(sbi);
unsigned int vblocks;
unsigned int dirty_threshold = max(am->max_candidate_count,
am->candidate_ratio *
@@ -560,13 +558,13 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,

/* age = 10000 * x% * 60 */
age = div64_u64(accu * (max_mtime - ve->mtime), total_time) *
- age_weight;
+ age_weight;

vblocks = get_valid_blocks(sbi, ve->segno, true);
- f2fs_bug_on(sbi, !vblocks || vblocks == sec_blocks);
+ f2fs_bug_on(sbi, !vblocks || vblocks == BLKS_PER_SEC(sbi));

/* u = 10000 * x% * 40 */
- u = div64_u64(accu * (sec_blocks - vblocks), sec_blocks) *
+ u = div64_u64(accu * (BLKS_PER_SEC(sbi) - vblocks), BLKS_PER_SEC(sbi)) *
(100 - age_weight);

f2fs_bug_on(sbi, age + u >= UINT_MAX);
@@ -1003,7 +1001,6 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
int phase = 0;
bool fggc = (gc_type == FG_GC);
int submitted = 0;
- unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);

start_addr = START_BLOCK(sbi, segno);

@@ -1013,7 +1010,7 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
if (fggc && phase == 2)
atomic_inc(&sbi->wb_sync_req[NODE]);

- for (off = 0; off < usable_blks_in_seg; off++, entry++) {
+ for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
nid_t nid = le32_to_cpu(entry->nid);
struct page *node_page;
struct node_info ni;
@@ -1498,14 +1495,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
int off;
int phase = 0;
int submitted = 0;
- unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);

start_addr = START_BLOCK(sbi, segno);

next_step:
entry = sum;

- for (off = 0; off < usable_blks_in_seg; off++, entry++) {
+ for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
struct page *data_page;
struct inode *inode;
struct node_info dni; /* dnode info for the data */
@@ -1520,7 +1516,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
*/
if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
(!force_migrate && get_valid_blocks(sbi, segno, true) ==
- CAP_BLKS_PER_SEC(sbi)))
+ BLKS_PER_SEC(sbi)))
return submitted;

if (check_valid_map(sbi, segno, off) == 0)
@@ -1680,15 +1676,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
if (__is_large_section(sbi))
end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));

- /*
- * zone-capacity can be less than zone-size in zoned devices,
- * resulting in less than expected usable segments in the zone,
- * calculate the end segno in the zone which can be garbage collected
- */
- if (f2fs_sb_has_blkzoned(sbi))
- end_segno -= SEGS_PER_SEC(sbi) -
- f2fs_usable_segs_in_sec(sbi, segno);
-
sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);

/* readahead multi ssa blocks those have contiguous address */
@@ -1862,7 +1849,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)

total_freed += seg_freed;

- if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) {
+ if (seg_freed == SEGS_PER_SEC(sbi)) {
sec_freed++;
total_sec_freed++;
}
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 28a00942802c..e4a75aa4160f 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -68,34 +68,8 @@ struct victim_entry {
* inline functions
*/

-/*
- * On a Zoned device zone-capacity can be less than zone-size and if
- * zone-capacity is not aligned to f2fs segment size(2MB), then the segment
- * starting just before zone-capacity has some blocks spanning across the
- * zone-capacity, these blocks are not usable.
- * Such spanning segments can be in free list so calculate the sum of usable
- * blocks in currently free segments including normal and spanning segments.
- */
-static inline block_t free_segs_blk_count_zoned(struct f2fs_sb_info *sbi)
-{
- block_t free_seg_blks = 0;
- struct free_segmap_info *free_i = FREE_I(sbi);
- int j;
-
- spin_lock(&free_i->segmap_lock);
- for (j = 0; j < MAIN_SEGS(sbi); j++)
- if (!test_bit(j, free_i->free_segmap))
- free_seg_blks += f2fs_usable_blks_in_seg(sbi, j);
- spin_unlock(&free_i->segmap_lock);
-
- return free_seg_blks;
-}
-
static inline block_t free_segs_blk_count(struct f2fs_sb_info *sbi)
{
- if (f2fs_sb_has_blkzoned(sbi))
- return free_segs_blk_count_zoned(sbi);
-
return free_segments(sbi) << sbi->log_blocks_per_seg;
}

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 8d330664b925..1013276ad12a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -769,7 +769,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
get_valid_blocks(sbi, segno, true);

f2fs_bug_on(sbi, unlikely(!valid_blocks ||
- valid_blocks == CAP_BLKS_PER_SEC(sbi)));
+ valid_blocks == BLKS_PER_SEC(sbi)));

if (!IS_CURSEC(sbi, secno))
set_bit(secno, dirty_i->dirty_secmap);
@@ -805,7 +805,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);

if (!valid_blocks ||
- valid_blocks == CAP_BLKS_PER_SEC(sbi)) {
+ valid_blocks == BLKS_PER_SEC(sbi)) {
clear_bit(secno, dirty_i->dirty_secmap);
return;
}
@@ -825,22 +825,20 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
unsigned short valid_blocks, ckpt_valid_blocks;
- unsigned int usable_blocks;

if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
return;

- usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
mutex_lock(&dirty_i->seglist_lock);

valid_blocks = get_valid_blocks(sbi, segno, false);
ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);

if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
- ckpt_valid_blocks == usable_blocks)) {
+ ckpt_valid_blocks == BLKS_PER_SEG(sbi))) {
__locate_dirty_segment(sbi, segno, PRE);
__remove_dirty_segment(sbi, segno, DIRTY);
- } else if (valid_blocks < usable_blocks) {
+ } else if (valid_blocks < BLKS_PER_SEG(sbi)) {
__locate_dirty_segment(sbi, segno, DIRTY);
} else {
/* Recovery routine with SSR needs this */
@@ -882,12 +880,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
mutex_lock(&dirty_i->seglist_lock);
for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
se = get_seg_entry(sbi, segno);
- if (IS_NODESEG(se->type))
- holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
- se->valid_blocks;
- else
- holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
- se->valid_blocks;
+ holes[SE_PAGETYPE(se)] += BLKS_PER_SEG(sbi) - se->valid_blocks;
}
mutex_unlock(&dirty_i->seglist_lock);

@@ -2406,8 +2399,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
new_vblocks = se->valid_blocks + del;
offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);

- f2fs_bug_on(sbi, (new_vblocks < 0 ||
- (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
+ f2fs_bug_on(sbi, new_vblocks < 0 || new_vblocks > BLKS_PER_SEG(sbi));

se->valid_blocks = new_vblocks;

@@ -3449,7 +3441,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
f2fs_randomize_chunk(sbi, curseg);
}
- if (curseg->next_blkoff >= f2fs_usable_blks_in_seg(sbi, curseg->segno))
+ if (curseg->next_blkoff >= BLKS_PER_SEG(sbi))
segment_full = true;
stat_inc_block_count(sbi, curseg);

@@ -4687,8 +4679,6 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
struct seg_entry *sentry;

for (start = 0; start < MAIN_SEGS(sbi); start++) {
- if (f2fs_usable_blks_in_seg(sbi, start) == 0)
- continue;
sentry = get_seg_entry(sbi, start);
if (!sentry->valid_blocks)
__set_free(sbi, start);
@@ -4710,7 +4700,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
struct free_segmap_info *free_i = FREE_I(sbi);
unsigned int segno = 0, offset = 0, secno;
- block_t valid_blocks, usable_blks_in_seg;
+ block_t valid_blocks;

while (1) {
/* find dirty segment based on free segmap */
@@ -4719,10 +4709,9 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
break;
offset = segno + 1;
valid_blocks = get_valid_blocks(sbi, segno, false);
- usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
- if (valid_blocks == usable_blks_in_seg || !valid_blocks)
+ if (valid_blocks == BLKS_PER_SEG(sbi) || !valid_blocks)
continue;
- if (valid_blocks > usable_blks_in_seg) {
+ if (valid_blocks > BLKS_PER_SEG(sbi)) {
f2fs_bug_on(sbi, 1);
continue;
}
@@ -4739,7 +4728,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
valid_blocks = get_valid_blocks(sbi, segno, true);
secno = GET_SEC_FROM_SEG(sbi, segno);

- if (!valid_blocks || valid_blocks == CAP_BLKS_PER_SEC(sbi))
+ if (!valid_blocks || valid_blocks == BLKS_PER_SEC(sbi))
continue;
if (IS_CURSEC(sbi, secno))
continue;
@@ -5097,42 +5086,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)

return 0;
}
-
-/*
- * Return the number of usable blocks in a segment. The number of blocks
- * returned is always equal to the number of blocks in a segment for
- * segments fully contained within a sequential zone capacity or a
- * conventional zone. For segments partially contained in a sequential
- * zone capacity, the number of usable blocks up to the zone capacity
- * is returned. 0 is returned in all other cases.
- */
-static inline unsigned int f2fs_usable_zone_blks_in_seg(
- struct f2fs_sb_info *sbi, unsigned int segno)
-{
- block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
- unsigned int secno;
-
- if (!sbi->unusable_blocks_per_sec)
- return BLKS_PER_SEG(sbi);
-
- secno = GET_SEC_FROM_SEG(sbi, segno);
- seg_start = START_BLOCK(sbi, segno);
- sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
- sec_cap_blkaddr = sec_start_blkaddr + CAP_BLKS_PER_SEC(sbi);
-
- /*
- * If segment starts before zone capacity and spans beyond
- * zone capacity, then usable blocks are from seg start to
- * zone capacity. If the segment starts after the zone capacity,
- * then there are no usable blocks.
- */
- if (seg_start >= sec_cap_blkaddr)
- return 0;
- if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
- return sec_cap_blkaddr - seg_start;
-
- return BLKS_PER_SEG(sbi);
-}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
{
@@ -5143,31 +5096,7 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
{
return 0;
}
-
-static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
- unsigned int segno)
-{
- return 0;
-}
-
#endif
-unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
- unsigned int segno)
-{
- if (f2fs_sb_has_blkzoned(sbi))
- return f2fs_usable_zone_blks_in_seg(sbi, segno);
-
- return BLKS_PER_SEG(sbi);
-}
-
-unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
- unsigned int segno)
-{
- if (f2fs_sb_has_blkzoned(sbi))
- return CAP_SEGS_PER_SEC(sbi);
-
- return SEGS_PER_SEC(sbi);
-}

/*
* Update min, max modified time for cost-benefit GC algorithm
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 96cec83012f1..b725ae1a7043 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -99,12 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
((!__is_valid_data_blkaddr(blk_addr)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define CAP_BLKS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
- (sbi)->unusable_blocks_per_sec)
-#define CAP_SEGS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
- (sbi)->log_blocks_per_seg))
#define GET_SEC_FROM_SEG(sbi, segno) \
(((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
#define GET_SEG_FROM_SEC(sbi, secno) \
@@ -440,7 +434,6 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
- unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);

spin_lock(&free_i->segmap_lock);
clear_bit(segno, free_i->free_segmap);
@@ -448,7 +441,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)

next = find_next_bit(free_i->free_segmap,
start_segno + SEGS_PER_SEC(sbi), start_segno);
- if (next >= start_segno + usable_segs) {
+ if (next >= start_segno + SEGS_PER_SEC(sbi)) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
}
@@ -474,7 +467,6 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
- unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);

spin_lock(&free_i->segmap_lock);
if (test_and_clear_bit(segno, free_i->free_segmap)) {
@@ -484,7 +476,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
goto skip_free;
next = find_next_bit(free_i->free_segmap,
start_segno + SEGS_PER_SEC(sbi), start_segno);
- if (next >= start_segno + usable_segs) {
+ if (next >= start_segno + SEGS_PER_SEC(sbi)) {
if (test_and_clear_bit(secno, free_i->free_secmap))
free_i->free_sections++;
}
@@ -577,16 +569,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
/* check current node segment */
for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
segno = CURSEG_I(sbi, i)->segno;
- left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
+ left_blocks = BLKS_PER_SEG(sbi) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
-
if (node_blocks > left_blocks)
return false;
}

/* check current data segment */
segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
- left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
+ left_blocks = BLKS_PER_SEG(sbi) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
if (dent_blocks > left_blocks)
return false;
@@ -604,10 +595,10 @@ static inline void __get_secs_required(struct f2fs_sb_info *sbi,
get_pages(sbi, F2FS_DIRTY_DENTS) +
get_pages(sbi, F2FS_DIRTY_IMETA);
unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
- unsigned int node_secs = total_node_blocks / CAP_BLKS_PER_SEC(sbi);
- unsigned int dent_secs = total_dent_blocks / CAP_BLKS_PER_SEC(sbi);
- unsigned int node_blocks = total_node_blocks % CAP_BLKS_PER_SEC(sbi);
- unsigned int dent_blocks = total_dent_blocks % CAP_BLKS_PER_SEC(sbi);
+ unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
+ unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
+ unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
+ unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);

if (lower_p)
*lower_p = node_secs + dent_secs;
@@ -766,22 +757,21 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
int valid_blocks = 0;
int cur_pos = 0, next_pos;
- unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);

/* check bitmap with valid block count */
do {
if (is_valid) {
next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
- usable_blks_per_seg,
+ BLKS_PER_SEG(sbi),
cur_pos);
valid_blocks += next_pos - cur_pos;
} else
next_pos = find_next_bit_le(&raw_sit->valid_map,
- usable_blks_per_seg,
+ BLKS_PER_SEG(sbi),
cur_pos);
cur_pos = next_pos;
is_valid = !is_valid;
- } while (cur_pos < usable_blks_per_seg);
+ } while (cur_pos < BLKS_PER_SEG(sbi));

if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
@@ -791,14 +781,9 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
return -EFSCORRUPTED;
}

- if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
- f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
- BLKS_PER_SEG(sbi),
- usable_blks_per_seg) != BLKS_PER_SEG(sbi));
-
/* check segment usage, and check boundary of a given segment number */
- if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
- || !valid_main_segno(sbi, segno))) {
+ if (unlikely(GET_SIT_VBLOCKS(raw_sit) > BLKS_PER_SEG(sbi) ||
+ !valid_main_segno(sbi, segno))) {
f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
GET_SIT_VBLOCKS(raw_sit), segno);
set_sbi_flag(sbi, SBI_NEED_FSCK);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index c0688c124aa7..e75b8651fe54 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3836,20 +3836,10 @@ struct f2fs_report_zones_args {
static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx,
void *data)
{
- struct f2fs_report_zones_args *rz_args = data;
- block_t unusable_blocks = (zone->len - zone->capacity) >>
- F2FS_LOG_SECTORS_PER_BLOCK;
+ if (zone->capacity) {
+ struct f2fs_report_zones_args *rz_args = data;

- if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
- return 0;
-
- set_bit(idx, rz_args->dev->blkz_seq);
- if (!rz_args->sbi->unusable_blocks_per_sec) {
- rz_args->sbi->unusable_blocks_per_sec = unusable_blocks;
- return 0;
- }
- if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) {
- f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n");
+ f2fs_err(rz_args->sbi, "F2FS does not support zone capacity.\n");
return -EINVAL;
}
return 0;
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 906d2af2d849..2689cc9c3bf8 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -1018,9 +1018,6 @@ F2FS_SBI_GENERAL_RW_ATTR(revoked_atomic_block);
F2FS_SBI_GENERAL_RW_ATTR(hot_data_age_threshold);
F2FS_SBI_GENERAL_RW_ATTR(warm_data_age_threshold);
F2FS_SBI_GENERAL_RW_ATTR(last_age_weight);
-#ifdef CONFIG_BLK_DEV_ZONED
-F2FS_SBI_GENERAL_RO_ATTR(unusable_blocks_per_sec);
-#endif

/* STAT_INFO ATTR */
#ifdef CONFIG_F2FS_STAT_FS
@@ -1172,9 +1169,6 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(moved_blocks_background),
ATTR_LIST(avg_vblocks),
#endif
-#ifdef CONFIG_BLK_DEV_ZONED
- ATTR_LIST(unusable_blocks_per_sec),
-#endif
#ifdef CONFIG_F2FS_FS_COMPRESSION
ATTR_LIST(compr_written_block),
ATTR_LIST(compr_saved_block),
--
2.43.0.594.gd9cf4e227d-goog

2024-02-07 03:10:08

by Jaegeuk Kim

Subject: Re: [PATCH 3/3] f2fs: kill zone-capacity support

On 02/06, Jaegeuk Kim wrote:
> Since we don't see any user, let's kill.
>
> Signed-off-by: Jaegeuk Kim <[email protected]>
> ---
> Documentation/ABI/testing/sysfs-fs-f2fs | 6 --
> fs/f2fs/debug.c | 7 +-
> fs/f2fs/f2fs.h | 5 --
> fs/f2fs/file.c | 6 +-
> fs/f2fs/gc.c | 33 +++------
> fs/f2fs/gc.h | 26 -------
> fs/f2fs/segment.c | 93 +++----------------------
> fs/f2fs/segment.h | 41 ++++-------
> fs/f2fs/super.c | 16 +----
> fs/f2fs/sysfs.c | 6 --
> 10 files changed, 43 insertions(+), 196 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
> index 48c135e24eb5..dff8c87d87dd 100644
> --- a/Documentation/ABI/testing/sysfs-fs-f2fs
> +++ b/Documentation/ABI/testing/sysfs-fs-f2fs
> @@ -628,12 +628,6 @@ Contact: "Jaegeuk Kim" <[email protected]>
> Description: Controls max # of node block writes to be used for roll forward
> recovery. This can limit the roll forward recovery time.
>
> -What: /sys/fs/f2fs/<disk>/unusable_blocks_per_sec
> -Date: June 2022
> -Contact: "Jaegeuk Kim" <[email protected]>
> -Description: Shows the number of unusable blocks in a section which was defined by
> - the zone capacity reported by underlying zoned device.
> -
> What: /sys/fs/f2fs/<disk>/current_atomic_write
> Date: July 2022
> Contact: "Daeho Jeong" <[email protected]>
> diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
> index 0d02224b99b7..6617195bd27e 100644
> --- a/fs/f2fs/debug.c
> +++ b/fs/f2fs/debug.c
> @@ -32,21 +32,20 @@ static struct dentry *f2fs_debugfs_root;
> void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
> {
> struct f2fs_stat_info *si = F2FS_STAT(sbi);
> - unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
> + unsigned long long hblks_per_sec, total_vblocks;
> unsigned long long bimodal, dist;
> unsigned int segno, vblocks;
> int ndirty = 0;
>
> bimodal = 0;
> total_vblocks = 0;
> - blks_per_sec = CAP_BLKS_PER_SEC(sbi);
> - hblks_per_sec = blks_per_sec / 2;
> + hblks_per_sec = BLKS_PER_SEC(sbi) / 2;
> for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> vblocks = get_valid_blocks(sbi, segno, true);
> dist = abs(vblocks - hblks_per_sec);
> bimodal += dist * dist;
>
> - if (vblocks > 0 && vblocks < blks_per_sec) {
> + if (vblocks > 0 && vblocks < BLKS_PER_SEC(sbi)) {
> total_vblocks += vblocks;
> ndirty++;
> }
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 9a9e858083af..34d718301392 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -1618,7 +1618,6 @@ struct f2fs_sb_info {
> unsigned int meta_ino_num; /* meta inode number*/
> unsigned int log_blocks_per_seg; /* log2 blocks per segment */
> unsigned int blocks_per_seg; /* blocks per segment */
> - unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
> unsigned int segs_per_sec; /* segments per section */
> unsigned int secs_per_zone; /* sections per zone */
> unsigned int total_sections; /* total section count */
> @@ -3743,10 +3742,6 @@ void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
> int __init f2fs_create_segment_manager_caches(void);
> void f2fs_destroy_segment_manager_caches(void);
> int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
> -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> - unsigned int segno);
> -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno);
>
> #define DEF_FRAGMENT_SIZE 4
> #define MIN_FRAGMENT_SIZE 1
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index b0be576b2090..2c13b340c8a0 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -1717,7 +1717,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
> return 0;
>
> if (f2fs_is_pinned_file(inode)) {
> - block_t sec_blks = CAP_BLKS_PER_SEC(sbi);
> + block_t sec_blks = BLKS_PER_SEC(sbi);
> block_t sec_len = roundup(map.m_len, sec_blks);
>
> map.m_len = sec_blks;
> @@ -2525,7 +2525,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)
> ret = -EAGAIN;
> goto out;
> }
> - range->start += CAP_BLKS_PER_SEC(sbi);
> + range->start += BLKS_PER_SEC(sbi);
> if (range->start <= end)
> goto do_more;
> out:
> @@ -2654,7 +2654,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
> goto out;
> }
>
> - sec_num = DIV_ROUND_UP(total, CAP_BLKS_PER_SEC(sbi));
> + sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));
>
> /*
> * make sure there are enough free section for LFS allocation, this can
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index d61a60c1c844..0a1a50b68df8 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -340,14 +340,13 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
> unsigned char age = 0;
> unsigned char u;
> unsigned int i;
> - unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi, segno);
>
> - for (i = 0; i < usable_segs_per_sec; i++)
> + for (i = 0; i < SEGS_PER_SEC(sbi); i++)
> mtime += get_seg_entry(sbi, start + i)->mtime;
> vblocks = get_valid_blocks(sbi, segno, true);
>
> - mtime = div_u64(mtime, usable_segs_per_sec);
> - vblocks = div_u64(vblocks, usable_segs_per_sec);
> + mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
> + vblocks = div_u64(vblocks, SEGS_PER_SEC(sbi));
>
> u = (vblocks * 100) >> sbi->log_blocks_per_seg;
>
> @@ -530,7 +529,6 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
> unsigned long long age, u, accu;
> unsigned long long max_mtime = sit_i->dirty_max_mtime;
> unsigned long long min_mtime = sit_i->dirty_min_mtime;
> - unsigned int sec_blocks = CAP_BLKS_PER_SEC(sbi);
> unsigned int vblocks;
> unsigned int dirty_threshold = max(am->max_candidate_count,
> am->candidate_ratio *
> @@ -560,13 +558,13 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
>
> /* age = 10000 * x% * 60 */
> age = div64_u64(accu * (max_mtime - ve->mtime), total_time) *
> - age_weight;
> + age_weight;
>
> vblocks = get_valid_blocks(sbi, ve->segno, true);
> - f2fs_bug_on(sbi, !vblocks || vblocks == sec_blocks);
> + f2fs_bug_on(sbi, !vblocks || vblocks == BLKS_PER_SEC(sbi));
>
> /* u = 10000 * x% * 40 */
> - u = div64_u64(accu * (sec_blocks - vblocks), sec_blocks) *
> + u = div64_u64(accu * (BLKS_PER_SEC(sbi) - vblocks), BLKS_PER_SEC(sbi)) *
> (100 - age_weight);
>
> f2fs_bug_on(sbi, age + u >= UINT_MAX);
> @@ -1003,7 +1001,6 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> int phase = 0;
> bool fggc = (gc_type == FG_GC);
> int submitted = 0;
> - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> start_addr = START_BLOCK(sbi, segno);
>
> @@ -1013,7 +1010,7 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> if (fggc && phase == 2)
> atomic_inc(&sbi->wb_sync_req[NODE]);
>
> - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> nid_t nid = le32_to_cpu(entry->nid);
> struct page *node_page;
> struct node_info ni;
> @@ -1498,14 +1495,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> int off;
> int phase = 0;
> int submitted = 0;
> - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> start_addr = START_BLOCK(sbi, segno);
>
> next_step:
> entry = sum;
>
> - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> struct page *data_page;
> struct inode *inode;
> struct node_info dni; /* dnode info for the data */
> @@ -1520,7 +1516,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> */
> if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
> (!force_migrate && get_valid_blocks(sbi, segno, true) ==
> - CAP_BLKS_PER_SEC(sbi)))
> + BLKS_PER_SEC(sbi)))
> return submitted;
>
> if (check_valid_map(sbi, segno, off) == 0)
> @@ -1680,15 +1676,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> if (__is_large_section(sbi))
> end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));
>
> - /*
> - * zone-capacity can be less than zone-size in zoned devices,
> - * resulting in less than expected usable segments in the zone,
> - * calculate the end segno in the zone which can be garbage collected
> - */
> - if (f2fs_sb_has_blkzoned(sbi))
> - end_segno -= SEGS_PER_SEC(sbi) -
> - f2fs_usable_segs_in_sec(sbi, segno);
> -
> sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
>
> /* readahead multi ssa blocks those have contiguous address */
> @@ -1862,7 +1849,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
>
> total_freed += seg_freed;
>
> - if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) {
> + if (seg_freed == SEGS_PER_SEC(sbi)) {
> sec_freed++;
> total_sec_freed++;
> }
> diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
> index 28a00942802c..e4a75aa4160f 100644
> --- a/fs/f2fs/gc.h
> +++ b/fs/f2fs/gc.h
> @@ -68,34 +68,8 @@ struct victim_entry {
> * inline functions
> */
>
> -/*
> - * On a Zoned device zone-capacity can be less than zone-size and if
> - * zone-capacity is not aligned to f2fs segment size(2MB), then the segment
> - * starting just before zone-capacity has some blocks spanning across the
> - * zone-capacity, these blocks are not usable.
> - * Such spanning segments can be in free list so calculate the sum of usable
> - * blocks in currently free segments including normal and spanning segments.
> - */
> -static inline block_t free_segs_blk_count_zoned(struct f2fs_sb_info *sbi)
> -{
> - block_t free_seg_blks = 0;
> - struct free_segmap_info *free_i = FREE_I(sbi);
> - int j;
> -
> - spin_lock(&free_i->segmap_lock);
> - for (j = 0; j < MAIN_SEGS(sbi); j++)
> - if (!test_bit(j, free_i->free_segmap))
> - free_seg_blks += f2fs_usable_blks_in_seg(sbi, j);
> - spin_unlock(&free_i->segmap_lock);
> -
> - return free_seg_blks;
> -}
> -
> static inline block_t free_segs_blk_count(struct f2fs_sb_info *sbi)
> {
> - if (f2fs_sb_has_blkzoned(sbi))
> - return free_segs_blk_count_zoned(sbi);
> -
> return free_segments(sbi) << sbi->log_blocks_per_seg;
> }
>
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 8d330664b925..1013276ad12a 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -769,7 +769,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> get_valid_blocks(sbi, segno, true);
>
> f2fs_bug_on(sbi, unlikely(!valid_blocks ||
> - valid_blocks == CAP_BLKS_PER_SEC(sbi)));
> + valid_blocks == BLKS_PER_SEC(sbi)));
>
> if (!IS_CURSEC(sbi, secno))
> set_bit(secno, dirty_i->dirty_secmap);
> @@ -805,7 +805,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
>
> if (!valid_blocks ||
> - valid_blocks == CAP_BLKS_PER_SEC(sbi)) {
> + valid_blocks == BLKS_PER_SEC(sbi)) {
> clear_bit(secno, dirty_i->dirty_secmap);
> return;
> }
> @@ -825,22 +825,20 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
> {
> struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> unsigned short valid_blocks, ckpt_valid_blocks;
> - unsigned int usable_blocks;
>
> if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
> return;
>
> - usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
> mutex_lock(&dirty_i->seglist_lock);
>
> valid_blocks = get_valid_blocks(sbi, segno, false);
> ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);
>
> if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
> - ckpt_valid_blocks == usable_blocks)) {
> + ckpt_valid_blocks == BLKS_PER_SEG(sbi))) {
> __locate_dirty_segment(sbi, segno, PRE);
> __remove_dirty_segment(sbi, segno, DIRTY);
> - } else if (valid_blocks < usable_blocks) {
> + } else if (valid_blocks < BLKS_PER_SEG(sbi)) {
> __locate_dirty_segment(sbi, segno, DIRTY);
> } else {
> /* Recovery routine with SSR needs this */
> @@ -882,12 +880,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
> mutex_lock(&dirty_i->seglist_lock);
> for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
> se = get_seg_entry(sbi, segno);
> - if (IS_NODESEG(se->type))
> - holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
> - se->valid_blocks;
> - else
> - holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
> - se->valid_blocks;
> + holes[SE_PAGETYPE(se)] += BLKS_PER_SEG(sbi) - se->valid_blocks;
> }
> mutex_unlock(&dirty_i->seglist_lock);
>
> @@ -2406,8 +2399,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
> new_vblocks = se->valid_blocks + del;
> offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
>
> - f2fs_bug_on(sbi, (new_vblocks < 0 ||
> - (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
> + f2fs_bug_on(sbi, new_vblocks < 0 || new_vblocks > BLKS_PER_SEG(sbi));
>
> se->valid_blocks = new_vblocks;
>
> @@ -3449,7 +3441,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
> if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
> f2fs_randomize_chunk(sbi, curseg);
> }
> - if (curseg->next_blkoff >= f2fs_usable_blks_in_seg(sbi, curseg->segno))
> + if (curseg->next_blkoff >= BLKS_PER_SEG(sbi))
> segment_full = true;
> stat_inc_block_count(sbi, curseg);
>
> @@ -4687,8 +4679,6 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
> struct seg_entry *sentry;
>
> for (start = 0; start < MAIN_SEGS(sbi); start++) {
> - if (f2fs_usable_blks_in_seg(sbi, start) == 0)
> - continue;
> sentry = get_seg_entry(sbi, start);
> if (!sentry->valid_blocks)
> __set_free(sbi, start);
> @@ -4710,7 +4700,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> struct free_segmap_info *free_i = FREE_I(sbi);
> unsigned int segno = 0, offset = 0, secno;
> - block_t valid_blocks, usable_blks_in_seg;
> + block_t valid_blocks;
>
> while (1) {
> /* find dirty segment based on free segmap */
> @@ -4719,10 +4709,9 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> break;
> offset = segno + 1;
> valid_blocks = get_valid_blocks(sbi, segno, false);
> - usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
> - if (valid_blocks == usable_blks_in_seg || !valid_blocks)
> + if (valid_blocks == BLKS_PER_SEG(sbi) || !valid_blocks)
> continue;
> - if (valid_blocks > usable_blks_in_seg) {
> + if (valid_blocks > BLKS_PER_SEG(sbi)) {
> f2fs_bug_on(sbi, 1);
> continue;
> }
> @@ -4739,7 +4728,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> valid_blocks = get_valid_blocks(sbi, segno, true);
> secno = GET_SEC_FROM_SEG(sbi, segno);
>
> - if (!valid_blocks || valid_blocks == CAP_BLKS_PER_SEC(sbi))
> + if (!valid_blocks || valid_blocks == BLKS_PER_SEC(sbi))
> continue;
> if (IS_CURSEC(sbi, secno))
> continue;
> @@ -5097,42 +5086,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
>
> return 0;
> }
> -
> -/*
> - * Return the number of usable blocks in a segment. The number of blocks
> - * returned is always equal to the number of blocks in a segment for
> - * segments fully contained within a sequential zone capacity or a
> - * conventional zone. For segments partially contained in a sequential
> - * zone capacity, the number of usable blocks up to the zone capacity
> - * is returned. 0 is returned in all other cases.
> - */
> -static inline unsigned int f2fs_usable_zone_blks_in_seg(
> - struct f2fs_sb_info *sbi, unsigned int segno)
> -{
> - block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
> - unsigned int secno;
> -
> - if (!sbi->unusable_blocks_per_sec)
> - return BLKS_PER_SEG(sbi);
> -
> - secno = GET_SEC_FROM_SEG(sbi, segno);
> - seg_start = START_BLOCK(sbi, segno);
> - sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
> - sec_cap_blkaddr = sec_start_blkaddr + CAP_BLKS_PER_SEC(sbi);
> -
> - /*
> - * If segment starts before zone capacity and spans beyond
> - * zone capacity, then usable blocks are from seg start to
> - * zone capacity. If the segment starts after the zone capacity,
> - * then there are no usable blocks.
> - */
> - if (seg_start >= sec_cap_blkaddr)
> - return 0;
> - if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
> - return sec_cap_blkaddr - seg_start;
> -
> - return BLKS_PER_SEG(sbi);
> -}
> #else
> int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
> {
> @@ -5143,31 +5096,7 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
> {
> return 0;
> }
> -
> -static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - return 0;
> -}
> -
> #endif
> -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - if (f2fs_sb_has_blkzoned(sbi))
> - return f2fs_usable_zone_blks_in_seg(sbi, segno);
> -
> - return BLKS_PER_SEG(sbi);
> -}
> -
> -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - if (f2fs_sb_has_blkzoned(sbi))
> - return CAP_SEGS_PER_SEC(sbi);
> -
> - return SEGS_PER_SEC(sbi);
> -}
>
> /*
> * Update min, max modified time for cost-benefit GC algorithm
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index 96cec83012f1..b725ae1a7043 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -99,12 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
> ((!__is_valid_data_blkaddr(blk_addr)) ? \
> NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
> GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
> -#define CAP_BLKS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
> - (sbi)->unusable_blocks_per_sec)
> -#define CAP_SEGS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
> - (sbi)->log_blocks_per_seg))
> #define GET_SEC_FROM_SEG(sbi, segno) \
> (((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
> #define GET_SEG_FROM_SEC(sbi, secno) \
> @@ -440,7 +434,6 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> unsigned int next;
> - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
>
> spin_lock(&free_i->segmap_lock);
> clear_bit(segno, free_i->free_segmap);
> @@ -448,7 +441,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
>
> next = find_next_bit(free_i->free_segmap,
> start_segno + SEGS_PER_SEC(sbi), start_segno);
> - if (next >= start_segno + usable_segs) {
> + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> clear_bit(secno, free_i->free_secmap);
> free_i->free_sections++;
> }
> @@ -474,7 +467,6 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> unsigned int next;
> - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
>
> spin_lock(&free_i->segmap_lock);
> if (test_and_clear_bit(segno, free_i->free_segmap)) {
> @@ -484,7 +476,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> goto skip_free;
> next = find_next_bit(free_i->free_segmap,
> start_segno + SEGS_PER_SEC(sbi), start_segno);
> - if (next >= start_segno + usable_segs) {
> + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> if (test_and_clear_bit(secno, free_i->free_secmap))
> free_i->free_sections++;
> }
> @@ -577,16 +569,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
> /* check current node segment */
> for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
> segno = CURSEG_I(sbi, i)->segno;
> - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> + left_blocks = BLKS_PER_SEG(sbi) -
> get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> -
> if (node_blocks > left_blocks)
> return false;
> }
>
> /* check current data segment */
> segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
> - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> + left_blocks = BLKS_PER_SEG(sbi) -
> get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> if (dent_blocks > left_blocks)
> return false;
> @@ -604,10 +595,10 @@ static inline void __get_secs_required(struct f2fs_sb_info *sbi,
> get_pages(sbi, F2FS_DIRTY_DENTS) +
> get_pages(sbi, F2FS_DIRTY_IMETA);
> unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
> - unsigned int node_secs = total_node_blocks / CAP_BLKS_PER_SEC(sbi);
> - unsigned int dent_secs = total_dent_blocks / CAP_BLKS_PER_SEC(sbi);
> - unsigned int node_blocks = total_node_blocks % CAP_BLKS_PER_SEC(sbi);
> - unsigned int dent_blocks = total_dent_blocks % CAP_BLKS_PER_SEC(sbi);
> + unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
> + unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
> + unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
> + unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);
>
> if (lower_p)
> *lower_p = node_secs + dent_secs;
> @@ -766,22 +757,21 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
> int valid_blocks = 0;
> int cur_pos = 0, next_pos;
> - unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> /* check bitmap with valid block count */
> do {
> if (is_valid) {
> next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
> - usable_blks_per_seg,
> + BLKS_PER_SEG(sbi),
> cur_pos);
> valid_blocks += next_pos - cur_pos;
> } else
> next_pos = find_next_bit_le(&raw_sit->valid_map,
> - usable_blks_per_seg,
> + BLKS_PER_SEG(sbi),
> cur_pos);
> cur_pos = next_pos;
> is_valid = !is_valid;
> - } while (cur_pos < usable_blks_per_seg);
> + } while (cur_pos < BLKS_PER_SEG(sbi));
>
> if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
> f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
> @@ -791,14 +781,9 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> return -EFSCORRUPTED;
> }
>
> - if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
> - f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
> - BLKS_PER_SEG(sbi),
> - usable_blks_per_seg) != BLKS_PER_SEG(sbi));
> -
> /* check segment usage, and check boundary of a given segment number */
> - if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
> - || !valid_main_segno(sbi, segno))) {
> + if (unlikely(GET_SIT_VBLOCKS(raw_sit) > BLKS_PER_SEG(sbi) ||
> + !valid_main_segno(sbi, segno))) {
> f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
> GET_SIT_VBLOCKS(raw_sit), segno);
> set_sbi_flag(sbi, SBI_NEED_FSCK);
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index c0688c124aa7..e75b8651fe54 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -3836,20 +3836,10 @@ struct f2fs_report_zones_args {
> static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx,
> void *data)
> {
> - struct f2fs_report_zones_args *rz_args = data;
> - block_t unusable_blocks = (zone->len - zone->capacity) >>
> - F2FS_LOG_SECTORS_PER_BLOCK;
> + if (zone->capacity) {

Had to fix this by
if (zone->len != zone->capacity) {

> + struct f2fs_report_zones_args *rz_args = data;
>
> - if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
> - return 0;
> -
> - set_bit(idx, rz_args->dev->blkz_seq);
> - if (!rz_args->sbi->unusable_blocks_per_sec) {
> - rz_args->sbi->unusable_blocks_per_sec = unusable_blocks;
> - return 0;
> - }
> - if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) {
> - f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n");
> + f2fs_err(rz_args->sbi, "F2FS does not support zone capacity.\n");
> return -EINVAL;
> }
> return 0;
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 906d2af2d849..2689cc9c3bf8 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -1018,9 +1018,6 @@ F2FS_SBI_GENERAL_RW_ATTR(revoked_atomic_block);
> F2FS_SBI_GENERAL_RW_ATTR(hot_data_age_threshold);
> F2FS_SBI_GENERAL_RW_ATTR(warm_data_age_threshold);
> F2FS_SBI_GENERAL_RW_ATTR(last_age_weight);
> -#ifdef CONFIG_BLK_DEV_ZONED
> -F2FS_SBI_GENERAL_RO_ATTR(unusable_blocks_per_sec);
> -#endif
>
> /* STAT_INFO ATTR */
> #ifdef CONFIG_F2FS_STAT_FS
> @@ -1172,9 +1169,6 @@ static struct attribute *f2fs_attrs[] = {
> ATTR_LIST(moved_blocks_background),
> ATTR_LIST(avg_vblocks),
> #endif
> -#ifdef CONFIG_BLK_DEV_ZONED
> - ATTR_LIST(unusable_blocks_per_sec),
> -#endif
> #ifdef CONFIG_F2FS_FS_COMPRESSION
> ATTR_LIST(compr_written_block),
> ATTR_LIST(compr_saved_block),
> --
> 2.43.0.594.gd9cf4e227d-goog

2024-02-07 22:36:43

by Daeho Jeong

Subject: Re: [f2fs-dev] [PATCH 3/3] f2fs: kill zone-capacity support

On Tue, Feb 6, 2024 at 6:43 PM Jaegeuk Kim <[email protected]> wrote:
>
> On 02/06, Jaegeuk Kim wrote:
> > Since we don't see any user, let's kill.
> >
> > Signed-off-by: Jaegeuk Kim <[email protected]>
> > ---
> > Documentation/ABI/testing/sysfs-fs-f2fs | 6 --
> > fs/f2fs/debug.c | 7 +-
> > fs/f2fs/f2fs.h | 5 --
> > fs/f2fs/file.c | 6 +-
> > fs/f2fs/gc.c | 33 +++------
> > fs/f2fs/gc.h | 26 -------
> > fs/f2fs/segment.c | 93 +++----------------------
> > fs/f2fs/segment.h | 41 ++++-------
> > fs/f2fs/super.c | 16 +----
> > fs/f2fs/sysfs.c | 6 --
> > 10 files changed, 43 insertions(+), 196 deletions(-)
> >
> > diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
> > index 48c135e24eb5..dff8c87d87dd 100644
> > --- a/Documentation/ABI/testing/sysfs-fs-f2fs
> > +++ b/Documentation/ABI/testing/sysfs-fs-f2fs
> > @@ -628,12 +628,6 @@ Contact: "Jaegeuk Kim" <[email protected]>
> > Description: Controls max # of node block writes to be used for roll forward
> > recovery. This can limit the roll forward recovery time.
> >
> > -What: /sys/fs/f2fs/<disk>/unusable_blocks_per_sec
> > -Date: June 2022
> > -Contact: "Jaegeuk Kim" <[email protected]>
> > -Description: Shows the number of unusable blocks in a section which was defined by
> > - the zone capacity reported by underlying zoned device.
> > -
> > What: /sys/fs/f2fs/<disk>/current_atomic_write
> > Date: July 2022
> > Contact: "Daeho Jeong" <[email protected]>
> > diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
> > index 0d02224b99b7..6617195bd27e 100644
> > --- a/fs/f2fs/debug.c
> > +++ b/fs/f2fs/debug.c
> > @@ -32,21 +32,20 @@ static struct dentry *f2fs_debugfs_root;
> > void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
> > {
> > struct f2fs_stat_info *si = F2FS_STAT(sbi);
> > - unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
> > + unsigned long long hblks_per_sec, total_vblocks;
> > unsigned long long bimodal, dist;
> > unsigned int segno, vblocks;
> > int ndirty = 0;
> >
> > bimodal = 0;
> > total_vblocks = 0;
> > - blks_per_sec = CAP_BLKS_PER_SEC(sbi);
> > - hblks_per_sec = blks_per_sec / 2;
> > + hblks_per_sec = BLKS_PER_SEC(sbi) / 2;
> > for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> > vblocks = get_valid_blocks(sbi, segno, true);
> > dist = abs(vblocks - hblks_per_sec);
> > bimodal += dist * dist;
> >
> > - if (vblocks > 0 && vblocks < blks_per_sec) {
> > + if (vblocks > 0 && vblocks < BLKS_PER_SEC(sbi)) {
> > total_vblocks += vblocks;
> > ndirty++;
> > }
> > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> > index 9a9e858083af..34d718301392 100644
> > --- a/fs/f2fs/f2fs.h
> > +++ b/fs/f2fs/f2fs.h
> > @@ -1618,7 +1618,6 @@ struct f2fs_sb_info {
> > unsigned int meta_ino_num; /* meta inode number*/
> > unsigned int log_blocks_per_seg; /* log2 blocks per segment */
> > unsigned int blocks_per_seg; /* blocks per segment */
> > - unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
> > unsigned int segs_per_sec; /* segments per section */
> > unsigned int secs_per_zone; /* sections per zone */
> > unsigned int total_sections; /* total section count */
> > @@ -3743,10 +3742,6 @@ void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
> > int __init f2fs_create_segment_manager_caches(void);
> > void f2fs_destroy_segment_manager_caches(void);
> > int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
> > -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> > - unsigned int segno);
> > -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> > - unsigned int segno);
> >
> > #define DEF_FRAGMENT_SIZE 4
> > #define MIN_FRAGMENT_SIZE 1
> > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> > index b0be576b2090..2c13b340c8a0 100644
> > --- a/fs/f2fs/file.c
> > +++ b/fs/f2fs/file.c
> > @@ -1717,7 +1717,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
> > return 0;
> >
> > if (f2fs_is_pinned_file(inode)) {
> > - block_t sec_blks = CAP_BLKS_PER_SEC(sbi);
> > + block_t sec_blks = BLKS_PER_SEC(sbi);
> > block_t sec_len = roundup(map.m_len, sec_blks);
> >
> > map.m_len = sec_blks;
> > @@ -2525,7 +2525,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)
> > ret = -EAGAIN;
> > goto out;
> > }
> > - range->start += CAP_BLKS_PER_SEC(sbi);
> > + range->start += BLKS_PER_SEC(sbi);
> > if (range->start <= end)
> > goto do_more;
> > out:
> > @@ -2654,7 +2654,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
> > goto out;
> > }
> >
> > - sec_num = DIV_ROUND_UP(total, CAP_BLKS_PER_SEC(sbi));
> > + sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));
> >
> > /*
> > * make sure there are enough free section for LFS allocation, this can
> > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> > index d61a60c1c844..0a1a50b68df8 100644
> > --- a/fs/f2fs/gc.c
> > +++ b/fs/f2fs/gc.c
> > @@ -340,14 +340,13 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
> > unsigned char age = 0;
> > unsigned char u;
> > unsigned int i;
> > - unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi, segno);
> >
> > - for (i = 0; i < usable_segs_per_sec; i++)
> > + for (i = 0; i < SEGS_PER_SEC(sbi); i++)
> > mtime += get_seg_entry(sbi, start + i)->mtime;
> > vblocks = get_valid_blocks(sbi, segno, true);
> >
> > - mtime = div_u64(mtime, usable_segs_per_sec);
> > - vblocks = div_u64(vblocks, usable_segs_per_sec);
> > + mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
> > + vblocks = div_u64(vblocks, SEGS_PER_SEC(sbi));
> >
> > u = (vblocks * 100) >> sbi->log_blocks_per_seg;
> >
> > @@ -530,7 +529,6 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
> > unsigned long long age, u, accu;
> > unsigned long long max_mtime = sit_i->dirty_max_mtime;
> > unsigned long long min_mtime = sit_i->dirty_min_mtime;
> > - unsigned int sec_blocks = CAP_BLKS_PER_SEC(sbi);
> > unsigned int vblocks;
> > unsigned int dirty_threshold = max(am->max_candidate_count,
> > am->candidate_ratio *
> > @@ -560,13 +558,13 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
> >
> > /* age = 10000 * x% * 60 */
> > age = div64_u64(accu * (max_mtime - ve->mtime), total_time) *
> > - age_weight;
> > + age_weight;
> >
> > vblocks = get_valid_blocks(sbi, ve->segno, true);
> > - f2fs_bug_on(sbi, !vblocks || vblocks == sec_blocks);
> > + f2fs_bug_on(sbi, !vblocks || vblocks == BLKS_PER_SEC(sbi));
> >
> > /* u = 10000 * x% * 40 */
> > - u = div64_u64(accu * (sec_blocks - vblocks), sec_blocks) *
> > + u = div64_u64(accu * (BLKS_PER_SEC(sbi) - vblocks), BLKS_PER_SEC(sbi)) *
> > (100 - age_weight);
> >
> > f2fs_bug_on(sbi, age + u >= UINT_MAX);
> > @@ -1003,7 +1001,6 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> > int phase = 0;
> > bool fggc = (gc_type == FG_GC);
> > int submitted = 0;
> > - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
> >
> > start_addr = START_BLOCK(sbi, segno);
> >
> > @@ -1013,7 +1010,7 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> > if (fggc && phase == 2)
> > atomic_inc(&sbi->wb_sync_req[NODE]);
> >
> > - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> > + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> > nid_t nid = le32_to_cpu(entry->nid);
> > struct page *node_page;
> > struct node_info ni;
> > @@ -1498,14 +1495,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> > int off;
> > int phase = 0;
> > int submitted = 0;
> > - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
> >
> > start_addr = START_BLOCK(sbi, segno);
> >
> > next_step:
> > entry = sum;
> >
> > - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> > + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> > struct page *data_page;
> > struct inode *inode;
> > struct node_info dni; /* dnode info for the data */
> > @@ -1520,7 +1516,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> > */
> > if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
> > (!force_migrate && get_valid_blocks(sbi, segno, true) ==
> > - CAP_BLKS_PER_SEC(sbi)))
> > + BLKS_PER_SEC(sbi)))
> > return submitted;
> >
> > if (check_valid_map(sbi, segno, off) == 0)
> > @@ -1680,15 +1676,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> > if (__is_large_section(sbi))
> > end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));
> >
> > - /*
> > - * zone-capacity can be less than zone-size in zoned devices,
> > - * resulting in less than expected usable segments in the zone,
> > - * calculate the end segno in the zone which can be garbage collected
> > - */
> > - if (f2fs_sb_has_blkzoned(sbi))
> > - end_segno -= SEGS_PER_SEC(sbi) -
> > - f2fs_usable_segs_in_sec(sbi, segno);
> > -
> > sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
> >
> > /* readahead multi ssa blocks those have contiguous address */
> > @@ -1862,7 +1849,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
> >
> > total_freed += seg_freed;
> >
> > - if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) {
> > + if (seg_freed == SEGS_PER_SEC(sbi)) {
> > sec_freed++;
> > total_sec_freed++;
> > }
> > diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
> > index 28a00942802c..e4a75aa4160f 100644
> > --- a/fs/f2fs/gc.h
> > +++ b/fs/f2fs/gc.h
> > @@ -68,34 +68,8 @@ struct victim_entry {
> > * inline functions
> > */
> >
> > -/*
> > - * On a Zoned device zone-capacity can be less than zone-size and if
> > - * zone-capacity is not aligned to f2fs segment size(2MB), then the segment
> > - * starting just before zone-capacity has some blocks spanning across the
> > - * zone-capacity, these blocks are not usable.
> > - * Such spanning segments can be in free list so calculate the sum of usable
> > - * blocks in currently free segments including normal and spanning segments.
> > - */
> > -static inline block_t free_segs_blk_count_zoned(struct f2fs_sb_info *sbi)
> > -{
> > - block_t free_seg_blks = 0;
> > - struct free_segmap_info *free_i = FREE_I(sbi);
> > - int j;
> > -
> > - spin_lock(&free_i->segmap_lock);
> > - for (j = 0; j < MAIN_SEGS(sbi); j++)
> > - if (!test_bit(j, free_i->free_segmap))
> > - free_seg_blks += f2fs_usable_blks_in_seg(sbi, j);
> > - spin_unlock(&free_i->segmap_lock);
> > -
> > - return free_seg_blks;
> > -}
> > -
> > static inline block_t free_segs_blk_count(struct f2fs_sb_info *sbi)
> > {
> > - if (f2fs_sb_has_blkzoned(sbi))
> > - return free_segs_blk_count_zoned(sbi);
> > -
> > return free_segments(sbi) << sbi->log_blocks_per_seg;
> > }
> >
> > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> > index 8d330664b925..1013276ad12a 100644
> > --- a/fs/f2fs/segment.c
> > +++ b/fs/f2fs/segment.c
> > @@ -769,7 +769,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> > get_valid_blocks(sbi, segno, true);
> >
> > f2fs_bug_on(sbi, unlikely(!valid_blocks ||
> > - valid_blocks == CAP_BLKS_PER_SEC(sbi)));
> > + valid_blocks == BLKS_PER_SEC(sbi)));
> >
> > if (!IS_CURSEC(sbi, secno))
> > set_bit(secno, dirty_i->dirty_secmap);
> > @@ -805,7 +805,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> > unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> >
> > if (!valid_blocks ||
> > - valid_blocks == CAP_BLKS_PER_SEC(sbi)) {
> > + valid_blocks == BLKS_PER_SEC(sbi)) {
> > clear_bit(secno, dirty_i->dirty_secmap);
> > return;
> > }
> > @@ -825,22 +825,20 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
> > {
> > struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> > unsigned short valid_blocks, ckpt_valid_blocks;
> > - unsigned int usable_blocks;
> >
> > if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
> > return;
> >
> > - usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
> > mutex_lock(&dirty_i->seglist_lock);
> >
> > valid_blocks = get_valid_blocks(sbi, segno, false);
> > ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);
> >
> > if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
> > - ckpt_valid_blocks == usable_blocks)) {
> > + ckpt_valid_blocks == BLKS_PER_SEG(sbi))) {
> > __locate_dirty_segment(sbi, segno, PRE);
> > __remove_dirty_segment(sbi, segno, DIRTY);
> > - } else if (valid_blocks < usable_blocks) {
> > + } else if (valid_blocks < BLKS_PER_SEG(sbi)) {
> > __locate_dirty_segment(sbi, segno, DIRTY);
> > } else {
> > /* Recovery routine with SSR needs this */
> > @@ -882,12 +880,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
> > mutex_lock(&dirty_i->seglist_lock);
> > for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
> > se = get_seg_entry(sbi, segno);
> > - if (IS_NODESEG(se->type))
> > - holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
> > - se->valid_blocks;
> > - else
> > - holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
> > - se->valid_blocks;
> > + holes[SE_PAGETYPE(se)] += BLKS_PER_SEG(sbi) - se->valid_blocks;
> > }
> > mutex_unlock(&dirty_i->seglist_lock);
> >
> > @@ -2406,8 +2399,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
> > new_vblocks = se->valid_blocks + del;
> > offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
> >
> > - f2fs_bug_on(sbi, (new_vblocks < 0 ||
> > - (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
> > + f2fs_bug_on(sbi, new_vblocks < 0 || new_vblocks > BLKS_PER_SEG(sbi));
> >
> > se->valid_blocks = new_vblocks;
> >
> > @@ -3449,7 +3441,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
> > if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
> > f2fs_randomize_chunk(sbi, curseg);
> > }
> > - if (curseg->next_blkoff >= f2fs_usable_blks_in_seg(sbi, curseg->segno))
> > + if (curseg->next_blkoff >= BLKS_PER_SEG(sbi))
> > segment_full = true;
> > stat_inc_block_count(sbi, curseg);
> >
> > @@ -4687,8 +4679,6 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
> > struct seg_entry *sentry;
> >
> > for (start = 0; start < MAIN_SEGS(sbi); start++) {
> > - if (f2fs_usable_blks_in_seg(sbi, start) == 0)
> > - continue;
> > sentry = get_seg_entry(sbi, start);
> > if (!sentry->valid_blocks)
> > __set_free(sbi, start);
> > @@ -4710,7 +4700,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> > struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> > struct free_segmap_info *free_i = FREE_I(sbi);
> > unsigned int segno = 0, offset = 0, secno;
> > - block_t valid_blocks, usable_blks_in_seg;
> > + block_t valid_blocks;
> >
> > while (1) {
> > /* find dirty segment based on free segmap */
> > @@ -4719,10 +4709,9 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> > break;
> > offset = segno + 1;
> > valid_blocks = get_valid_blocks(sbi, segno, false);
> > - usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
> > - if (valid_blocks == usable_blks_in_seg || !valid_blocks)
> > + if (valid_blocks == BLKS_PER_SEG(sbi) || !valid_blocks)
> > continue;
> > - if (valid_blocks > usable_blks_in_seg) {
> > + if (valid_blocks > BLKS_PER_SEG(sbi)) {
> > f2fs_bug_on(sbi, 1);
> > continue;
> > }
> > @@ -4739,7 +4728,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> > valid_blocks = get_valid_blocks(sbi, segno, true);
> > secno = GET_SEC_FROM_SEG(sbi, segno);
> >
> > - if (!valid_blocks || valid_blocks == CAP_BLKS_PER_SEC(sbi))
> > + if (!valid_blocks || valid_blocks == BLKS_PER_SEC(sbi))
> > continue;
> > if (IS_CURSEC(sbi, secno))
> > continue;
> > @@ -5097,42 +5086,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
> >
> > return 0;
> > }
> > -
> > -/*
> > - * Return the number of usable blocks in a segment. The number of blocks
> > - * returned is always equal to the number of blocks in a segment for
> > - * segments fully contained within a sequential zone capacity or a
> > - * conventional zone. For segments partially contained in a sequential
> > - * zone capacity, the number of usable blocks up to the zone capacity
> > - * is returned. 0 is returned in all other cases.
> > - */
> > -static inline unsigned int f2fs_usable_zone_blks_in_seg(
> > - struct f2fs_sb_info *sbi, unsigned int segno)
> > -{
> > - block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
> > - unsigned int secno;
> > -
> > - if (!sbi->unusable_blocks_per_sec)
> > - return BLKS_PER_SEG(sbi);
> > -
> > - secno = GET_SEC_FROM_SEG(sbi, segno);
> > - seg_start = START_BLOCK(sbi, segno);
> > - sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
> > - sec_cap_blkaddr = sec_start_blkaddr + CAP_BLKS_PER_SEC(sbi);
> > -
> > - /*
> > - * If segment starts before zone capacity and spans beyond
> > - * zone capacity, then usable blocks are from seg start to
> > - * zone capacity. If the segment starts after the zone capacity,
> > - * then there are no usable blocks.
> > - */
> > - if (seg_start >= sec_cap_blkaddr)
> > - return 0;
> > - if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
> > - return sec_cap_blkaddr - seg_start;
> > -
> > - return BLKS_PER_SEG(sbi);
> > -}
> > #else
> > int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
> > {
> > @@ -5143,31 +5096,7 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
> > {
> > return 0;
> > }
> > -
> > -static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
> > - unsigned int segno)
> > -{
> > - return 0;
> > -}
> > -
> > #endif
> > -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> > - unsigned int segno)
> > -{
> > - if (f2fs_sb_has_blkzoned(sbi))
> > - return f2fs_usable_zone_blks_in_seg(sbi, segno);
> > -
> > - return BLKS_PER_SEG(sbi);
> > -}
> > -
> > -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> > - unsigned int segno)
> > -{
> > - if (f2fs_sb_has_blkzoned(sbi))
> > - return CAP_SEGS_PER_SEC(sbi);
> > -
> > - return SEGS_PER_SEC(sbi);
> > -}
> >
> > /*
> > * Update min, max modified time for cost-benefit GC algorithm
> > diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> > index 96cec83012f1..b725ae1a7043 100644
> > --- a/fs/f2fs/segment.h
> > +++ b/fs/f2fs/segment.h
> > @@ -99,12 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
> > ((!__is_valid_data_blkaddr(blk_addr)) ? \
> > NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
> > GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
> > -#define CAP_BLKS_PER_SEC(sbi) \
> > - ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
> > - (sbi)->unusable_blocks_per_sec)
> > -#define CAP_SEGS_PER_SEC(sbi) \
> > - ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
> > - (sbi)->log_blocks_per_seg))
> > #define GET_SEC_FROM_SEG(sbi, segno) \
> > (((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
> > #define GET_SEG_FROM_SEC(sbi, secno) \
> > @@ -440,7 +434,6 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
> > unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> > unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> > unsigned int next;
> > - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
> >
> > spin_lock(&free_i->segmap_lock);
> > clear_bit(segno, free_i->free_segmap);
> > @@ -448,7 +441,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
> >
> > next = find_next_bit(free_i->free_segmap,
> > start_segno + SEGS_PER_SEC(sbi), start_segno);
> > - if (next >= start_segno + usable_segs) {
> > + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> > clear_bit(secno, free_i->free_secmap);
> > free_i->free_sections++;
> > }
> > @@ -474,7 +467,6 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> > unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> > unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> > unsigned int next;
> > - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
> >
> > spin_lock(&free_i->segmap_lock);
> > if (test_and_clear_bit(segno, free_i->free_segmap)) {
> > @@ -484,7 +476,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> > goto skip_free;
> > next = find_next_bit(free_i->free_segmap,
> > start_segno + SEGS_PER_SEC(sbi), start_segno);
> > - if (next >= start_segno + usable_segs) {
> > + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> > if (test_and_clear_bit(secno, free_i->free_secmap))
> > free_i->free_sections++;
> > }
> > @@ -577,16 +569,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
> > /* check current node segment */
> > for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
> > segno = CURSEG_I(sbi, i)->segno;
> > - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> > + left_blocks = BLKS_PER_SEG(sbi) -
> > get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> > -
> > if (node_blocks > left_blocks)
> > return false;
> > }
> >
> > /* check current data segment */
> > segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
> > - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> > + left_blocks = BLKS_PER_SEG(sbi) -
> > get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> > if (dent_blocks > left_blocks)
> > return false;
> > @@ -604,10 +595,10 @@ static inline void __get_secs_required(struct f2fs_sb_info *sbi,
> > get_pages(sbi, F2FS_DIRTY_DENTS) +
> > get_pages(sbi, F2FS_DIRTY_IMETA);
> > unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
> > - unsigned int node_secs = total_node_blocks / CAP_BLKS_PER_SEC(sbi);
> > - unsigned int dent_secs = total_dent_blocks / CAP_BLKS_PER_SEC(sbi);
> > - unsigned int node_blocks = total_node_blocks % CAP_BLKS_PER_SEC(sbi);
> > - unsigned int dent_blocks = total_dent_blocks % CAP_BLKS_PER_SEC(sbi);
> > + unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
> > + unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
> > + unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
> > + unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);
> >
> > if (lower_p)
> > *lower_p = node_secs + dent_secs;
> > @@ -766,22 +757,21 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> > bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
> > int valid_blocks = 0;
> > int cur_pos = 0, next_pos;
> > - unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);
> >
> > /* check bitmap with valid block count */
> > do {
> > if (is_valid) {
> > next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
> > - usable_blks_per_seg,
> > + BLKS_PER_SEG(sbi),
> > cur_pos);
> > valid_blocks += next_pos - cur_pos;
> > } else
> > next_pos = find_next_bit_le(&raw_sit->valid_map,
> > - usable_blks_per_seg,
> > + BLKS_PER_SEG(sbi),
> > cur_pos);
> > cur_pos = next_pos;
> > is_valid = !is_valid;
> > - } while (cur_pos < usable_blks_per_seg);
> > + } while (cur_pos < BLKS_PER_SEG(sbi));
> >
> > if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
> > f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
> > @@ -791,14 +781,9 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> > return -EFSCORRUPTED;
> > }
> >
> > - if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
> > - f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
> > - BLKS_PER_SEG(sbi),
> > - usable_blks_per_seg) != BLKS_PER_SEG(sbi));
> > -
> > /* check segment usage, and check boundary of a given segment number */
> > - if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
> > - || !valid_main_segno(sbi, segno))) {
> > + if (unlikely(GET_SIT_VBLOCKS(raw_sit) > BLKS_PER_SEG(sbi) ||
> > + !valid_main_segno(sbi, segno))) {
> > f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
> > GET_SIT_VBLOCKS(raw_sit), segno);
> > set_sbi_flag(sbi, SBI_NEED_FSCK);
> > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> > index c0688c124aa7..e75b8651fe54 100644
> > --- a/fs/f2fs/super.c
> > +++ b/fs/f2fs/super.c
> > @@ -3836,20 +3836,10 @@ struct f2fs_report_zones_args {
> > static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx,
> > void *data)
> > {
> > - struct f2fs_report_zones_args *rz_args = data;
> > - block_t unusable_blocks = (zone->len - zone->capacity) >>
> > - F2FS_LOG_SECTORS_PER_BLOCK;
> > + if (zone->capacity) {
>
> Had to fix this by
> if (zone->len != zone->capacity) {
>
> > + struct f2fs_report_zones_args *rz_args = data;
> >
> > - if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
> > - return 0;
> > -
> > - set_bit(idx, rz_args->dev->blkz_seq);

Can we remove this part? I think we still might need this one.

> > - if (!rz_args->sbi->unusable_blocks_per_sec) {
> > - rz_args->sbi->unusable_blocks_per_sec = unusable_blocks;
> > - return 0;
> > - }
> > - if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) {
> > - f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n");
> > + f2fs_err(rz_args->sbi, "F2FS does not support zone capacity.\n");
> > return -EINVAL;
> > }
> > return 0;
> > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> > index 906d2af2d849..2689cc9c3bf8 100644
> > --- a/fs/f2fs/sysfs.c
> > +++ b/fs/f2fs/sysfs.c
> > @@ -1018,9 +1018,6 @@ F2FS_SBI_GENERAL_RW_ATTR(revoked_atomic_block);
> > F2FS_SBI_GENERAL_RW_ATTR(hot_data_age_threshold);
> > F2FS_SBI_GENERAL_RW_ATTR(warm_data_age_threshold);
> > F2FS_SBI_GENERAL_RW_ATTR(last_age_weight);
> > -#ifdef CONFIG_BLK_DEV_ZONED
> > -F2FS_SBI_GENERAL_RO_ATTR(unusable_blocks_per_sec);
> > -#endif
> >
> > /* STAT_INFO ATTR */
> > #ifdef CONFIG_F2FS_STAT_FS
> > @@ -1172,9 +1169,6 @@ static struct attribute *f2fs_attrs[] = {
> > ATTR_LIST(moved_blocks_background),
> > ATTR_LIST(avg_vblocks),
> > #endif
> > -#ifdef CONFIG_BLK_DEV_ZONED
> > - ATTR_LIST(unusable_blocks_per_sec),
> > -#endif
> > #ifdef CONFIG_F2FS_FS_COMPRESSION
> > ATTR_LIST(compr_written_block),
> > ATTR_LIST(compr_saved_block),
> > --
> > 2.43.0.594.gd9cf4e227d-goog
>
>
> _______________________________________________
> Linux-f2fs-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

2024-02-07 23:30:15

by Jaegeuk Kim

Subject: Re: [PATCH 3/3 v2] f2fs: kill zone-capacity support

Since we don't see any user, let's kill.

Signed-off-by: Jaegeuk Kim <[email protected]>
---

from v1:
- keep setting the seq bit

Documentation/ABI/testing/sysfs-fs-f2fs | 6 --
fs/f2fs/debug.c | 7 +-
fs/f2fs/f2fs.h | 5 --
fs/f2fs/file.c | 6 +-
fs/f2fs/gc.c | 33 +++------
fs/f2fs/gc.h | 26 -------
fs/f2fs/segment.c | 93 +++----------------------
fs/f2fs/segment.h | 41 ++++-------
fs/f2fs/super.c | 16 ++---
fs/f2fs/sysfs.c | 6 --
10 files changed, 44 insertions(+), 195 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 48c135e24eb5..dff8c87d87dd 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -628,12 +628,6 @@ Contact: "Jaegeuk Kim" <[email protected]>
Description: Controls max # of node block writes to be used for roll forward
recovery. This can limit the roll forward recovery time.

-What: /sys/fs/f2fs/<disk>/unusable_blocks_per_sec
-Date: June 2022
-Contact: "Jaegeuk Kim" <[email protected]>
-Description: Shows the number of unusable blocks in a section which was defined by
- the zone capacity reported by underlying zoned device.
-
What: /sys/fs/f2fs/<disk>/current_atomic_write
Date: July 2022
Contact: "Daeho Jeong" <[email protected]>
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 0d02224b99b7..6617195bd27e 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -32,21 +32,20 @@ static struct dentry *f2fs_debugfs_root;
void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
{
struct f2fs_stat_info *si = F2FS_STAT(sbi);
- unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
+ unsigned long long hblks_per_sec, total_vblocks;
unsigned long long bimodal, dist;
unsigned int segno, vblocks;
int ndirty = 0;

bimodal = 0;
total_vblocks = 0;
- blks_per_sec = CAP_BLKS_PER_SEC(sbi);
- hblks_per_sec = blks_per_sec / 2;
+ hblks_per_sec = BLKS_PER_SEC(sbi) / 2;
for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;

- if (vblocks > 0 && vblocks < blks_per_sec) {
+ if (vblocks > 0 && vblocks < BLKS_PER_SEC(sbi)) {
total_vblocks += vblocks;
ndirty++;
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9a9e858083af..34d718301392 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1618,7 +1618,6 @@ struct f2fs_sb_info {
unsigned int meta_ino_num; /* meta inode number*/
unsigned int log_blocks_per_seg; /* log2 blocks per segment */
unsigned int blocks_per_seg; /* blocks per segment */
- unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
unsigned int segs_per_sec; /* segments per section */
unsigned int secs_per_zone; /* sections per zone */
unsigned int total_sections; /* total section count */
@@ -3743,10 +3742,6 @@ void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
int __init f2fs_create_segment_manager_caches(void);
void f2fs_destroy_segment_manager_caches(void);
int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
-unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
- unsigned int segno);
-unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
- unsigned int segno);

#define DEF_FRAGMENT_SIZE 4
#define MIN_FRAGMENT_SIZE 1
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b0be576b2090..2c13b340c8a0 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1717,7 +1717,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
return 0;

if (f2fs_is_pinned_file(inode)) {
- block_t sec_blks = CAP_BLKS_PER_SEC(sbi);
+ block_t sec_blks = BLKS_PER_SEC(sbi);
block_t sec_len = roundup(map.m_len, sec_blks);

map.m_len = sec_blks;
@@ -2525,7 +2525,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)
ret = -EAGAIN;
goto out;
}
- range->start += CAP_BLKS_PER_SEC(sbi);
+ range->start += BLKS_PER_SEC(sbi);
if (range->start <= end)
goto do_more;
out:
@@ -2654,7 +2654,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
goto out;
}

- sec_num = DIV_ROUND_UP(total, CAP_BLKS_PER_SEC(sbi));
+ sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));

/*
* make sure there are enough free section for LFS allocation, this can
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index d61a60c1c844..0a1a50b68df8 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -340,14 +340,13 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
unsigned char age = 0;
unsigned char u;
unsigned int i;
- unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi, segno);

- for (i = 0; i < usable_segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, start + i)->mtime;
vblocks = get_valid_blocks(sbi, segno, true);

- mtime = div_u64(mtime, usable_segs_per_sec);
- vblocks = div_u64(vblocks, usable_segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
+ vblocks = div_u64(vblocks, SEGS_PER_SEC(sbi));

u = (vblocks * 100) >> sbi->log_blocks_per_seg;

@@ -530,7 +529,6 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
unsigned long long age, u, accu;
unsigned long long max_mtime = sit_i->dirty_max_mtime;
unsigned long long min_mtime = sit_i->dirty_min_mtime;
- unsigned int sec_blocks = CAP_BLKS_PER_SEC(sbi);
unsigned int vblocks;
unsigned int dirty_threshold = max(am->max_candidate_count,
am->candidate_ratio *
@@ -560,13 +558,13 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,

/* age = 10000 * x% * 60 */
age = div64_u64(accu * (max_mtime - ve->mtime), total_time) *
- age_weight;
+ age_weight;

vblocks = get_valid_blocks(sbi, ve->segno, true);
- f2fs_bug_on(sbi, !vblocks || vblocks == sec_blocks);
+ f2fs_bug_on(sbi, !vblocks || vblocks == BLKS_PER_SEC(sbi));

/* u = 10000 * x% * 40 */
- u = div64_u64(accu * (sec_blocks - vblocks), sec_blocks) *
+ u = div64_u64(accu * (BLKS_PER_SEC(sbi) - vblocks), BLKS_PER_SEC(sbi)) *
(100 - age_weight);

f2fs_bug_on(sbi, age + u >= UINT_MAX);
@@ -1003,7 +1001,6 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
int phase = 0;
bool fggc = (gc_type == FG_GC);
int submitted = 0;
- unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);

start_addr = START_BLOCK(sbi, segno);

@@ -1013,7 +1010,7 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
if (fggc && phase == 2)
atomic_inc(&sbi->wb_sync_req[NODE]);

- for (off = 0; off < usable_blks_in_seg; off++, entry++) {
+ for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
nid_t nid = le32_to_cpu(entry->nid);
struct page *node_page;
struct node_info ni;
@@ -1498,14 +1495,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
int off;
int phase = 0;
int submitted = 0;
- unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);

start_addr = START_BLOCK(sbi, segno);

next_step:
entry = sum;

- for (off = 0; off < usable_blks_in_seg; off++, entry++) {
+ for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
struct page *data_page;
struct inode *inode;
struct node_info dni; /* dnode info for the data */
@@ -1520,7 +1516,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
*/
if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
(!force_migrate && get_valid_blocks(sbi, segno, true) ==
- CAP_BLKS_PER_SEC(sbi)))
+ BLKS_PER_SEC(sbi)))
return submitted;

if (check_valid_map(sbi, segno, off) == 0)
@@ -1680,15 +1676,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
if (__is_large_section(sbi))
end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));

- /*
- * zone-capacity can be less than zone-size in zoned devices,
- * resulting in less than expected usable segments in the zone,
- * calculate the end segno in the zone which can be garbage collected
- */
- if (f2fs_sb_has_blkzoned(sbi))
- end_segno -= SEGS_PER_SEC(sbi) -
- f2fs_usable_segs_in_sec(sbi, segno);
-
sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);

/* readahead multi ssa blocks those have contiguous address */
@@ -1862,7 +1849,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)

total_freed += seg_freed;

- if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) {
+ if (seg_freed == SEGS_PER_SEC(sbi)) {
sec_freed++;
total_sec_freed++;
}
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 28a00942802c..e4a75aa4160f 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -68,34 +68,8 @@ struct victim_entry {
* inline functions
*/

-/*
- * On a Zoned device zone-capacity can be less than zone-size and if
- * zone-capacity is not aligned to f2fs segment size(2MB), then the segment
- * starting just before zone-capacity has some blocks spanning across the
- * zone-capacity, these blocks are not usable.
- * Such spanning segments can be in free list so calculate the sum of usable
- * blocks in currently free segments including normal and spanning segments.
- */
-static inline block_t free_segs_blk_count_zoned(struct f2fs_sb_info *sbi)
-{
- block_t free_seg_blks = 0;
- struct free_segmap_info *free_i = FREE_I(sbi);
- int j;
-
- spin_lock(&free_i->segmap_lock);
- for (j = 0; j < MAIN_SEGS(sbi); j++)
- if (!test_bit(j, free_i->free_segmap))
- free_seg_blks += f2fs_usable_blks_in_seg(sbi, j);
- spin_unlock(&free_i->segmap_lock);
-
- return free_seg_blks;
-}
-
static inline block_t free_segs_blk_count(struct f2fs_sb_info *sbi)
{
- if (f2fs_sb_has_blkzoned(sbi))
- return free_segs_blk_count_zoned(sbi);
-
return free_segments(sbi) << sbi->log_blocks_per_seg;
}

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 8d330664b925..1013276ad12a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -769,7 +769,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
get_valid_blocks(sbi, segno, true);

f2fs_bug_on(sbi, unlikely(!valid_blocks ||
- valid_blocks == CAP_BLKS_PER_SEC(sbi)));
+ valid_blocks == BLKS_PER_SEC(sbi)));

if (!IS_CURSEC(sbi, secno))
set_bit(secno, dirty_i->dirty_secmap);
@@ -805,7 +805,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);

if (!valid_blocks ||
- valid_blocks == CAP_BLKS_PER_SEC(sbi)) {
+ valid_blocks == BLKS_PER_SEC(sbi)) {
clear_bit(secno, dirty_i->dirty_secmap);
return;
}
@@ -825,22 +825,20 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
unsigned short valid_blocks, ckpt_valid_blocks;
- unsigned int usable_blocks;

if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
return;

- usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
mutex_lock(&dirty_i->seglist_lock);

valid_blocks = get_valid_blocks(sbi, segno, false);
ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);

if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
- ckpt_valid_blocks == usable_blocks)) {
+ ckpt_valid_blocks == BLKS_PER_SEG(sbi))) {
__locate_dirty_segment(sbi, segno, PRE);
__remove_dirty_segment(sbi, segno, DIRTY);
- } else if (valid_blocks < usable_blocks) {
+ } else if (valid_blocks < BLKS_PER_SEG(sbi)) {
__locate_dirty_segment(sbi, segno, DIRTY);
} else {
/* Recovery routine with SSR needs this */
@@ -882,12 +880,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
mutex_lock(&dirty_i->seglist_lock);
for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
se = get_seg_entry(sbi, segno);
- if (IS_NODESEG(se->type))
- holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
- se->valid_blocks;
- else
- holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
- se->valid_blocks;
+ holes[SE_PAGETYPE(se)] += BLKS_PER_SEG(sbi) - se->valid_blocks;
}
mutex_unlock(&dirty_i->seglist_lock);

@@ -2406,8 +2399,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
new_vblocks = se->valid_blocks + del;
offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);

- f2fs_bug_on(sbi, (new_vblocks < 0 ||
- (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
+ f2fs_bug_on(sbi, new_vblocks < 0 || new_vblocks > BLKS_PER_SEG(sbi));

se->valid_blocks = new_vblocks;

@@ -3449,7 +3441,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
f2fs_randomize_chunk(sbi, curseg);
}
- if (curseg->next_blkoff >= f2fs_usable_blks_in_seg(sbi, curseg->segno))
+ if (curseg->next_blkoff >= BLKS_PER_SEG(sbi))
segment_full = true;
stat_inc_block_count(sbi, curseg);

@@ -4687,8 +4679,6 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
struct seg_entry *sentry;

for (start = 0; start < MAIN_SEGS(sbi); start++) {
- if (f2fs_usable_blks_in_seg(sbi, start) == 0)
- continue;
sentry = get_seg_entry(sbi, start);
if (!sentry->valid_blocks)
__set_free(sbi, start);
@@ -4710,7 +4700,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
struct free_segmap_info *free_i = FREE_I(sbi);
unsigned int segno = 0, offset = 0, secno;
- block_t valid_blocks, usable_blks_in_seg;
+ block_t valid_blocks;

while (1) {
/* find dirty segment based on free segmap */
@@ -4719,10 +4709,9 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
break;
offset = segno + 1;
valid_blocks = get_valid_blocks(sbi, segno, false);
- usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
- if (valid_blocks == usable_blks_in_seg || !valid_blocks)
+ if (valid_blocks == BLKS_PER_SEG(sbi) || !valid_blocks)
continue;
- if (valid_blocks > usable_blks_in_seg) {
+ if (valid_blocks > BLKS_PER_SEG(sbi)) {
f2fs_bug_on(sbi, 1);
continue;
}
@@ -4739,7 +4728,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
valid_blocks = get_valid_blocks(sbi, segno, true);
secno = GET_SEC_FROM_SEG(sbi, segno);

- if (!valid_blocks || valid_blocks == CAP_BLKS_PER_SEC(sbi))
+ if (!valid_blocks || valid_blocks == BLKS_PER_SEC(sbi))
continue;
if (IS_CURSEC(sbi, secno))
continue;
@@ -5097,42 +5086,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)

return 0;
}
-
-/*
- * Return the number of usable blocks in a segment. The number of blocks
- * returned is always equal to the number of blocks in a segment for
- * segments fully contained within a sequential zone capacity or a
- * conventional zone. For segments partially contained in a sequential
- * zone capacity, the number of usable blocks up to the zone capacity
- * is returned. 0 is returned in all other cases.
- */
-static inline unsigned int f2fs_usable_zone_blks_in_seg(
- struct f2fs_sb_info *sbi, unsigned int segno)
-{
- block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
- unsigned int secno;
-
- if (!sbi->unusable_blocks_per_sec)
- return BLKS_PER_SEG(sbi);
-
- secno = GET_SEC_FROM_SEG(sbi, segno);
- seg_start = START_BLOCK(sbi, segno);
- sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
- sec_cap_blkaddr = sec_start_blkaddr + CAP_BLKS_PER_SEC(sbi);
-
- /*
- * If segment starts before zone capacity and spans beyond
- * zone capacity, then usable blocks are from seg start to
- * zone capacity. If the segment starts after the zone capacity,
- * then there are no usable blocks.
- */
- if (seg_start >= sec_cap_blkaddr)
- return 0;
- if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
- return sec_cap_blkaddr - seg_start;
-
- return BLKS_PER_SEG(sbi);
-}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
{
@@ -5143,31 +5096,7 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
{
return 0;
}
-
-static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
- unsigned int segno)
-{
- return 0;
-}
-
#endif
-unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
- unsigned int segno)
-{
- if (f2fs_sb_has_blkzoned(sbi))
- return f2fs_usable_zone_blks_in_seg(sbi, segno);
-
- return BLKS_PER_SEG(sbi);
-}
-
-unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
- unsigned int segno)
-{
- if (f2fs_sb_has_blkzoned(sbi))
- return CAP_SEGS_PER_SEC(sbi);
-
- return SEGS_PER_SEC(sbi);
-}

/*
* Update min, max modified time for cost-benefit GC algorithm
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 96cec83012f1..b725ae1a7043 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -99,12 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
((!__is_valid_data_blkaddr(blk_addr)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define CAP_BLKS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
- (sbi)->unusable_blocks_per_sec)
-#define CAP_SEGS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
- (sbi)->log_blocks_per_seg))
#define GET_SEC_FROM_SEG(sbi, segno) \
(((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
#define GET_SEG_FROM_SEC(sbi, secno) \
@@ -440,7 +434,6 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
- unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);

spin_lock(&free_i->segmap_lock);
clear_bit(segno, free_i->free_segmap);
@@ -448,7 +441,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)

next = find_next_bit(free_i->free_segmap,
start_segno + SEGS_PER_SEC(sbi), start_segno);
- if (next >= start_segno + usable_segs) {
+ if (next >= start_segno + SEGS_PER_SEC(sbi)) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
}
@@ -474,7 +467,6 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
- unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);

spin_lock(&free_i->segmap_lock);
if (test_and_clear_bit(segno, free_i->free_segmap)) {
@@ -484,7 +476,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
goto skip_free;
next = find_next_bit(free_i->free_segmap,
start_segno + SEGS_PER_SEC(sbi), start_segno);
- if (next >= start_segno + usable_segs) {
+ if (next >= start_segno + SEGS_PER_SEC(sbi)) {
if (test_and_clear_bit(secno, free_i->free_secmap))
free_i->free_sections++;
}
@@ -577,16 +569,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
/* check current node segment */
for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
segno = CURSEG_I(sbi, i)->segno;
- left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
+ left_blocks = BLKS_PER_SEG(sbi) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
-
if (node_blocks > left_blocks)
return false;
}

/* check current data segment */
segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
- left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
+ left_blocks = BLKS_PER_SEG(sbi) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
if (dent_blocks > left_blocks)
return false;
@@ -604,10 +595,10 @@ static inline void __get_secs_required(struct f2fs_sb_info *sbi,
get_pages(sbi, F2FS_DIRTY_DENTS) +
get_pages(sbi, F2FS_DIRTY_IMETA);
unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
- unsigned int node_secs = total_node_blocks / CAP_BLKS_PER_SEC(sbi);
- unsigned int dent_secs = total_dent_blocks / CAP_BLKS_PER_SEC(sbi);
- unsigned int node_blocks = total_node_blocks % CAP_BLKS_PER_SEC(sbi);
- unsigned int dent_blocks = total_dent_blocks % CAP_BLKS_PER_SEC(sbi);
+ unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
+ unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
+ unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
+ unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);

if (lower_p)
*lower_p = node_secs + dent_secs;
@@ -766,22 +757,21 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
int valid_blocks = 0;
int cur_pos = 0, next_pos;
- unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);

/* check bitmap with valid block count */
do {
if (is_valid) {
next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
- usable_blks_per_seg,
+ BLKS_PER_SEG(sbi),
cur_pos);
valid_blocks += next_pos - cur_pos;
} else
next_pos = find_next_bit_le(&raw_sit->valid_map,
- usable_blks_per_seg,
+ BLKS_PER_SEG(sbi),
cur_pos);
cur_pos = next_pos;
is_valid = !is_valid;
- } while (cur_pos < usable_blks_per_seg);
+ } while (cur_pos < BLKS_PER_SEG(sbi));

if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
@@ -791,14 +781,9 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
return -EFSCORRUPTED;
}

- if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
- f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
- BLKS_PER_SEG(sbi),
- usable_blks_per_seg) != BLKS_PER_SEG(sbi));
-
/* check segment usage, and check boundary of a given segment number */
- if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
- || !valid_main_segno(sbi, segno))) {
+ if (unlikely(GET_SIT_VBLOCKS(raw_sit) > BLKS_PER_SEG(sbi) ||
+ !valid_main_segno(sbi, segno))) {
f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
GET_SIT_VBLOCKS(raw_sit), segno);
set_sbi_flag(sbi, SBI_NEED_FSCK);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index c0688c124aa7..cd6a56020a5d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3837,21 +3837,13 @@ static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx,
void *data)
{
struct f2fs_report_zones_args *rz_args = data;
- block_t unusable_blocks = (zone->len - zone->capacity) >>
- F2FS_LOG_SECTORS_PER_BLOCK;

- if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
- return 0;
-
- set_bit(idx, rz_args->dev->blkz_seq);
- if (!rz_args->sbi->unusable_blocks_per_sec) {
- rz_args->sbi->unusable_blocks_per_sec = unusable_blocks;
- return 0;
- }
- if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) {
- f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n");
+ if (zone->len != zone->capacity) {
+ f2fs_err(rz_args->sbi, "F2FS does not support zone capacity.\n");
return -EINVAL;
}
+ if (zone->type != BLK_ZONE_TYPE_CONVENTIONAL)
+ set_bit(idx, rz_args->dev->blkz_seq);
return 0;
}

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 906d2af2d849..2689cc9c3bf8 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -1018,9 +1018,6 @@ F2FS_SBI_GENERAL_RW_ATTR(revoked_atomic_block);
F2FS_SBI_GENERAL_RW_ATTR(hot_data_age_threshold);
F2FS_SBI_GENERAL_RW_ATTR(warm_data_age_threshold);
F2FS_SBI_GENERAL_RW_ATTR(last_age_weight);
-#ifdef CONFIG_BLK_DEV_ZONED
-F2FS_SBI_GENERAL_RO_ATTR(unusable_blocks_per_sec);
-#endif

/* STAT_INFO ATTR */
#ifdef CONFIG_F2FS_STAT_FS
@@ -1172,9 +1169,6 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(moved_blocks_background),
ATTR_LIST(avg_vblocks),
#endif
-#ifdef CONFIG_BLK_DEV_ZONED
- ATTR_LIST(unusable_blocks_per_sec),
-#endif
#ifdef CONFIG_F2FS_FS_COMPRESSION
ATTR_LIST(compr_written_block),
ATTR_LIST(compr_saved_block),
--
2.43.0.594.gd9cf4e227d-goog

2024-02-07 23:51:33

by Daeho Jeong

Subject: Re: [f2fs-dev] [PATCH 3/3 v2] f2fs: kill zone-capacity support

Reviewed-by: Daeho Jeong <[email protected]>

On Wed, Feb 7, 2024 at 3:31 PM Jaegeuk Kim <[email protected]> wrote:
>
> Since we don't see any user, let's kill.
>
> Signed-off-by: Jaegeuk Kim <[email protected]>
> ---
>
> from v1:
> - keep setting the seq bit
>
> Documentation/ABI/testing/sysfs-fs-f2fs | 6 --
> fs/f2fs/debug.c | 7 +-
> fs/f2fs/f2fs.h | 5 --
> fs/f2fs/file.c | 6 +-
> fs/f2fs/gc.c | 33 +++------
> fs/f2fs/gc.h | 26 -------
> fs/f2fs/segment.c | 93 +++----------------------
> fs/f2fs/segment.h | 41 ++++-------
> fs/f2fs/super.c | 16 ++---
> fs/f2fs/sysfs.c | 6 --
> 10 files changed, 44 insertions(+), 195 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
> index 48c135e24eb5..dff8c87d87dd 100644
> --- a/Documentation/ABI/testing/sysfs-fs-f2fs
> +++ b/Documentation/ABI/testing/sysfs-fs-f2fs
> @@ -628,12 +628,6 @@ Contact: "Jaegeuk Kim" <[email protected]>
> Description: Controls max # of node block writes to be used for roll forward
> recovery. This can limit the roll forward recovery time.
>
> -What: /sys/fs/f2fs/<disk>/unusable_blocks_per_sec
> -Date: June 2022
> -Contact: "Jaegeuk Kim" <[email protected]>
> -Description: Shows the number of unusable blocks in a section which was defined by
> - the zone capacity reported by underlying zoned device.
> -
> What: /sys/fs/f2fs/<disk>/current_atomic_write
> Date: July 2022
> Contact: "Daeho Jeong" <[email protected]>
> diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
> index 0d02224b99b7..6617195bd27e 100644
> --- a/fs/f2fs/debug.c
> +++ b/fs/f2fs/debug.c
> @@ -32,21 +32,20 @@ static struct dentry *f2fs_debugfs_root;
> void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
> {
> struct f2fs_stat_info *si = F2FS_STAT(sbi);
> - unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
> + unsigned long long hblks_per_sec, total_vblocks;
> unsigned long long bimodal, dist;
> unsigned int segno, vblocks;
> int ndirty = 0;
>
> bimodal = 0;
> total_vblocks = 0;
> - blks_per_sec = CAP_BLKS_PER_SEC(sbi);
> - hblks_per_sec = blks_per_sec / 2;
> + hblks_per_sec = BLKS_PER_SEC(sbi) / 2;
> for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> vblocks = get_valid_blocks(sbi, segno, true);
> dist = abs(vblocks - hblks_per_sec);
> bimodal += dist * dist;
>
> - if (vblocks > 0 && vblocks < blks_per_sec) {
> + if (vblocks > 0 && vblocks < BLKS_PER_SEC(sbi)) {
> total_vblocks += vblocks;
> ndirty++;
> }
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 9a9e858083af..34d718301392 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -1618,7 +1618,6 @@ struct f2fs_sb_info {
> unsigned int meta_ino_num; /* meta inode number*/
> unsigned int log_blocks_per_seg; /* log2 blocks per segment */
> unsigned int blocks_per_seg; /* blocks per segment */
> - unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
> unsigned int segs_per_sec; /* segments per section */
> unsigned int secs_per_zone; /* sections per zone */
> unsigned int total_sections; /* total section count */
> @@ -3743,10 +3742,6 @@ void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
> int __init f2fs_create_segment_manager_caches(void);
> void f2fs_destroy_segment_manager_caches(void);
> int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
> -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> - unsigned int segno);
> -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno);
>
> #define DEF_FRAGMENT_SIZE 4
> #define MIN_FRAGMENT_SIZE 1
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index b0be576b2090..2c13b340c8a0 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -1717,7 +1717,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
> return 0;
>
> if (f2fs_is_pinned_file(inode)) {
> - block_t sec_blks = CAP_BLKS_PER_SEC(sbi);
> + block_t sec_blks = BLKS_PER_SEC(sbi);
> block_t sec_len = roundup(map.m_len, sec_blks);
>
> map.m_len = sec_blks;
> @@ -2525,7 +2525,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)
> ret = -EAGAIN;
> goto out;
> }
> - range->start += CAP_BLKS_PER_SEC(sbi);
> + range->start += BLKS_PER_SEC(sbi);
> if (range->start <= end)
> goto do_more;
> out:
> @@ -2654,7 +2654,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
> goto out;
> }
>
> - sec_num = DIV_ROUND_UP(total, CAP_BLKS_PER_SEC(sbi));
> + sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));
>
> /*
> * make sure there are enough free section for LFS allocation, this can
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index d61a60c1c844..0a1a50b68df8 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -340,14 +340,13 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
> unsigned char age = 0;
> unsigned char u;
> unsigned int i;
> - unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi, segno);
>
> - for (i = 0; i < usable_segs_per_sec; i++)
> + for (i = 0; i < SEGS_PER_SEC(sbi); i++)
> mtime += get_seg_entry(sbi, start + i)->mtime;
> vblocks = get_valid_blocks(sbi, segno, true);
>
> - mtime = div_u64(mtime, usable_segs_per_sec);
> - vblocks = div_u64(vblocks, usable_segs_per_sec);
> + mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
> + vblocks = div_u64(vblocks, SEGS_PER_SEC(sbi));
>
> u = (vblocks * 100) >> sbi->log_blocks_per_seg;
>
> @@ -530,7 +529,6 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
> unsigned long long age, u, accu;
> unsigned long long max_mtime = sit_i->dirty_max_mtime;
> unsigned long long min_mtime = sit_i->dirty_min_mtime;
> - unsigned int sec_blocks = CAP_BLKS_PER_SEC(sbi);
> unsigned int vblocks;
> unsigned int dirty_threshold = max(am->max_candidate_count,
> am->candidate_ratio *
> @@ -560,13 +558,13 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
>
> /* age = 10000 * x% * 60 */
> age = div64_u64(accu * (max_mtime - ve->mtime), total_time) *
> - age_weight;
> + age_weight;
>
> vblocks = get_valid_blocks(sbi, ve->segno, true);
> - f2fs_bug_on(sbi, !vblocks || vblocks == sec_blocks);
> + f2fs_bug_on(sbi, !vblocks || vblocks == BLKS_PER_SEC(sbi));
>
> /* u = 10000 * x% * 40 */
> - u = div64_u64(accu * (sec_blocks - vblocks), sec_blocks) *
> + u = div64_u64(accu * (BLKS_PER_SEC(sbi) - vblocks), BLKS_PER_SEC(sbi)) *
> (100 - age_weight);
>
> f2fs_bug_on(sbi, age + u >= UINT_MAX);
> @@ -1003,7 +1001,6 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> int phase = 0;
> bool fggc = (gc_type == FG_GC);
> int submitted = 0;
> - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> start_addr = START_BLOCK(sbi, segno);
>
> @@ -1013,7 +1010,7 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> if (fggc && phase == 2)
> atomic_inc(&sbi->wb_sync_req[NODE]);
>
> - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> nid_t nid = le32_to_cpu(entry->nid);
> struct page *node_page;
> struct node_info ni;
> @@ -1498,14 +1495,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> int off;
> int phase = 0;
> int submitted = 0;
> - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> start_addr = START_BLOCK(sbi, segno);
>
> next_step:
> entry = sum;
>
> - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> struct page *data_page;
> struct inode *inode;
> struct node_info dni; /* dnode info for the data */
> @@ -1520,7 +1516,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> */
> if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
> (!force_migrate && get_valid_blocks(sbi, segno, true) ==
> - CAP_BLKS_PER_SEC(sbi)))
> + BLKS_PER_SEC(sbi)))
> return submitted;
>
> if (check_valid_map(sbi, segno, off) == 0)
> @@ -1680,15 +1676,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> if (__is_large_section(sbi))
> end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));
>
> - /*
> - * zone-capacity can be less than zone-size in zoned devices,
> - * resulting in less than expected usable segments in the zone,
> - * calculate the end segno in the zone which can be garbage collected
> - */
> - if (f2fs_sb_has_blkzoned(sbi))
> - end_segno -= SEGS_PER_SEC(sbi) -
> - f2fs_usable_segs_in_sec(sbi, segno);
> -
> sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
>
> /* readahead multi ssa blocks those have contiguous address */
> @@ -1862,7 +1849,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
>
> total_freed += seg_freed;
>
> - if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) {
> + if (seg_freed == SEGS_PER_SEC(sbi)) {
> sec_freed++;
> total_sec_freed++;
> }
> diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
> index 28a00942802c..e4a75aa4160f 100644
> --- a/fs/f2fs/gc.h
> +++ b/fs/f2fs/gc.h
> @@ -68,34 +68,8 @@ struct victim_entry {
> * inline functions
> */
>
> -/*
> - * On a Zoned device zone-capacity can be less than zone-size and if
> - * zone-capacity is not aligned to f2fs segment size(2MB), then the segment
> - * starting just before zone-capacity has some blocks spanning across the
> - * zone-capacity, these blocks are not usable.
> - * Such spanning segments can be in free list so calculate the sum of usable
> - * blocks in currently free segments including normal and spanning segments.
> - */
> -static inline block_t free_segs_blk_count_zoned(struct f2fs_sb_info *sbi)
> -{
> - block_t free_seg_blks = 0;
> - struct free_segmap_info *free_i = FREE_I(sbi);
> - int j;
> -
> - spin_lock(&free_i->segmap_lock);
> - for (j = 0; j < MAIN_SEGS(sbi); j++)
> - if (!test_bit(j, free_i->free_segmap))
> - free_seg_blks += f2fs_usable_blks_in_seg(sbi, j);
> - spin_unlock(&free_i->segmap_lock);
> -
> - return free_seg_blks;
> -}
> -
> static inline block_t free_segs_blk_count(struct f2fs_sb_info *sbi)
> {
> - if (f2fs_sb_has_blkzoned(sbi))
> - return free_segs_blk_count_zoned(sbi);
> -
> return free_segments(sbi) << sbi->log_blocks_per_seg;
> }
>
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 8d330664b925..1013276ad12a 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -769,7 +769,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> get_valid_blocks(sbi, segno, true);
>
> f2fs_bug_on(sbi, unlikely(!valid_blocks ||
> - valid_blocks == CAP_BLKS_PER_SEC(sbi)));
> + valid_blocks == BLKS_PER_SEC(sbi)));
>
> if (!IS_CURSEC(sbi, secno))
> set_bit(secno, dirty_i->dirty_secmap);
> @@ -805,7 +805,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
>
> if (!valid_blocks ||
> - valid_blocks == CAP_BLKS_PER_SEC(sbi)) {
> + valid_blocks == BLKS_PER_SEC(sbi)) {
> clear_bit(secno, dirty_i->dirty_secmap);
> return;
> }
> @@ -825,22 +825,20 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
> {
> struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> unsigned short valid_blocks, ckpt_valid_blocks;
> - unsigned int usable_blocks;
>
> if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
> return;
>
> - usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
> mutex_lock(&dirty_i->seglist_lock);
>
> valid_blocks = get_valid_blocks(sbi, segno, false);
> ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);
>
> if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
> - ckpt_valid_blocks == usable_blocks)) {
> + ckpt_valid_blocks == BLKS_PER_SEG(sbi))) {
> __locate_dirty_segment(sbi, segno, PRE);
> __remove_dirty_segment(sbi, segno, DIRTY);
> - } else if (valid_blocks < usable_blocks) {
> + } else if (valid_blocks < BLKS_PER_SEG(sbi)) {
> __locate_dirty_segment(sbi, segno, DIRTY);
> } else {
> /* Recovery routine with SSR needs this */
> @@ -882,12 +880,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
> mutex_lock(&dirty_i->seglist_lock);
> for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
> se = get_seg_entry(sbi, segno);
> - if (IS_NODESEG(se->type))
> - holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
> - se->valid_blocks;
> - else
> - holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
> - se->valid_blocks;
> + holes[SE_PAGETYPE(se)] += BLKS_PER_SEG(sbi) - se->valid_blocks;
> }
> mutex_unlock(&dirty_i->seglist_lock);
>
> @@ -2406,8 +2399,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
> new_vblocks = se->valid_blocks + del;
> offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
>
> - f2fs_bug_on(sbi, (new_vblocks < 0 ||
> - (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
> + f2fs_bug_on(sbi, new_vblocks < 0 || new_vblocks > BLKS_PER_SEG(sbi));
>
> se->valid_blocks = new_vblocks;
>
> @@ -3449,7 +3441,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
> if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
> f2fs_randomize_chunk(sbi, curseg);
> }
> - if (curseg->next_blkoff >= f2fs_usable_blks_in_seg(sbi, curseg->segno))
> + if (curseg->next_blkoff >= BLKS_PER_SEG(sbi))
> segment_full = true;
> stat_inc_block_count(sbi, curseg);
>
> @@ -4687,8 +4679,6 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
> struct seg_entry *sentry;
>
> for (start = 0; start < MAIN_SEGS(sbi); start++) {
> - if (f2fs_usable_blks_in_seg(sbi, start) == 0)
> - continue;
> sentry = get_seg_entry(sbi, start);
> if (!sentry->valid_blocks)
> __set_free(sbi, start);
> @@ -4710,7 +4700,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> struct free_segmap_info *free_i = FREE_I(sbi);
> unsigned int segno = 0, offset = 0, secno;
> - block_t valid_blocks, usable_blks_in_seg;
> + block_t valid_blocks;
>
> while (1) {
> /* find dirty segment based on free segmap */
> @@ -4719,10 +4709,9 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> break;
> offset = segno + 1;
> valid_blocks = get_valid_blocks(sbi, segno, false);
> - usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
> - if (valid_blocks == usable_blks_in_seg || !valid_blocks)
> + if (valid_blocks == BLKS_PER_SEG(sbi) || !valid_blocks)
> continue;
> - if (valid_blocks > usable_blks_in_seg) {
> + if (valid_blocks > BLKS_PER_SEG(sbi)) {
> f2fs_bug_on(sbi, 1);
> continue;
> }
> @@ -4739,7 +4728,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> valid_blocks = get_valid_blocks(sbi, segno, true);
> secno = GET_SEC_FROM_SEG(sbi, segno);
>
> - if (!valid_blocks || valid_blocks == CAP_BLKS_PER_SEC(sbi))
> + if (!valid_blocks || valid_blocks == BLKS_PER_SEC(sbi))
> continue;
> if (IS_CURSEC(sbi, secno))
> continue;
> @@ -5097,42 +5086,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
>
> return 0;
> }
> -
> -/*
> - * Return the number of usable blocks in a segment. The number of blocks
> - * returned is always equal to the number of blocks in a segment for
> - * segments fully contained within a sequential zone capacity or a
> - * conventional zone. For segments partially contained in a sequential
> - * zone capacity, the number of usable blocks up to the zone capacity
> - * is returned. 0 is returned in all other cases.
> - */
> -static inline unsigned int f2fs_usable_zone_blks_in_seg(
> - struct f2fs_sb_info *sbi, unsigned int segno)
> -{
> - block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
> - unsigned int secno;
> -
> - if (!sbi->unusable_blocks_per_sec)
> - return BLKS_PER_SEG(sbi);
> -
> - secno = GET_SEC_FROM_SEG(sbi, segno);
> - seg_start = START_BLOCK(sbi, segno);
> - sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
> - sec_cap_blkaddr = sec_start_blkaddr + CAP_BLKS_PER_SEC(sbi);
> -
> - /*
> - * If segment starts before zone capacity and spans beyond
> - * zone capacity, then usable blocks are from seg start to
> - * zone capacity. If the segment starts after the zone capacity,
> - * then there are no usable blocks.
> - */
> - if (seg_start >= sec_cap_blkaddr)
> - return 0;
> - if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
> - return sec_cap_blkaddr - seg_start;
> -
> - return BLKS_PER_SEG(sbi);
> -}
> #else
> int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
> {
> @@ -5143,31 +5096,7 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
> {
> return 0;
> }
> -
> -static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - return 0;
> -}
> -
> #endif
> -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - if (f2fs_sb_has_blkzoned(sbi))
> - return f2fs_usable_zone_blks_in_seg(sbi, segno);
> -
> - return BLKS_PER_SEG(sbi);
> -}
> -
> -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - if (f2fs_sb_has_blkzoned(sbi))
> - return CAP_SEGS_PER_SEC(sbi);
> -
> - return SEGS_PER_SEC(sbi);
> -}
>
> /*
> * Update min, max modified time for cost-benefit GC algorithm
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index 96cec83012f1..b725ae1a7043 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -99,12 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
> ((!__is_valid_data_blkaddr(blk_addr)) ? \
> NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
> GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
> -#define CAP_BLKS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
> - (sbi)->unusable_blocks_per_sec)
> -#define CAP_SEGS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
> - (sbi)->log_blocks_per_seg))
> #define GET_SEC_FROM_SEG(sbi, segno) \
> (((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
> #define GET_SEG_FROM_SEC(sbi, secno) \
> @@ -440,7 +434,6 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> unsigned int next;
> - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
>
> spin_lock(&free_i->segmap_lock);
> clear_bit(segno, free_i->free_segmap);
> @@ -448,7 +441,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
>
> next = find_next_bit(free_i->free_segmap,
> start_segno + SEGS_PER_SEC(sbi), start_segno);
> - if (next >= start_segno + usable_segs) {
> + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> clear_bit(secno, free_i->free_secmap);
> free_i->free_sections++;
> }
> @@ -474,7 +467,6 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> unsigned int next;
> - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
>
> spin_lock(&free_i->segmap_lock);
> if (test_and_clear_bit(segno, free_i->free_segmap)) {
> @@ -484,7 +476,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> goto skip_free;
> next = find_next_bit(free_i->free_segmap,
> start_segno + SEGS_PER_SEC(sbi), start_segno);
> - if (next >= start_segno + usable_segs) {
> + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> if (test_and_clear_bit(secno, free_i->free_secmap))
> free_i->free_sections++;
> }
> @@ -577,16 +569,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
> /* check current node segment */
> for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
> segno = CURSEG_I(sbi, i)->segno;
> - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> + left_blocks = BLKS_PER_SEG(sbi) -
> get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> -
> if (node_blocks > left_blocks)
> return false;
> }
>
> /* check current data segment */
> segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
> - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> + left_blocks = BLKS_PER_SEG(sbi) -
> get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> if (dent_blocks > left_blocks)
> return false;
> @@ -604,10 +595,10 @@ static inline void __get_secs_required(struct f2fs_sb_info *sbi,
> get_pages(sbi, F2FS_DIRTY_DENTS) +
> get_pages(sbi, F2FS_DIRTY_IMETA);
> unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
> - unsigned int node_secs = total_node_blocks / CAP_BLKS_PER_SEC(sbi);
> - unsigned int dent_secs = total_dent_blocks / CAP_BLKS_PER_SEC(sbi);
> - unsigned int node_blocks = total_node_blocks % CAP_BLKS_PER_SEC(sbi);
> - unsigned int dent_blocks = total_dent_blocks % CAP_BLKS_PER_SEC(sbi);
> + unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
> + unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
> + unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
> + unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);
>
> if (lower_p)
> *lower_p = node_secs + dent_secs;
> @@ -766,22 +757,21 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
> int valid_blocks = 0;
> int cur_pos = 0, next_pos;
> - unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> /* check bitmap with valid block count */
> do {
> if (is_valid) {
> next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
> - usable_blks_per_seg,
> + BLKS_PER_SEG(sbi),
> cur_pos);
> valid_blocks += next_pos - cur_pos;
> } else
> next_pos = find_next_bit_le(&raw_sit->valid_map,
> - usable_blks_per_seg,
> + BLKS_PER_SEG(sbi),
> cur_pos);
> cur_pos = next_pos;
> is_valid = !is_valid;
> - } while (cur_pos < usable_blks_per_seg);
> + } while (cur_pos < BLKS_PER_SEG(sbi));
>
> if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
> f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
> @@ -791,14 +781,9 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> return -EFSCORRUPTED;
> }
>
> - if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
> - f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
> - BLKS_PER_SEG(sbi),
> - usable_blks_per_seg) != BLKS_PER_SEG(sbi));
> -
> /* check segment usage, and check boundary of a given segment number */
> - if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
> - || !valid_main_segno(sbi, segno))) {
> + if (unlikely(GET_SIT_VBLOCKS(raw_sit) > BLKS_PER_SEG(sbi) ||
> + !valid_main_segno(sbi, segno))) {
> f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
> GET_SIT_VBLOCKS(raw_sit), segno);
> set_sbi_flag(sbi, SBI_NEED_FSCK);
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index c0688c124aa7..cd6a56020a5d 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -3837,21 +3837,13 @@ static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx,
> void *data)
> {
> struct f2fs_report_zones_args *rz_args = data;
> - block_t unusable_blocks = (zone->len - zone->capacity) >>
> - F2FS_LOG_SECTORS_PER_BLOCK;
>
> - if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
> - return 0;
> -
> - set_bit(idx, rz_args->dev->blkz_seq);
> - if (!rz_args->sbi->unusable_blocks_per_sec) {
> - rz_args->sbi->unusable_blocks_per_sec = unusable_blocks;
> - return 0;
> - }
> - if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) {
> - f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n");
> + if (zone->len != zone->capacity) {
> + f2fs_err(rz_args->sbi, "F2FS does not support zone capacity.\n");
> return -EINVAL;
> }
> + if (zone->type != BLK_ZONE_TYPE_CONVENTIONAL)
> + set_bit(idx, rz_args->dev->blkz_seq);
> return 0;
> }
>
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 906d2af2d849..2689cc9c3bf8 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -1018,9 +1018,6 @@ F2FS_SBI_GENERAL_RW_ATTR(revoked_atomic_block);
> F2FS_SBI_GENERAL_RW_ATTR(hot_data_age_threshold);
> F2FS_SBI_GENERAL_RW_ATTR(warm_data_age_threshold);
> F2FS_SBI_GENERAL_RW_ATTR(last_age_weight);
> -#ifdef CONFIG_BLK_DEV_ZONED
> -F2FS_SBI_GENERAL_RO_ATTR(unusable_blocks_per_sec);
> -#endif
>
> /* STAT_INFO ATTR */
> #ifdef CONFIG_F2FS_STAT_FS
> @@ -1172,9 +1169,6 @@ static struct attribute *f2fs_attrs[] = {
> ATTR_LIST(moved_blocks_background),
> ATTR_LIST(avg_vblocks),
> #endif
> -#ifdef CONFIG_BLK_DEV_ZONED
> - ATTR_LIST(unusable_blocks_per_sec),
> -#endif
> #ifdef CONFIG_F2FS_FS_COMPRESSION
> ATTR_LIST(compr_written_block),
> ATTR_LIST(compr_saved_block),
> --
> 2.43.0.594.gd9cf4e227d-goog
>
>
>
> _______________________________________________
> Linux-f2fs-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

2024-02-07 23:51:59

by Daeho Jeong

Subject: Re: [f2fs-dev] [PATCH 2/3] f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC

Reviewed-by: Daeho Jeong <[email protected]>

On Tue, Feb 6, 2024 at 4:55 PM Jaegeuk Kim <[email protected]> wrote:
>
> No functional change.
>
> Signed-off-by: Jaegeuk Kim <[email protected]>
> ---
> fs/f2fs/checkpoint.c | 10 ++--
> fs/f2fs/debug.c | 6 +--
> fs/f2fs/f2fs.h | 19 +++++---
> fs/f2fs/file.c | 12 ++---
> fs/f2fs/gc.c | 40 ++++++++--------
> fs/f2fs/node.c | 4 +-
> fs/f2fs/node.h | 4 +-
> fs/f2fs/recovery.c | 2 +-
> fs/f2fs/segment.c | 109 +++++++++++++++++++++----------------------
> fs/f2fs/segment.h | 18 ++++---
> fs/f2fs/super.c | 8 ++--
> fs/f2fs/sysfs.c | 6 +--
> 12 files changed, 119 insertions(+), 119 deletions(-)
>
> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
> index b85820e70f5e..a09a9609e228 100644
> --- a/fs/f2fs/checkpoint.c
> +++ b/fs/f2fs/checkpoint.c
> @@ -900,7 +900,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
>
> cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);
>
> - if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
> + if (cp_blocks > BLKS_PER_SEG(sbi) || cp_blocks <= F2FS_CP_PACKS) {
> f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
> le32_to_cpu(cp_block->cp_pack_total_block_count));
> goto invalid_cp;
> @@ -1335,7 +1335,7 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
>
> if (cpc->reason & CP_UMOUNT) {
> if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
> - NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
> + NM_I(sbi)->nat_bits_blocks > BLKS_PER_SEG(sbi)) {
> clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
> f2fs_notice(sbi, "Disable nat_bits due to no space");
> } else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
> @@ -1538,7 +1538,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
> cp_ver |= ((__u64)crc32 << 32);
> *(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);
>
> - blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
> + blk = start_blk + BLKS_PER_SEG(sbi) - nm_i->nat_bits_blocks;
> for (i = 0; i < nm_i->nat_bits_blocks; i++)
> f2fs_update_meta_page(sbi, nm_i->nat_bits +
> (i << F2FS_BLKSIZE_BITS), blk + i);
> @@ -1741,9 +1741,9 @@ void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
> im->ino_num = 0;
> }
>
> - sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
> + sbi->max_orphans = (BLKS_PER_SEG(sbi) - F2FS_CP_PACKS -
> NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
> - F2FS_ORPHANS_PER_BLOCK;
> + F2FS_ORPHANS_PER_BLOCK;
> }
>
> int __init f2fs_create_checkpoint_caches(void)
> diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
> index fdbf994f1271..0d02224b99b7 100644
> --- a/fs/f2fs/debug.c
> +++ b/fs/f2fs/debug.c
> @@ -41,7 +41,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
> total_vblocks = 0;
> blks_per_sec = CAP_BLKS_PER_SEC(sbi);
> hblks_per_sec = blks_per_sec / 2;
> - for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
> + for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> vblocks = get_valid_blocks(sbi, segno, true);
> dist = abs(vblocks - hblks_per_sec);
> bimodal += dist * dist;
> @@ -135,7 +135,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
> si->cur_ckpt_time = sbi->cprc_info.cur_time;
> si->peak_ckpt_time = sbi->cprc_info.peak_time;
> spin_unlock(&sbi->cprc_info.stat_lock);
> - si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
> + si->total_count = (int)sbi->user_block_count / BLKS_PER_SEG(sbi);
> si->rsvd_segs = reserved_segments(sbi);
> si->overp_segs = overprovision_segments(sbi);
> si->valid_count = valid_user_blocks(sbi);
> @@ -208,7 +208,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
> if (!blks)
> continue;
>
> - if (blks == sbi->blocks_per_seg)
> + if (blks == BLKS_PER_SEG(sbi))
> si->full_seg[type]++;
> else
> si->dirty_seg[type]++;
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 4c52136cbc10..9a9e858083af 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -1813,6 +1813,14 @@ struct f2fs_sb_info {
> #endif
> };
>
> +/* Definitions to access f2fs_sb_info */
> +#define BLKS_PER_SEG(sbi) \
> + ((sbi)->blocks_per_seg)
> +#define BLKS_PER_SEC(sbi) \
> + ((sbi)->segs_per_sec << (sbi)->log_blocks_per_seg)
> +#define SEGS_PER_SEC(sbi) \
> + ((sbi)->segs_per_sec)
> +
> __printf(3, 4)
> void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...);
>
> @@ -2511,11 +2519,8 @@ static inline int get_dirty_pages(struct inode *inode)
>
> static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
> {
> - unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
> - unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
> - sbi->log_blocks_per_seg;
> -
> - return segs / sbi->segs_per_sec;
> + return (get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1) /
> + BLKS_PER_SEC(sbi);
> }
>
> static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
> @@ -2579,7 +2584,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
> block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
>
> if (sbi->cur_cp_pack == 2)
> - start_addr += sbi->blocks_per_seg;
> + start_addr += BLKS_PER_SEG(sbi);
> return start_addr;
> }
>
> @@ -2588,7 +2593,7 @@ static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
> block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
>
> if (sbi->cur_cp_pack == 1)
> - start_addr += sbi->blocks_per_seg;
> + start_addr += BLKS_PER_SEG(sbi);
> return start_addr;
> }
>
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index c6cd9474ba2d..b0be576b2090 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -2580,7 +2580,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
> .m_may_create = false };
> struct extent_info ei = {};
> pgoff_t pg_start, pg_end, next_pgofs;
> - unsigned int blk_per_seg = sbi->blocks_per_seg;
> unsigned int total = 0, sec_num;
> block_t blk_end = 0;
> bool fragmented = false;
> @@ -2689,7 +2688,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
> set_inode_flag(inode, FI_SKIP_WRITES);
>
> idx = map.m_lblk;
> - while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
> + while (idx < map.m_lblk + map.m_len &&
> + cnt < BLKS_PER_SEG(sbi)) {
> struct page *page;
>
> page = f2fs_get_lock_data_page(inode, idx, true);
> @@ -2709,7 +2709,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
>
> map.m_lblk = idx;
> check:
> - if (map.m_lblk < pg_end && cnt < blk_per_seg)
> + if (map.m_lblk < pg_end && cnt < BLKS_PER_SEG(sbi))
> goto do_map;
>
> clear_inode_flag(inode, FI_SKIP_WRITES);
> @@ -4081,7 +4081,6 @@ static int f2fs_ioc_decompress_file(struct file *filp)
> struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
> struct f2fs_inode_info *fi = F2FS_I(inode);
> pgoff_t page_idx = 0, last_idx;
> - unsigned int blk_per_seg = sbi->blocks_per_seg;
> int cluster_size = fi->i_cluster_size;
> int count, ret;
>
> @@ -4125,7 +4124,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
> if (ret < 0)
> break;
>
> - if (get_dirty_pages(inode) >= blk_per_seg) {
> + if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
> ret = filemap_fdatawrite(inode->i_mapping);
> if (ret < 0)
> break;
> @@ -4160,7 +4159,6 @@ static int f2fs_ioc_compress_file(struct file *filp)
> struct inode *inode = file_inode(filp);
> struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
> pgoff_t page_idx = 0, last_idx;
> - unsigned int blk_per_seg = sbi->blocks_per_seg;
> int cluster_size = F2FS_I(inode)->i_cluster_size;
> int count, ret;
>
> @@ -4203,7 +4201,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
> if (ret < 0)
> break;
>
> - if (get_dirty_pages(inode) >= blk_per_seg) {
> + if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
> ret = filemap_fdatawrite(inode->i_mapping);
> if (ret < 0)
> break;
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index 6899f434ad68..d61a60c1c844 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -259,7 +259,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
> p->ofs_unit = 1;
> } else {
> p->gc_mode = select_gc_type(sbi, gc_type);
> - p->ofs_unit = sbi->segs_per_sec;
> + p->ofs_unit = SEGS_PER_SEC(sbi);
> if (__is_large_section(sbi)) {
> p->dirty_bitmap = dirty_i->dirty_secmap;
> p->max_search = count_bits(p->dirty_bitmap,
> @@ -282,7 +282,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
>
> /* let's select beginning hot/small space first in no_heap mode*/
> if (f2fs_need_rand_seg(sbi))
> - p->offset = get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
> + p->offset = get_random_u32_below(MAIN_SECS(sbi) *
> + SEGS_PER_SEC(sbi));
> else if (test_opt(sbi, NOHEAP) &&
> (type == CURSEG_HOT_DATA || IS_NODESEG(type)))
> p->offset = 0;
> @@ -295,13 +296,13 @@ static unsigned int get_max_cost(struct f2fs_sb_info *sbi,
> {
> /* SSR allocates in a segment unit */
> if (p->alloc_mode == SSR)
> - return sbi->blocks_per_seg;
> + return BLKS_PER_SEG(sbi);
> else if (p->alloc_mode == AT_SSR)
> return UINT_MAX;
>
> /* LFS */
> if (p->gc_mode == GC_GREEDY)
> - return 2 * sbi->blocks_per_seg * p->ofs_unit;
> + return 2 * BLKS_PER_SEG(sbi) * p->ofs_unit;
> else if (p->gc_mode == GC_CB)
> return UINT_MAX;
> else if (p->gc_mode == GC_AT)
> @@ -496,9 +497,9 @@ static void add_victim_entry(struct f2fs_sb_info *sbi,
> return;
> }
>
> - for (i = 0; i < sbi->segs_per_sec; i++)
> + for (i = 0; i < SEGS_PER_SEC(sbi); i++)
> mtime += get_seg_entry(sbi, start + i)->mtime;
> - mtime = div_u64(mtime, sbi->segs_per_sec);
> + mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
>
> /* Handle if the system time has changed by the user */
> if (mtime < sit_i->min_mtime)
> @@ -599,7 +600,6 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
> unsigned long long age;
> unsigned long long max_mtime = sit_i->dirty_max_mtime;
> unsigned long long min_mtime = sit_i->dirty_min_mtime;
> - unsigned int seg_blocks = sbi->blocks_per_seg;
> unsigned int vblocks;
> unsigned int dirty_threshold = max(am->max_candidate_count,
> am->candidate_ratio *
> @@ -629,7 +629,7 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
> f2fs_bug_on(sbi, !vblocks);
>
> /* rare case */
> - if (vblocks == seg_blocks)
> + if (vblocks == BLKS_PER_SEG(sbi))
> goto skip_node;
>
> iter++;
> @@ -755,7 +755,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
> int ret = 0;
>
> mutex_lock(&dirty_i->seglist_lock);
> - last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec;
> + last_segment = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
>
> p.alloc_mode = alloc_mode;
> p.age = age;
> @@ -896,7 +896,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
> else
> sm->last_victim[p.gc_mode] = segno + p.ofs_unit;
> sm->last_victim[p.gc_mode] %=
> - (MAIN_SECS(sbi) * sbi->segs_per_sec);
> + (MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
> break;
> }
> }
> @@ -1670,7 +1670,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> struct f2fs_summary_block *sum;
> struct blk_plug plug;
> unsigned int segno = start_segno;
> - unsigned int end_segno = start_segno + sbi->segs_per_sec;
> + unsigned int end_segno = start_segno + SEGS_PER_SEC(sbi);
> int seg_freed = 0, migrated = 0;
> unsigned char type = IS_DATASEG(get_seg_entry(sbi, segno)->type) ?
> SUM_TYPE_DATA : SUM_TYPE_NODE;
> @@ -1678,7 +1678,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> int submitted = 0;
>
> if (__is_large_section(sbi))
> - end_segno = rounddown(end_segno, sbi->segs_per_sec);
> + end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));
>
> /*
> * zone-capacity can be less than zone-size in zoned devices,
> @@ -1686,7 +1686,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> * calculate the end segno in the zone which can be garbage collected
> */
> if (f2fs_sb_has_blkzoned(sbi))
> - end_segno -= sbi->segs_per_sec -
> + end_segno -= SEGS_PER_SEC(sbi) -
> f2fs_usable_segs_in_sec(sbi, segno);
>
> sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
> @@ -1986,7 +1986,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
>
> /* Force block allocation for GC */
> MAIN_SECS(sbi) -= secs;
> - start = MAIN_SECS(sbi) * sbi->segs_per_sec;
> + start = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
> end = MAIN_SEGS(sbi) - 1;
>
> mutex_lock(&DIRTY_I(sbi)->seglist_lock);
> @@ -2004,7 +2004,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
> f2fs_allocate_segment_for_resize(sbi, type, start, end);
>
> /* do GC to move out valid blocks in the range */
> - for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
> + for (segno = start; segno <= end; segno += SEGS_PER_SEC(sbi)) {
> struct gc_inode_list gc_list = {
> .ilist = LIST_HEAD_INIT(gc_list.ilist),
> .iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
> @@ -2048,7 +2048,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
> int segment_count;
> int segment_count_main;
> long long block_count;
> - int segs = secs * sbi->segs_per_sec;
> + int segs = secs * SEGS_PER_SEC(sbi);
>
> f2fs_down_write(&sbi->sb_lock);
>
> @@ -2061,7 +2061,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
> raw_sb->segment_count = cpu_to_le32(segment_count + segs);
> raw_sb->segment_count_main = cpu_to_le32(segment_count_main + segs);
> raw_sb->block_count = cpu_to_le64(block_count +
> - (long long)segs * sbi->blocks_per_seg);
> + (long long)(segs << sbi->log_blocks_per_seg));
> if (f2fs_is_multi_device(sbi)) {
> int last_dev = sbi->s_ndevs - 1;
> int dev_segs =
> @@ -2076,8 +2076,8 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
>
> static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
> {
> - int segs = secs * sbi->segs_per_sec;
> - long long blks = (long long)segs * sbi->blocks_per_seg;
> + int segs = secs * SEGS_PER_SEC(sbi);
> + long long blks = (long long)(segs << sbi->log_blocks_per_seg);
> long long user_block_count =
> le64_to_cpu(F2FS_CKPT(sbi)->user_block_count);
>
> @@ -2119,7 +2119,7 @@ int f2fs_resize_fs(struct file *filp, __u64 block_count)
> int last_dev = sbi->s_ndevs - 1;
> __u64 last_segs = FDEV(last_dev).total_segments;
>
> - if (block_count + last_segs * sbi->blocks_per_seg <=
> + if (block_count + (last_segs << sbi->log_blocks_per_seg) <=
> old_block_count)
> return -EINVAL;
> }
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 1d898a16f05a..51241996b9ec 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -2841,7 +2841,7 @@ int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
> int i, idx, last_offset, nrpages;
>
> /* scan the node segment */
> - last_offset = sbi->blocks_per_seg;
> + last_offset = BLKS_PER_SEG(sbi);
> addr = START_BLOCK(sbi, segno);
> sum_entry = &sum->entries[0];
>
> @@ -3158,7 +3158,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
> if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
> return 0;
>
> - nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
> + nat_bits_addr = __start_cp_addr(sbi) + BLKS_PER_SEG(sbi) -
> nm_i->nat_bits_blocks;
> for (i = 0; i < nm_i->nat_bits_blocks; i++) {
> struct page *page;
> diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
> index 5bd16a95eef8..6aea13024ac1 100644
> --- a/fs/f2fs/node.h
> +++ b/fs/f2fs/node.h
> @@ -208,10 +208,10 @@ static inline pgoff_t current_nat_addr(struct f2fs_sb_info *sbi, nid_t start)
>
> block_addr = (pgoff_t)(nm_i->nat_blkaddr +
> (block_off << 1) -
> - (block_off & (sbi->blocks_per_seg - 1)));
> + (block_off & (BLKS_PER_SEG(sbi) - 1)));
>
> if (f2fs_test_bit(block_off, nm_i->nat_bitmap))
> - block_addr += sbi->blocks_per_seg;
> + block_addr += BLKS_PER_SEG(sbi);
>
> return block_addr;
> }
> diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
> index aad1d1a9b3d6..b3baec666afe 100644
> --- a/fs/f2fs/recovery.c
> +++ b/fs/f2fs/recovery.c
> @@ -354,7 +354,7 @@ static unsigned int adjust_por_ra_blocks(struct f2fs_sb_info *sbi,
> if (blkaddr + 1 == next_blkaddr)
> ra_blocks = min_t(unsigned int, RECOVERY_MAX_RA_BLOCKS,
> ra_blocks * 2);
> - else if (next_blkaddr % sbi->blocks_per_seg)
> + else if (next_blkaddr % BLKS_PER_SEG(sbi))
> ra_blocks = max_t(unsigned int, RECOVERY_MIN_RA_BLOCKS,
> ra_blocks / 2);
> return ra_blocks;
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index e5759813276a..8d330664b925 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -448,8 +448,8 @@ static inline bool excess_dirty_threshold(struct f2fs_sb_info *sbi)
> unsigned int nodes = get_pages(sbi, F2FS_DIRTY_NODES);
> unsigned int meta = get_pages(sbi, F2FS_DIRTY_META);
> unsigned int imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
> - unsigned int threshold = sbi->blocks_per_seg * factor *
> - DEFAULT_DIRTY_THRESHOLD;
> + unsigned int threshold = (factor * DEFAULT_DIRTY_THRESHOLD) <<
> + sbi->log_blocks_per_seg;
> unsigned int global_threshold = threshold * 3 / 2;
>
> if (dents >= threshold || qdata >= threshold ||
> @@ -1134,8 +1134,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
> struct seg_entry *sentry;
> unsigned int segno;
> block_t blk = start;
> - unsigned long offset, size, max_blocks = sbi->blocks_per_seg;
> - unsigned long *map;
> + unsigned long offset, size, *map;
>
> while (blk < end) {
> segno = GET_SEGNO(sbi, blk);
> @@ -1145,7 +1144,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
> if (end < START_BLOCK(sbi, segno + 1))
> size = GET_BLKOFF_FROM_SEG0(sbi, end);
> else
> - size = max_blocks;
> + size = BLKS_PER_SEG(sbi);
> map = (unsigned long *)(sentry->cur_valid_map);
> offset = __find_rev_next_bit(map, size, offset);
> f2fs_bug_on(sbi, offset != size);
> @@ -2044,7 +2043,6 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
> bool check_only)
> {
> int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
> - int max_blocks = sbi->blocks_per_seg;
> struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);
> unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
> unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
> @@ -2056,8 +2054,9 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
> struct list_head *head = &SM_I(sbi)->dcc_info->entry_list;
> int i;
>
> - if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||
> - !f2fs_block_unit_discard(sbi))
> + if (se->valid_blocks == BLKS_PER_SEG(sbi) ||
> + !f2fs_hw_support_discard(sbi) ||
> + !f2fs_block_unit_discard(sbi))
> return false;
>
> if (!force) {
> @@ -2074,13 +2073,14 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
>
> while (force || SM_I(sbi)->dcc_info->nr_discards <=
> SM_I(sbi)->dcc_info->max_discards) {
> - start = __find_rev_next_bit(dmap, max_blocks, end + 1);
> - if (start >= max_blocks)
> + start = __find_rev_next_bit(dmap, BLKS_PER_SEG(sbi), end + 1);
> + if (start >= BLKS_PER_SEG(sbi))
> break;
>
> - end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
> - if (force && start && end != max_blocks
> - && (end - start) < cpc->trim_minlen)
> + end = __find_rev_next_zero_bit(dmap,
> + BLKS_PER_SEG(sbi), start + 1);
> + if (force && start && end != BLKS_PER_SEG(sbi) &&
> + (end - start) < cpc->trim_minlen)
> continue;
>
> if (check_only)
> @@ -2162,8 +2162,8 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
> start + 1);
>
> if (section_alignment) {
> - start = rounddown(start, sbi->segs_per_sec);
> - end = roundup(end, sbi->segs_per_sec);
> + start = rounddown(start, SEGS_PER_SEC(sbi));
> + end = roundup(end, SEGS_PER_SEC(sbi));
> }
>
> for (i = start; i < end; i++) {
> @@ -2191,9 +2191,9 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
> if (!IS_CURSEC(sbi, secno) &&
> !get_valid_blocks(sbi, start, true))
> f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
> - sbi->segs_per_sec << sbi->log_blocks_per_seg);
> + BLKS_PER_SEC(sbi));
>
> - start = start_segno + sbi->segs_per_sec;
> + start = start_segno + SEGS_PER_SEC(sbi);
> if (start < end)
> goto next;
> else
> @@ -2212,7 +2212,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
> find_next:
> if (is_valid) {
> next_pos = find_next_zero_bit_le(entry->discard_map,
> - sbi->blocks_per_seg, cur_pos);
> + BLKS_PER_SEG(sbi), cur_pos);
> len = next_pos - cur_pos;
>
> if (f2fs_sb_has_blkzoned(sbi) ||
> @@ -2224,13 +2224,13 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
> total_len += len;
> } else {
> next_pos = find_next_bit_le(entry->discard_map,
> - sbi->blocks_per_seg, cur_pos);
> + BLKS_PER_SEG(sbi), cur_pos);
> }
> skip:
> cur_pos = next_pos;
> is_valid = !is_valid;
>
> - if (cur_pos < sbi->blocks_per_seg)
> + if (cur_pos < BLKS_PER_SEG(sbi))
> goto find_next;
>
> release_discard_addr(entry);
> @@ -2279,7 +2279,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
> dcc->max_ordered_discard = DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY;
> dcc->discard_io_aware = DPOLICY_IO_AWARE_ENABLE;
> if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
> - dcc->discard_granularity = sbi->blocks_per_seg;
> + dcc->discard_granularity = BLKS_PER_SEG(sbi);
> else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
> dcc->discard_granularity = BLKS_PER_SEC(sbi);
>
> @@ -2542,7 +2542,7 @@ static unsigned short f2fs_curseg_valid_blocks(struct f2fs_sb_info *sbi, int typ
> struct curseg_info *curseg = CURSEG_I(sbi, type);
>
> if (sbi->ckpt->alloc_type[type] == SSR)
> - return sbi->blocks_per_seg;
> + return BLKS_PER_SEG(sbi);
> return curseg->next_blkoff;
> }
>
> @@ -2630,7 +2630,7 @@ static int is_next_segment_free(struct f2fs_sb_info *sbi,
> unsigned int segno = curseg->segno + 1;
> struct free_segmap_info *free_i = FREE_I(sbi);
>
> - if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)
> + if (segno < MAIN_SEGS(sbi) && segno % SEGS_PER_SEC(sbi))
> return !test_bit(segno, free_i->free_segmap);
> return 0;
> }
> @@ -2654,7 +2654,7 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
>
> spin_lock(&free_i->segmap_lock);
>
> - if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
> + if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) {
> segno = find_next_zero_bit(free_i->free_segmap,
> GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
> if (segno < GET_SEG_FROM_SEC(sbi, hint + 1))
> @@ -2757,7 +2757,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)
>
> sanity_check_seg_type(sbi, seg_type);
> if (f2fs_need_rand_seg(sbi))
> - return get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
> + return get_random_u32_below(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
>
> /* if segs_per_sec is large than 1, we need to keep original policy. */
> if (__is_large_section(sbi))
> @@ -2827,7 +2827,7 @@ static int __next_free_blkoff(struct f2fs_sb_info *sbi,
> for (i = 0; i < entries; i++)
> target_map[i] = ckpt_map[i] | cur_map[i];
>
> - return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
> + return __find_rev_next_zero_bit(target_map, BLKS_PER_SEG(sbi), start);
> }
>
> static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
> @@ -2838,7 +2838,7 @@ static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
>
> bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
> {
> - return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
> + return __next_free_blkoff(sbi, segno, 0) < BLKS_PER_SEG(sbi);
> }
>
> /*
> @@ -3238,8 +3238,8 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
> end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 :
> GET_SEGNO(sbi, end);
> if (need_align) {
> - start_segno = rounddown(start_segno, sbi->segs_per_sec);
> - end_segno = roundup(end_segno + 1, sbi->segs_per_sec) - 1;
> + start_segno = rounddown(start_segno, SEGS_PER_SEC(sbi));
> + end_segno = roundup(end_segno + 1, SEGS_PER_SEC(sbi)) - 1;
> }
>
> cpc.reason = CP_DISCARD;
> @@ -3437,7 +3437,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
> }
> *new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
>
> - f2fs_bug_on(sbi, curseg->next_blkoff >= sbi->blocks_per_seg);
> + f2fs_bug_on(sbi, curseg->next_blkoff >= BLKS_PER_SEG(sbi));
>
> f2fs_wait_discard_bio(sbi, *new_blkaddr);
>
> @@ -3881,7 +3881,7 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
> seg_i->next_blkoff = blk_off;
>
> if (seg_i->alloc_type == SSR)
> - blk_off = sbi->blocks_per_seg;
> + blk_off = BLKS_PER_SEG(sbi);
>
> for (j = 0; j < blk_off; j++) {
> struct f2fs_summary *s;
> @@ -3949,7 +3949,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
> struct f2fs_summary *ns = &sum->entries[0];
> int i;
>
> - for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
> + for (i = 0; i < BLKS_PER_SEG(sbi); i++, ns++) {
> ns->version = 0;
> ns->ofs_in_node = 0;
> }
> @@ -4582,21 +4582,20 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
>
> sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;
>
> - if (f2fs_block_unit_discard(sbi)) {
> - /* build discard map only one time */
> - if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
> - memset(se->discard_map, 0xff,
> + if (!f2fs_block_unit_discard(sbi))
> + goto init_discard_map_done;
> +
> + /* build discard map only one time */
> + if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
> + memset(se->discard_map, 0xff,
> SIT_VBLOCK_MAP_SIZE);
> - } else {
> - memcpy(se->discard_map,
> - se->cur_valid_map,
> + goto init_discard_map_done;
> + }
> + memcpy(se->discard_map, se->cur_valid_map,
> SIT_VBLOCK_MAP_SIZE);
> - sbi->discard_blks +=
> - sbi->blocks_per_seg -
> + sbi->discard_blks += BLKS_PER_SEG(sbi) -
> se->valid_blocks;
> - }
> - }
> -
> +init_discard_map_done:
> if (__is_large_section(sbi))
> get_sec_entry(sbi, start)->valid_blocks +=
> se->valid_blocks;
> @@ -4736,7 +4735,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> return;
>
> mutex_lock(&dirty_i->seglist_lock);
> - for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
> + for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> valid_blocks = get_valid_blocks(sbi, segno, true);
> secno = GET_SEC_FROM_SEG(sbi, segno);
>
> @@ -4835,7 +4834,7 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
> if (curseg->alloc_type == SSR)
> continue;
>
> - for (blkofs += 1; blkofs < sbi->blocks_per_seg; blkofs++) {
> + for (blkofs += 1; blkofs < BLKS_PER_SEG(sbi); blkofs++) {
> if (!f2fs_test_bit(blkofs, se->cur_valid_map))
> continue;
> out:
> @@ -5114,7 +5113,7 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
> unsigned int secno;
>
> if (!sbi->unusable_blocks_per_sec)
> - return sbi->blocks_per_seg;
> + return BLKS_PER_SEG(sbi);
>
> secno = GET_SEC_FROM_SEG(sbi, segno);
> seg_start = START_BLOCK(sbi, segno);
> @@ -5129,10 +5128,10 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
> */
> if (seg_start >= sec_cap_blkaddr)
> return 0;
> - if (seg_start + sbi->blocks_per_seg > sec_cap_blkaddr)
> + if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
> return sec_cap_blkaddr - seg_start;
>
> - return sbi->blocks_per_seg;
> + return BLKS_PER_SEG(sbi);
> }
> #else
> int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
> @@ -5158,7 +5157,7 @@ unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> if (f2fs_sb_has_blkzoned(sbi))
> return f2fs_usable_zone_blks_in_seg(sbi, segno);
>
> - return sbi->blocks_per_seg;
> + return BLKS_PER_SEG(sbi);
> }
>
> unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> @@ -5167,7 +5166,7 @@ unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> if (f2fs_sb_has_blkzoned(sbi))
> return CAP_SEGS_PER_SEC(sbi);
>
> - return sbi->segs_per_sec;
> + return SEGS_PER_SEC(sbi);
> }
>
> /*
> @@ -5182,14 +5181,14 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)
>
> sit_i->min_mtime = ULLONG_MAX;
>
> - for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
> + for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> unsigned int i;
> unsigned long long mtime = 0;
>
> - for (i = 0; i < sbi->segs_per_sec; i++)
> + for (i = 0; i < SEGS_PER_SEC(sbi); i++)
> mtime += get_seg_entry(sbi, segno + i)->mtime;
>
> - mtime = div_u64(mtime, sbi->segs_per_sec);
> + mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
>
> if (sit_i->min_mtime > mtime)
> sit_i->min_mtime = mtime;
> @@ -5228,7 +5227,7 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
> sm_info->ipu_policy = BIT(F2FS_IPU_FSYNC);
> sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
> sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
> - sm_info->min_seq_blocks = sbi->blocks_per_seg;
> + sm_info->min_seq_blocks = BLKS_PER_SEG(sbi);
> sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
> sm_info->min_ssr_sections = reserved_sections(sbi);
>
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index 8129be788bd5..96cec83012f1 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -99,8 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
> ((!__is_valid_data_blkaddr(blk_addr)) ? \
> NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
> GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
> -#define BLKS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
> #define CAP_BLKS_PER_SEC(sbi) \
> ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
> (sbi)->unusable_blocks_per_sec)
> @@ -364,7 +362,7 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
> unsigned int blocks = 0;
> int i;
>
> - for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
> + for (i = 0; i < SEGS_PER_SEC(sbi); i++, start_segno++) {
> struct seg_entry *se = get_seg_entry(sbi, start_segno);
>
> blocks += se->ckpt_valid_blocks;
> @@ -449,7 +447,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
> free_i->free_segments++;
>
> next = find_next_bit(free_i->free_segmap,
> - start_segno + sbi->segs_per_sec, start_segno);
> + start_segno + SEGS_PER_SEC(sbi), start_segno);
> if (next >= start_segno + usable_segs) {
> clear_bit(secno, free_i->free_secmap);
> free_i->free_sections++;
> @@ -485,7 +483,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> if (!inmem && IS_CURSEC(sbi, secno))
> goto skip_free;
> next = find_next_bit(free_i->free_segmap,
> - start_segno + sbi->segs_per_sec, start_segno);
> + start_segno + SEGS_PER_SEC(sbi), start_segno);
> if (next >= start_segno + usable_segs) {
> if (test_and_clear_bit(secno, free_i->free_secmap))
> free_i->free_sections++;
> @@ -793,10 +791,10 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> return -EFSCORRUPTED;
> }
>
> - if (usable_blks_per_seg < sbi->blocks_per_seg)
> + if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
> f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
> - sbi->blocks_per_seg,
> - usable_blks_per_seg) != sbi->blocks_per_seg);
> + BLKS_PER_SEG(sbi),
> + usable_blks_per_seg) != BLKS_PER_SEG(sbi));
>
> /* check segment usage, and check boundary of a given segment number */
> if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
> @@ -915,9 +913,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
> return 0;
>
> if (type == DATA)
> - return sbi->blocks_per_seg;
> + return BLKS_PER_SEG(sbi);
> else if (type == NODE)
> - return 8 * sbi->blocks_per_seg;
> + return 8 * BLKS_PER_SEG(sbi);
> else if (type == META)
> return 8 * BIO_MAX_VECS;
> else
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index f1516fd5088a..c0688c124aa7 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -3643,7 +3643,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
> }
>
> main_segs = le32_to_cpu(raw_super->segment_count_main);
> - blocks_per_seg = sbi->blocks_per_seg;
> + blocks_per_seg = BLKS_PER_SEG(sbi);
>
> for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
> if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
> @@ -3756,8 +3756,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
> sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);
> sbi->total_sections = le32_to_cpu(raw_super->section_count);
> sbi->total_node_count =
> - (le32_to_cpu(raw_super->segment_count_nat) / 2)
> - * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
> + ((le32_to_cpu(raw_super->segment_count_nat) / 2) *
> + NAT_ENTRY_PER_BLOCK) << sbi->log_blocks_per_seg;
> F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
> F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
> F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
> @@ -3766,7 +3766,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
> sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
> sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
> sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
> - sbi->migration_granularity = sbi->segs_per_sec;
> + sbi->migration_granularity = SEGS_PER_SEC(sbi);
> sbi->seq_file_ra_mul = MIN_RA_MUL;
> sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
> sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index a7ec55c7bb20..906d2af2d849 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -493,8 +493,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
> spin_lock(&sbi->stat_lock);
> if (t > (unsigned long)(sbi->user_block_count -
> F2FS_OPTION(sbi).root_reserved_blocks -
> - sbi->blocks_per_seg *
> - SM_I(sbi)->additional_reserved_segments)) {
> + (SM_I(sbi)->additional_reserved_segments <<
> + sbi->log_blocks_per_seg))) {
> spin_unlock(&sbi->stat_lock);
> return -EINVAL;
> }
> @@ -551,7 +551,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
> }
>
> if (!strcmp(a->attr.name, "migration_granularity")) {
> - if (t == 0 || t > sbi->segs_per_sec)
> + if (t == 0 || t > SEGS_PER_SEC(sbi))
> return -EINVAL;
> }
>
> --
> 2.43.0.594.gd9cf4e227d-goog
>
>
>
> _______________________________________________
> Linux-f2fs-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

2024-02-08 00:11:37

by Daeho Jeong

Subject: Re: [f2fs-dev] [PATCH 1/3] f2fs: deprecate io_bits

Reviewed-by: Daeho Jeong <[email protected]>

On Tue, Feb 6, 2024 at 4:54 PM Jaegeuk Kim <[email protected]> wrote:
>
> Let's deprecate an unused io_bits feature to save CPU cycles and memory.
>
> Signed-off-by: Jaegeuk Kim <[email protected]>
> ---
> Documentation/filesystems/f2fs.rst | 2 -
> fs/f2fs/data.c | 73 +------------------------
> fs/f2fs/f2fs.h | 25 ++-------
> fs/f2fs/file.c | 2 -
> fs/f2fs/gc.c | 10 +---
> fs/f2fs/segment.c | 9 +--
> fs/f2fs/super.c | 88 +-----------------------------
> include/linux/f2fs_fs.h | 6 --
> 8 files changed, 10 insertions(+), 205 deletions(-)
>
> diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
> index 32cbfa864f38..9ac5083dae8e 100644
> --- a/Documentation/filesystems/f2fs.rst
> +++ b/Documentation/filesystems/f2fs.rst
> @@ -229,8 +229,6 @@ mode=%s Control block allocation mode which supports "adaptive"
> option for more randomness.
> Please, use these options for your experiments and we strongly
> recommend to re-format the filesystem after using these options.
> -io_bits=%u Set the bit size of write IO requests. It should be set
> - with "mode=lfs".
> usrquota Enable plain user disk quota accounting.
> grpquota Enable plain group disk quota accounting.
> prjquota Enable plain project quota accounting.
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 05158f89ef32..828c797cd47c 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -338,17 +338,6 @@ static void f2fs_write_end_io(struct bio *bio)
> struct page *page = bvec->bv_page;
> enum count_type type = WB_DATA_TYPE(page, false);
>
> - if (page_private_dummy(page)) {
> - clear_page_private_dummy(page);
> - unlock_page(page);
> - mempool_free(page, sbi->write_io_dummy);
> -
> - if (unlikely(bio->bi_status))
> - f2fs_stop_checkpoint(sbi, true,
> - STOP_CP_REASON_WRITE_FAIL);
> - continue;
> - }
> -
> fscrypt_finalize_bounce_page(&page);
>
> #ifdef CONFIG_F2FS_FS_COMPRESSION
> @@ -522,50 +511,13 @@ void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, struct bio *bio,
> submit_bio(bio);
> }
>
> -static void f2fs_align_write_bio(struct f2fs_sb_info *sbi, struct bio *bio)
> -{
> - unsigned int start =
> - (bio->bi_iter.bi_size >> F2FS_BLKSIZE_BITS) % F2FS_IO_SIZE(sbi);
> -
> - if (start == 0)
> - return;
> -
> - /* fill dummy pages */
> - for (; start < F2FS_IO_SIZE(sbi); start++) {
> - struct page *page =
> - mempool_alloc(sbi->write_io_dummy,
> - GFP_NOIO | __GFP_NOFAIL);
> - f2fs_bug_on(sbi, !page);
> -
> - lock_page(page);
> -
> - zero_user_segment(page, 0, PAGE_SIZE);
> - set_page_private_dummy(page);
> -
> - if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE)
> - f2fs_bug_on(sbi, 1);
> - }
> -}
> -
> static void f2fs_submit_write_bio(struct f2fs_sb_info *sbi, struct bio *bio,
> enum page_type type)
> {
> WARN_ON_ONCE(is_read_io(bio_op(bio)));
>
> - if (type == DATA || type == NODE) {
> - if (f2fs_lfs_mode(sbi) && current->plug)
> - blk_finish_plug(current->plug);
> -
> - if (F2FS_IO_ALIGNED(sbi)) {
> - f2fs_align_write_bio(sbi, bio);
> - /*
> - * In the NODE case, we lose next block address chain.
> - * So, we need to do checkpoint in f2fs_sync_file.
> - */
> - if (type == NODE)
> - set_sbi_flag(sbi, SBI_NEED_CP);
> - }
> - }
> + if (f2fs_lfs_mode(sbi) && current->plug && PAGE_TYPE_ON_MAIN(type))
> + blk_finish_plug(current->plug);
>
> trace_f2fs_submit_write_bio(sbi->sb, type, bio);
> iostat_update_submit_ctx(bio, type);
> @@ -794,16 +746,6 @@ static bool io_is_mergeable(struct f2fs_sb_info *sbi, struct bio *bio,
> block_t last_blkaddr,
> block_t cur_blkaddr)
> {
> - if (F2FS_IO_ALIGNED(sbi) && (fio->type == DATA || fio->type == NODE)) {
> - unsigned int filled_blocks =
> - F2FS_BYTES_TO_BLK(bio->bi_iter.bi_size);
> - unsigned int io_size = F2FS_IO_SIZE(sbi);
> - unsigned int left_vecs = bio->bi_max_vecs - bio->bi_vcnt;
> -
> - /* IOs in bio is aligned and left space of vectors is not enough */
> - if (!(filled_blocks % io_size) && left_vecs < io_size)
> - return false;
> - }
> if (!page_is_mergeable(sbi, bio, last_blkaddr, cur_blkaddr))
> return false;
> return io_type_is_mergeable(io, fio);
> @@ -1055,14 +997,6 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
> __submit_merged_bio(io);
> alloc_new:
> if (io->bio == NULL) {
> - if (F2FS_IO_ALIGNED(sbi) &&
> - (fio->type == DATA || fio->type == NODE) &&
> - fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
> - dec_page_count(sbi, WB_DATA_TYPE(bio_page,
> - fio->compressed_page));
> - fio->retry = 1;
> - goto skip;
> - }
> io->bio = __bio_alloc(fio, BIO_MAX_VECS);
> f2fs_set_bio_crypt_ctx(io->bio, fio->page->mapping->host,
> bio_page->index, fio, GFP_NOIO);
> @@ -1092,7 +1026,6 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
> __submit_merged_bio(io);
> }
> #endif
> -skip:
> if (fio->in_list)
> goto next;
> out:
> @@ -2669,8 +2602,6 @@ bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
> if (fio) {
> if (page_private_gcing(fio->page))
> return true;
> - if (page_private_dummy(fio->page))
> - return true;
> if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED) &&
> f2fs_is_checkpointed_data(sbi, fio->old_blkaddr)))
> return true;
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 543898482f8b..4c52136cbc10 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -148,7 +148,6 @@ struct f2fs_rwsem {
>
> struct f2fs_mount_info {
> unsigned int opt;
> - int write_io_size_bits; /* Write IO size bits */
> block_t root_reserved_blocks; /* root reserved blocks */
> kuid_t s_resuid; /* reserved blocks for uid */
> kgid_t s_resgid; /* reserved blocks for gid */
> @@ -1117,6 +1116,7 @@ enum count_type {
> * ... Only can be used with META.
> */
> #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
> +#define PAGE_TYPE_ON_MAIN(type) ((type) == DATA || (type) == NODE)
> enum page_type {
> DATA = 0,
> NODE = 1, /* should not change this */
> @@ -1211,7 +1211,6 @@ struct f2fs_io_info {
> unsigned int submitted:1; /* indicate IO submission */
> unsigned int in_list:1; /* indicate fio is in io_list */
> unsigned int is_por:1; /* indicate IO is from recovery or not */
> - unsigned int retry:1; /* need to reallocate block address */
> unsigned int encrypted:1; /* indicate file is encrypted */
> unsigned int post_read:1; /* require post read */
> enum iostat_type io_type; /* io type */
> @@ -1413,18 +1412,16 @@ static inline void f2fs_clear_bit(unsigned int nr, char *addr);
> * Layout A: lowest bit should be 1
> * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
> * bit 0 PAGE_PRIVATE_NOT_POINTER
> - * bit 1 PAGE_PRIVATE_DUMMY_WRITE
> - * bit 2 PAGE_PRIVATE_ONGOING_MIGRATION
> - * bit 3 PAGE_PRIVATE_INLINE_INODE
> - * bit 4 PAGE_PRIVATE_REF_RESOURCE
> - * bit 5- f2fs private data
> + * bit 1 PAGE_PRIVATE_ONGOING_MIGRATION
> + * bit 2 PAGE_PRIVATE_INLINE_INODE
> + * bit 3 PAGE_PRIVATE_REF_RESOURCE
> + * bit 4- f2fs private data
> *
> * Layout B: lowest bit should be 0
> * page.private is a wrapped pointer.
> */
> enum {
> PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */
> - PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */
> PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */
> PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */
> PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */
> @@ -1571,7 +1568,6 @@ struct f2fs_sb_info {
> struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
> /* keep migration IO order for LFS mode */
> struct f2fs_rwsem io_order_lock;
> - mempool_t *write_io_dummy; /* Dummy pages */
> pgoff_t page_eio_ofs[NR_PAGE_TYPE]; /* EIO page offset */
> int page_eio_cnt[NR_PAGE_TYPE]; /* EIO count */
>
> @@ -2307,10 +2303,6 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
> if (!__allow_reserved_blocks(sbi, inode, true))
> avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
>
> - if (F2FS_IO_ALIGNED(sbi))
> - avail_user_block_count -= sbi->blocks_per_seg *
> - SM_I(sbi)->additional_reserved_segments;
> -
> if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
> if (avail_user_block_count > sbi->unusable_block_count)
> avail_user_block_count -= sbi->unusable_block_count;
> @@ -2378,17 +2370,14 @@ static inline void clear_page_private_##name(struct page *page) \
> PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
> PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
> PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
> -PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);
>
> PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
> PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
> PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
> -PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);
>
> PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
> PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
> PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
> -PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);
>
> static inline unsigned long get_page_private_data(struct page *page)
> {
> @@ -2644,10 +2633,6 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
> if (!__allow_reserved_blocks(sbi, inode, false))
> valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
>
> - if (F2FS_IO_ALIGNED(sbi))
> - valid_block_count += sbi->blocks_per_seg *
> - SM_I(sbi)->additional_reserved_segments;
> -
> user_block_count = sbi->user_block_count;
> if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
> user_block_count -= sbi->unusable_block_count;
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index 25b119cf3499..c6cd9474ba2d 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -822,8 +822,6 @@ static bool f2fs_force_buffered_io(struct inode *inode, int rw)
> */
> if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE))
> return true;
> - if (f2fs_lfs_mode(sbi) && rw == WRITE && F2FS_IO_ALIGNED(sbi))
> - return true;
> if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
> return true;
>
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index a079eebfb080..6899f434ad68 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -1184,7 +1184,6 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
> .op_flags = 0,
> .encrypted_page = NULL,
> .in_list = 0,
> - .retry = 0,
> };
> int err;
>
> @@ -1273,7 +1272,6 @@ static int move_data_block(struct inode *inode, block_t bidx,
> .op_flags = 0,
> .encrypted_page = NULL,
> .in_list = 0,
> - .retry = 0,
> };
> struct dnode_of_data dn;
> struct f2fs_summary sum;
> @@ -1393,18 +1391,12 @@ static int move_data_block(struct inode *inode, block_t bidx,
> fio.op_flags = REQ_SYNC;
> fio.new_blkaddr = newaddr;
> f2fs_submit_page_write(&fio);
> - if (fio.retry) {
> - err = -EAGAIN;
> - if (PageWriteback(fio.encrypted_page))
> - end_page_writeback(fio.encrypted_page);
> - goto put_page_out;
> - }
>
> f2fs_update_iostat(fio.sbi, NULL, FS_GC_DATA_IO, F2FS_BLKSIZE);
>
> f2fs_update_data_blkaddr(&dn, newaddr);
> set_inode_flag(inode, FI_APPEND_WRITE);
> -put_page_out:
> +
> f2fs_put_page(fio.encrypted_page, 1);
> recover_block:
> if (err)
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 7901ede58113..e5759813276a 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -3507,9 +3507,6 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
> if (fio) {
> struct f2fs_bio_info *io;
>
> - if (F2FS_IO_ALIGNED(sbi))
> - fio->retry = 0;
> -
> INIT_LIST_HEAD(&fio->list);
> fio->in_list = 1;
> io = sbi->write_io[fio->type] + fio->temp;
> @@ -3557,7 +3554,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
>
> if (keep_order)
> f2fs_down_read(&fio->sbi->io_order_lock);
> -reallocate:
> +
> f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
> &fio->new_blkaddr, sum, type, fio);
> if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
> @@ -3565,10 +3562,6 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
>
> /* writeout dirty page into bdev */
> f2fs_submit_page_write(fio);
> - if (fio->retry) {
> - fio->old_blkaddr = fio->new_blkaddr;
> - goto reallocate;
> - }
>
> f2fs_update_device_state(fio->sbi, fio->ino, fio->new_blkaddr, 1);
>
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index 1b718bebfaa1..f1516fd5088a 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -138,7 +138,6 @@ enum {
> Opt_resgid,
> Opt_resuid,
> Opt_mode,
> - Opt_io_size_bits,
> Opt_fault_injection,
> Opt_fault_type,
> Opt_lazytime,
> @@ -217,7 +216,6 @@ static match_table_t f2fs_tokens = {
> {Opt_resgid, "resgid=%u"},
> {Opt_resuid, "resuid=%u"},
> {Opt_mode, "mode=%s"},
> - {Opt_io_size_bits, "io_bits=%u"},
> {Opt_fault_injection, "fault_injection=%u"},
> {Opt_fault_type, "fault_type=%u"},
> {Opt_lazytime, "lazytime"},
> @@ -349,46 +347,6 @@ static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
> F2FS_OPTION(sbi).s_resgid));
> }
>
> -static inline int adjust_reserved_segment(struct f2fs_sb_info *sbi)
> -{
> - unsigned int sec_blks = sbi->blocks_per_seg * sbi->segs_per_sec;
> - unsigned int avg_vblocks;
> - unsigned int wanted_reserved_segments;
> - block_t avail_user_block_count;
> -
> - if (!F2FS_IO_ALIGNED(sbi))
> - return 0;
> -
> - /* average valid block count in section in worst case */
> - avg_vblocks = sec_blks / F2FS_IO_SIZE(sbi);
> -
> - /*
> - * we need enough free space when migrating one section in worst case
> - */
> - wanted_reserved_segments = (F2FS_IO_SIZE(sbi) / avg_vblocks) *
> - reserved_segments(sbi);
> - wanted_reserved_segments -= reserved_segments(sbi);
> -
> - avail_user_block_count = sbi->user_block_count -
> - sbi->current_reserved_blocks -
> - F2FS_OPTION(sbi).root_reserved_blocks;
> -
> - if (wanted_reserved_segments * sbi->blocks_per_seg >
> - avail_user_block_count) {
> - f2fs_err(sbi, "IO align feature can't grab additional reserved segment: %u, available segments: %u",
> - wanted_reserved_segments,
> - avail_user_block_count >> sbi->log_blocks_per_seg);
> - return -ENOSPC;
> - }
> -
> - SM_I(sbi)->additional_reserved_segments = wanted_reserved_segments;
> -
> - f2fs_info(sbi, "IO align feature needs additional reserved segment: %u",
> - wanted_reserved_segments);
> -
> - return 0;
> -}
> -
> static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi)
> {
> if (!F2FS_OPTION(sbi).unusable_cap_perc)
> @@ -919,16 +877,6 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
> }
> kfree(name);
> break;
> - case Opt_io_size_bits:
> - if (args->from && match_int(args, &arg))
> - return -EINVAL;
> - if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) {
> - f2fs_warn(sbi, "Not support %ld, larger than %d",
> - BIT(arg), BIO_MAX_VECS);
> - return -EINVAL;
> - }
> - F2FS_OPTION(sbi).write_io_size_bits = arg;
> - break;
> #ifdef CONFIG_F2FS_FAULT_INJECTION
> case Opt_fault_injection:
> if (args->from && match_int(args, &arg))
> @@ -1398,12 +1346,6 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
> }
> #endif
>
> - if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) {
> - f2fs_err(sbi, "Should set mode=lfs with %luKB-sized IO",
> - F2FS_IO_SIZE_KB(sbi));
> - return -EINVAL;
> - }
> -
> if (test_opt(sbi, INLINE_XATTR_SIZE)) {
> int min_size, max_size;
>
> @@ -1724,7 +1666,6 @@ static void f2fs_put_super(struct super_block *sb)
>
> f2fs_destroy_page_array_cache(sbi);
> f2fs_destroy_xattr_caches(sbi);
> - mempool_destroy(sbi->write_io_dummy);
> #ifdef CONFIG_QUOTA
> for (i = 0; i < MAXQUOTAS; i++)
> kfree(F2FS_OPTION(sbi).s_qf_names[i]);
> @@ -2084,9 +2025,6 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
> F2FS_OPTION(sbi).s_resuid),
> from_kgid_munged(&init_user_ns,
> F2FS_OPTION(sbi).s_resgid));
> - if (F2FS_IO_SIZE_BITS(sbi))
> - seq_printf(seq, ",io_bits=%u",
> - F2FS_OPTION(sbi).write_io_size_bits);
> #ifdef CONFIG_F2FS_FAULT_INJECTION
> if (test_opt(sbi, FAULT_INJECTION)) {
> seq_printf(seq, ",fault_injection=%u",
> @@ -2338,7 +2276,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
> bool no_read_extent_cache = !test_opt(sbi, READ_EXTENT_CACHE);
> bool no_age_extent_cache = !test_opt(sbi, AGE_EXTENT_CACHE);
> bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT);
> - bool no_io_align = !F2FS_IO_ALIGNED(sbi);
> bool no_atgc = !test_opt(sbi, ATGC);
> bool no_discard = !test_opt(sbi, DISCARD);
> bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
> @@ -2446,12 +2383,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
> goto restore_opts;
> }
>
> - if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) {
> - err = -EINVAL;
> - f2fs_warn(sbi, "switch io_bits option is not allowed");
> - goto restore_opts;
> - }
> -
> if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) {
> err = -EINVAL;
> f2fs_warn(sbi, "switch compress_cache option is not allowed");
> @@ -4314,8 +4245,6 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
> FDEV(i).total_segments,
> FDEV(i).start_blk, FDEV(i).end_blk);
> }
> - f2fs_info(sbi,
> - "IO Block Size: %8ld KB", F2FS_IO_SIZE_KB(sbi));
> return 0;
> }
>
> @@ -4528,19 +4457,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
> if (err)
> goto free_iostat;
>
> - if (F2FS_IO_ALIGNED(sbi)) {
> - sbi->write_io_dummy =
> - mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
> - if (!sbi->write_io_dummy) {
> - err = -ENOMEM;
> - goto free_percpu;
> - }
> - }
> -
> /* init per sbi slab cache */
> err = f2fs_init_xattr_caches(sbi);
> if (err)
> - goto free_io_dummy;
> + goto free_percpu;
> err = f2fs_init_page_array_cache(sbi);
> if (err)
> goto free_xattr_cache;
> @@ -4628,10 +4548,6 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
> goto free_nm;
> }
>
> - err = adjust_reserved_segment(sbi);
> - if (err)
> - goto free_nm;
> -
> /* For write statistics */
> sbi->sectors_written_start = f2fs_get_sectors_written(sbi);
>
> @@ -4862,8 +4778,6 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
> f2fs_destroy_page_array_cache(sbi);
> free_xattr_cache:
> f2fs_destroy_xattr_caches(sbi);
> -free_io_dummy:
> - mempool_destroy(sbi->write_io_dummy);
> free_percpu:
> destroy_percpu_info(sbi);
> free_iostat:
> diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
> index 053137a0fe45..9b69c50255b2 100644
> --- a/include/linux/f2fs_fs.h
> +++ b/include/linux/f2fs_fs.h
> @@ -40,12 +40,6 @@
>
> #define F2FS_ENC_UTF8_12_1 1
>
> -#define F2FS_IO_SIZE(sbi) BIT(F2FS_OPTION(sbi).write_io_size_bits) /* Blocks */
> -#define F2FS_IO_SIZE_KB(sbi) BIT(F2FS_OPTION(sbi).write_io_size_bits + 2) /* KB */
> -#define F2FS_IO_SIZE_BITS(sbi) (F2FS_OPTION(sbi).write_io_size_bits) /* power of 2 */
> -#define F2FS_IO_SIZE_MASK(sbi) (F2FS_IO_SIZE(sbi) - 1)
> -#define F2FS_IO_ALIGNED(sbi) (F2FS_IO_SIZE(sbi) > 1)
> -
> /* This flag is used by node and meta inodes, and by recovery */
> #define GFP_F2FS_ZERO (GFP_NOFS | __GFP_ZERO)
>
> --
> 2.43.0.594.gd9cf4e227d-goog
>
>
>
> _______________________________________________
> Linux-f2fs-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

2024-02-12 18:10:46

by Jaegeuk Kim

Subject: Re: [PATCH 2/3 v2] f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC

No functional change.

Reviewed-by: Daeho Jeong <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
---

Change log from v1:
- use div_u64

fs/f2fs/checkpoint.c | 10 ++--
fs/f2fs/debug.c | 6 +--
fs/f2fs/f2fs.h | 19 +++++---
fs/f2fs/file.c | 12 ++---
fs/f2fs/gc.c | 40 ++++++++--------
fs/f2fs/node.c | 4 +-
fs/f2fs/node.h | 4 +-
fs/f2fs/recovery.c | 2 +-
fs/f2fs/segment.c | 109 +++++++++++++++++++++----------------------
fs/f2fs/segment.h | 18 ++++---
fs/f2fs/super.c | 8 ++--
fs/f2fs/sysfs.c | 6 +--
12 files changed, 119 insertions(+), 119 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index b85820e70f5e..a09a9609e228 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -900,7 +900,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,

cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);

- if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
+ if (cp_blocks > BLKS_PER_SEG(sbi) || cp_blocks <= F2FS_CP_PACKS) {
f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
le32_to_cpu(cp_block->cp_pack_total_block_count));
goto invalid_cp;
@@ -1335,7 +1335,7 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)

if (cpc->reason & CP_UMOUNT) {
if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
- NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
+ NM_I(sbi)->nat_bits_blocks > BLKS_PER_SEG(sbi)) {
clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
f2fs_notice(sbi, "Disable nat_bits due to no space");
} else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
@@ -1538,7 +1538,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
cp_ver |= ((__u64)crc32 << 32);
*(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);

- blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
+ blk = start_blk + BLKS_PER_SEG(sbi) - nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++)
f2fs_update_meta_page(sbi, nm_i->nat_bits +
(i << F2FS_BLKSIZE_BITS), blk + i);
@@ -1741,9 +1741,9 @@ void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
im->ino_num = 0;
}

- sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
+ sbi->max_orphans = (BLKS_PER_SEG(sbi) - F2FS_CP_PACKS -
NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
- F2FS_ORPHANS_PER_BLOCK;
+ F2FS_ORPHANS_PER_BLOCK;
}

int __init f2fs_create_checkpoint_caches(void)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index fdbf994f1271..0d02224b99b7 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -41,7 +41,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
total_vblocks = 0;
blks_per_sec = CAP_BLKS_PER_SEC(sbi);
hblks_per_sec = blks_per_sec / 2;
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;
@@ -135,7 +135,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->cur_ckpt_time = sbi->cprc_info.cur_time;
si->peak_ckpt_time = sbi->cprc_info.peak_time;
spin_unlock(&sbi->cprc_info.stat_lock);
- si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
+ si->total_count = (int)sbi->user_block_count / BLKS_PER_SEG(sbi);
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
si->valid_count = valid_user_blocks(sbi);
@@ -208,7 +208,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
if (!blks)
continue;

- if (blks == sbi->blocks_per_seg)
+ if (blks == BLKS_PER_SEG(sbi))
si->full_seg[type]++;
else
si->dirty_seg[type]++;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4c52136cbc10..0fb3947787d0 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1813,6 +1813,14 @@ struct f2fs_sb_info {
#endif
};

+/* Definitions to access f2fs_sb_info */
+#define BLKS_PER_SEG(sbi) \
+ ((sbi)->blocks_per_seg)
+#define BLKS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec << (sbi)->log_blocks_per_seg)
+#define SEGS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec)
+
__printf(3, 4)
void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...);

@@ -2511,11 +2519,8 @@ static inline int get_dirty_pages(struct inode *inode)

static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
{
- unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
- unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
- sbi->log_blocks_per_seg;
-
- return segs / sbi->segs_per_sec;
+ return div_u64(get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1,
+ BLKS_PER_SEC(sbi));
}

static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
@@ -2579,7 +2584,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

if (sbi->cur_cp_pack == 2)
- start_addr += sbi->blocks_per_seg;
+ start_addr += BLKS_PER_SEG(sbi);
return start_addr;
}

@@ -2588,7 +2593,7 @@ static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

if (sbi->cur_cp_pack == 1)
- start_addr += sbi->blocks_per_seg;
+ start_addr += BLKS_PER_SEG(sbi);
return start_addr;
}

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index c6cd9474ba2d..b0be576b2090 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2580,7 +2580,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
.m_may_create = false };
struct extent_info ei = {};
pgoff_t pg_start, pg_end, next_pgofs;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
block_t blk_end = 0;
bool fragmented = false;
@@ -2689,7 +2688,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
set_inode_flag(inode, FI_SKIP_WRITES);

idx = map.m_lblk;
- while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
+ while (idx < map.m_lblk + map.m_len &&
+ cnt < BLKS_PER_SEG(sbi)) {
struct page *page;

page = f2fs_get_lock_data_page(inode, idx, true);
@@ -2709,7 +2709,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,

map.m_lblk = idx;
check:
- if (map.m_lblk < pg_end && cnt < blk_per_seg)
+ if (map.m_lblk < pg_end && cnt < BLKS_PER_SEG(sbi))
goto do_map;

clear_inode_flag(inode, FI_SKIP_WRITES);
@@ -4081,7 +4081,6 @@ static int f2fs_ioc_decompress_file(struct file *filp)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
pgoff_t page_idx = 0, last_idx;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
int cluster_size = fi->i_cluster_size;
int count, ret;

@@ -4125,7 +4124,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
if (ret < 0)
break;

- if (get_dirty_pages(inode) >= blk_per_seg) {
+ if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
ret = filemap_fdatawrite(inode->i_mapping);
if (ret < 0)
break;
@@ -4160,7 +4159,6 @@ static int f2fs_ioc_compress_file(struct file *filp)
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
pgoff_t page_idx = 0, last_idx;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
int cluster_size = F2FS_I(inode)->i_cluster_size;
int count, ret;

@@ -4203,7 +4201,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
if (ret < 0)
break;

- if (get_dirty_pages(inode) >= blk_per_seg) {
+ if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
ret = filemap_fdatawrite(inode->i_mapping);
if (ret < 0)
break;
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 6899f434ad68..d61a60c1c844 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -259,7 +259,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
p->ofs_unit = 1;
} else {
p->gc_mode = select_gc_type(sbi, gc_type);
- p->ofs_unit = sbi->segs_per_sec;
+ p->ofs_unit = SEGS_PER_SEC(sbi);
if (__is_large_section(sbi)) {
p->dirty_bitmap = dirty_i->dirty_secmap;
p->max_search = count_bits(p->dirty_bitmap,
@@ -282,7 +282,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,

/* let's select beginning hot/small space first in no_heap mode*/
if (f2fs_need_rand_seg(sbi))
- p->offset = get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ p->offset = get_random_u32_below(MAIN_SECS(sbi) *
+ SEGS_PER_SEC(sbi));
else if (test_opt(sbi, NOHEAP) &&
(type == CURSEG_HOT_DATA || IS_NODESEG(type)))
p->offset = 0;
@@ -295,13 +296,13 @@ static unsigned int get_max_cost(struct f2fs_sb_info *sbi,
{
/* SSR allocates in a segment unit */
if (p->alloc_mode == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
else if (p->alloc_mode == AT_SSR)
return UINT_MAX;

/* LFS */
if (p->gc_mode == GC_GREEDY)
- return 2 * sbi->blocks_per_seg * p->ofs_unit;
+ return 2 * BLKS_PER_SEG(sbi) * p->ofs_unit;
else if (p->gc_mode == GC_CB)
return UINT_MAX;
else if (p->gc_mode == GC_AT)
@@ -496,9 +497,9 @@ static void add_victim_entry(struct f2fs_sb_info *sbi,
return;
}

- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, start + i)->mtime;
- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));

/* Handle if the system time has changed by the user */
if (mtime < sit_i->min_mtime)
@@ -599,7 +600,6 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
unsigned long long age;
unsigned long long max_mtime = sit_i->dirty_max_mtime;
unsigned long long min_mtime = sit_i->dirty_min_mtime;
- unsigned int seg_blocks = sbi->blocks_per_seg;
unsigned int vblocks;
unsigned int dirty_threshold = max(am->max_candidate_count,
am->candidate_ratio *
@@ -629,7 +629,7 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
f2fs_bug_on(sbi, !vblocks);

/* rare case */
- if (vblocks == seg_blocks)
+ if (vblocks == BLKS_PER_SEG(sbi))
goto skip_node;

iter++;
@@ -755,7 +755,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
int ret = 0;

mutex_lock(&dirty_i->seglist_lock);
- last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec;
+ last_segment = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);

p.alloc_mode = alloc_mode;
p.age = age;
@@ -896,7 +896,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
else
sm->last_victim[p.gc_mode] = segno + p.ofs_unit;
sm->last_victim[p.gc_mode] %=
- (MAIN_SECS(sbi) * sbi->segs_per_sec);
+ (MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
break;
}
}
@@ -1670,7 +1670,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
struct f2fs_summary_block *sum;
struct blk_plug plug;
unsigned int segno = start_segno;
- unsigned int end_segno = start_segno + sbi->segs_per_sec;
+ unsigned int end_segno = start_segno + SEGS_PER_SEC(sbi);
int seg_freed = 0, migrated = 0;
unsigned char type = IS_DATASEG(get_seg_entry(sbi, segno)->type) ?
SUM_TYPE_DATA : SUM_TYPE_NODE;
@@ -1678,7 +1678,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
int submitted = 0;

if (__is_large_section(sbi))
- end_segno = rounddown(end_segno, sbi->segs_per_sec);
+ end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));

/*
* zone-capacity can be less than zone-size in zoned devices,
@@ -1686,7 +1686,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
* calculate the end segno in the zone which can be garbage collected
*/
if (f2fs_sb_has_blkzoned(sbi))
- end_segno -= sbi->segs_per_sec -
+ end_segno -= SEGS_PER_SEC(sbi) -
f2fs_usable_segs_in_sec(sbi, segno);

sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
@@ -1986,7 +1986,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,

/* Force block allocation for GC */
MAIN_SECS(sbi) -= secs;
- start = MAIN_SECS(sbi) * sbi->segs_per_sec;
+ start = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
end = MAIN_SEGS(sbi) - 1;

mutex_lock(&DIRTY_I(sbi)->seglist_lock);
@@ -2004,7 +2004,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
f2fs_allocate_segment_for_resize(sbi, type, start, end);

/* do GC to move out valid blocks in the range */
- for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
+ for (segno = start; segno <= end; segno += SEGS_PER_SEC(sbi)) {
struct gc_inode_list gc_list = {
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
@@ -2048,7 +2048,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
int segment_count;
int segment_count_main;
long long block_count;
- int segs = secs * sbi->segs_per_sec;
+ int segs = secs * SEGS_PER_SEC(sbi);

f2fs_down_write(&sbi->sb_lock);

@@ -2061,7 +2061,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
raw_sb->segment_count = cpu_to_le32(segment_count + segs);
raw_sb->segment_count_main = cpu_to_le32(segment_count_main + segs);
raw_sb->block_count = cpu_to_le64(block_count +
- (long long)segs * sbi->blocks_per_seg);
+ (long long)(segs << sbi->log_blocks_per_seg));
if (f2fs_is_multi_device(sbi)) {
int last_dev = sbi->s_ndevs - 1;
int dev_segs =
@@ -2076,8 +2076,8 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)

static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
{
- int segs = secs * sbi->segs_per_sec;
- long long blks = (long long)segs * sbi->blocks_per_seg;
+ int segs = secs * SEGS_PER_SEC(sbi);
+ long long blks = (long long)(segs << sbi->log_blocks_per_seg);
long long user_block_count =
le64_to_cpu(F2FS_CKPT(sbi)->user_block_count);

@@ -2119,7 +2119,7 @@ int f2fs_resize_fs(struct file *filp, __u64 block_count)
int last_dev = sbi->s_ndevs - 1;
__u64 last_segs = FDEV(last_dev).total_segments;

- if (block_count + last_segs * sbi->blocks_per_seg <=
+ if (block_count + (last_segs << sbi->log_blocks_per_seg) <=
old_block_count)
return -EINVAL;
}
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 1d898a16f05a..51241996b9ec 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2841,7 +2841,7 @@ int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
int i, idx, last_offset, nrpages;

/* scan the node segment */
- last_offset = sbi->blocks_per_seg;
+ last_offset = BLKS_PER_SEG(sbi);
addr = START_BLOCK(sbi, segno);
sum_entry = &sum->entries[0];

@@ -3158,7 +3158,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
return 0;

- nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
+ nat_bits_addr = __start_cp_addr(sbi) + BLKS_PER_SEG(sbi) -
nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++) {
struct page *page;
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 5bd16a95eef8..6aea13024ac1 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -208,10 +208,10 @@ static inline pgoff_t current_nat_addr(struct f2fs_sb_info *sbi, nid_t start)

block_addr = (pgoff_t)(nm_i->nat_blkaddr +
(block_off << 1) -
- (block_off & (sbi->blocks_per_seg - 1)));
+ (block_off & (BLKS_PER_SEG(sbi) - 1)));

if (f2fs_test_bit(block_off, nm_i->nat_bitmap))
- block_addr += sbi->blocks_per_seg;
+ block_addr += BLKS_PER_SEG(sbi);

return block_addr;
}
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index aad1d1a9b3d6..b3baec666afe 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -354,7 +354,7 @@ static unsigned int adjust_por_ra_blocks(struct f2fs_sb_info *sbi,
if (blkaddr + 1 == next_blkaddr)
ra_blocks = min_t(unsigned int, RECOVERY_MAX_RA_BLOCKS,
ra_blocks * 2);
- else if (next_blkaddr % sbi->blocks_per_seg)
+ else if (next_blkaddr % BLKS_PER_SEG(sbi))
ra_blocks = max_t(unsigned int, RECOVERY_MIN_RA_BLOCKS,
ra_blocks / 2);
return ra_blocks;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e5759813276a..8d330664b925 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -448,8 +448,8 @@ static inline bool excess_dirty_threshold(struct f2fs_sb_info *sbi)
unsigned int nodes = get_pages(sbi, F2FS_DIRTY_NODES);
unsigned int meta = get_pages(sbi, F2FS_DIRTY_META);
unsigned int imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
- unsigned int threshold = sbi->blocks_per_seg * factor *
- DEFAULT_DIRTY_THRESHOLD;
+ unsigned int threshold = (factor * DEFAULT_DIRTY_THRESHOLD) <<
+ sbi->log_blocks_per_seg;
unsigned int global_threshold = threshold * 3 / 2;

if (dents >= threshold || qdata >= threshold ||
@@ -1134,8 +1134,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
struct seg_entry *sentry;
unsigned int segno;
block_t blk = start;
- unsigned long offset, size, max_blocks = sbi->blocks_per_seg;
- unsigned long *map;
+ unsigned long offset, size, *map;

while (blk < end) {
segno = GET_SEGNO(sbi, blk);
@@ -1145,7 +1144,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
if (end < START_BLOCK(sbi, segno + 1))
size = GET_BLKOFF_FROM_SEG0(sbi, end);
else
- size = max_blocks;
+ size = BLKS_PER_SEG(sbi);
map = (unsigned long *)(sentry->cur_valid_map);
offset = __find_rev_next_bit(map, size, offset);
f2fs_bug_on(sbi, offset != size);
@@ -2044,7 +2043,6 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
bool check_only)
{
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
- int max_blocks = sbi->blocks_per_seg;
struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);
unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
@@ -2056,8 +2054,9 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
struct list_head *head = &SM_I(sbi)->dcc_info->entry_list;
int i;

- if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||
- !f2fs_block_unit_discard(sbi))
+ if (se->valid_blocks == BLKS_PER_SEG(sbi) ||
+ !f2fs_hw_support_discard(sbi) ||
+ !f2fs_block_unit_discard(sbi))
return false;

if (!force) {
@@ -2074,13 +2073,14 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,

while (force || SM_I(sbi)->dcc_info->nr_discards <=
SM_I(sbi)->dcc_info->max_discards) {
- start = __find_rev_next_bit(dmap, max_blocks, end + 1);
- if (start >= max_blocks)
+ start = __find_rev_next_bit(dmap, BLKS_PER_SEG(sbi), end + 1);
+ if (start >= BLKS_PER_SEG(sbi))
break;

- end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
- if (force && start && end != max_blocks
- && (end - start) < cpc->trim_minlen)
+ end = __find_rev_next_zero_bit(dmap,
+ BLKS_PER_SEG(sbi), start + 1);
+ if (force && start && end != BLKS_PER_SEG(sbi) &&
+ (end - start) < cpc->trim_minlen)
continue;

if (check_only)
@@ -2162,8 +2162,8 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
start + 1);

if (section_alignment) {
- start = rounddown(start, sbi->segs_per_sec);
- end = roundup(end, sbi->segs_per_sec);
+ start = rounddown(start, SEGS_PER_SEC(sbi));
+ end = roundup(end, SEGS_PER_SEC(sbi));
}

for (i = start; i < end; i++) {
@@ -2191,9 +2191,9 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
if (!IS_CURSEC(sbi, secno) &&
!get_valid_blocks(sbi, start, true))
f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
- sbi->segs_per_sec << sbi->log_blocks_per_seg);
+ BLKS_PER_SEC(sbi));

- start = start_segno + sbi->segs_per_sec;
+ start = start_segno + SEGS_PER_SEC(sbi);
if (start < end)
goto next;
else
@@ -2212,7 +2212,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
find_next:
if (is_valid) {
next_pos = find_next_zero_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
len = next_pos - cur_pos;

if (f2fs_sb_has_blkzoned(sbi) ||
@@ -2224,13 +2224,13 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
total_len += len;
} else {
next_pos = find_next_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
}
skip:
cur_pos = next_pos;
is_valid = !is_valid;

- if (cur_pos < sbi->blocks_per_seg)
+ if (cur_pos < BLKS_PER_SEG(sbi))
goto find_next;

release_discard_addr(entry);
@@ -2279,7 +2279,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
dcc->max_ordered_discard = DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY;
dcc->discard_io_aware = DPOLICY_IO_AWARE_ENABLE;
if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
- dcc->discard_granularity = sbi->blocks_per_seg;
+ dcc->discard_granularity = BLKS_PER_SEG(sbi);
else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
dcc->discard_granularity = BLKS_PER_SEC(sbi);

@@ -2542,7 +2542,7 @@ static unsigned short f2fs_curseg_valid_blocks(struct f2fs_sb_info *sbi, int typ
struct curseg_info *curseg = CURSEG_I(sbi, type);

if (sbi->ckpt->alloc_type[type] == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
return curseg->next_blkoff;
}

@@ -2630,7 +2630,7 @@ static int is_next_segment_free(struct f2fs_sb_info *sbi,
unsigned int segno = curseg->segno + 1;
struct free_segmap_info *free_i = FREE_I(sbi);

- if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)
+ if (segno < MAIN_SEGS(sbi) && segno % SEGS_PER_SEC(sbi))
return !test_bit(segno, free_i->free_segmap);
return 0;
}
@@ -2654,7 +2654,7 @@ static void get_new_segment(struct f2fs_sb_info *sbi,

spin_lock(&free_i->segmap_lock);

- if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
+ if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) {
segno = find_next_zero_bit(free_i->free_segmap,
GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
if (segno < GET_SEG_FROM_SEC(sbi, hint + 1))
@@ -2757,7 +2757,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)

sanity_check_seg_type(sbi, seg_type);
if (f2fs_need_rand_seg(sbi))
- return get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ return get_random_u32_below(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));

/* if segs_per_sec is large than 1, we need to keep original policy. */
if (__is_large_section(sbi))
@@ -2827,7 +2827,7 @@ static int __next_free_blkoff(struct f2fs_sb_info *sbi,
for (i = 0; i < entries; i++)
target_map[i] = ckpt_map[i] | cur_map[i];

- return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
+ return __find_rev_next_zero_bit(target_map, BLKS_PER_SEG(sbi), start);
}

static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
@@ -2838,7 +2838,7 @@ static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,

bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
{
- return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
+ return __next_free_blkoff(sbi, segno, 0) < BLKS_PER_SEG(sbi);
}

/*
@@ -3238,8 +3238,8 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 :
GET_SEGNO(sbi, end);
if (need_align) {
- start_segno = rounddown(start_segno, sbi->segs_per_sec);
- end_segno = roundup(end_segno + 1, sbi->segs_per_sec) - 1;
+ start_segno = rounddown(start_segno, SEGS_PER_SEC(sbi));
+ end_segno = roundup(end_segno + 1, SEGS_PER_SEC(sbi)) - 1;
}

cpc.reason = CP_DISCARD;
@@ -3437,7 +3437,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
}
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);

- f2fs_bug_on(sbi, curseg->next_blkoff >= sbi->blocks_per_seg);
+ f2fs_bug_on(sbi, curseg->next_blkoff >= BLKS_PER_SEG(sbi));

f2fs_wait_discard_bio(sbi, *new_blkaddr);

@@ -3881,7 +3881,7 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
seg_i->next_blkoff = blk_off;

if (seg_i->alloc_type == SSR)
- blk_off = sbi->blocks_per_seg;
+ blk_off = BLKS_PER_SEG(sbi);

for (j = 0; j < blk_off; j++) {
struct f2fs_summary *s;
@@ -3949,7 +3949,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
struct f2fs_summary *ns = &sum->entries[0];
int i;

- for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
+ for (i = 0; i < BLKS_PER_SEG(sbi); i++, ns++) {
ns->version = 0;
ns->ofs_in_node = 0;
}
@@ -4582,21 +4582,20 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)

sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;

- if (f2fs_block_unit_discard(sbi)) {
- /* build discard map only one time */
- if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
- memset(se->discard_map, 0xff,
+ if (!f2fs_block_unit_discard(sbi))
+ goto init_discard_map_done;
+
+ /* build discard map only one time */
+ if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+ memset(se->discard_map, 0xff,
SIT_VBLOCK_MAP_SIZE);
- } else {
- memcpy(se->discard_map,
- se->cur_valid_map,
+ goto init_discard_map_done;
+ }
+ memcpy(se->discard_map, se->cur_valid_map,
SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks +=
- sbi->blocks_per_seg -
+ sbi->discard_blks += BLKS_PER_SEG(sbi) -
se->valid_blocks;
- }
- }
-
+init_discard_map_done:
if (__is_large_section(sbi))
get_sec_entry(sbi, start)->valid_blocks +=
se->valid_blocks;
@@ -4736,7 +4735,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
return;

mutex_lock(&dirty_i->seglist_lock);
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
valid_blocks = get_valid_blocks(sbi, segno, true);
secno = GET_SEC_FROM_SEG(sbi, segno);

@@ -4835,7 +4834,7 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
if (curseg->alloc_type == SSR)
continue;

- for (blkofs += 1; blkofs < sbi->blocks_per_seg; blkofs++) {
+ for (blkofs += 1; blkofs < BLKS_PER_SEG(sbi); blkofs++) {
if (!f2fs_test_bit(blkofs, se->cur_valid_map))
continue;
out:
@@ -5114,7 +5113,7 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
unsigned int secno;

if (!sbi->unusable_blocks_per_sec)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);

secno = GET_SEC_FROM_SEG(sbi, segno);
seg_start = START_BLOCK(sbi, segno);
@@ -5129,10 +5128,10 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
*/
if (seg_start >= sec_cap_blkaddr)
return 0;
- if (seg_start + sbi->blocks_per_seg > sec_cap_blkaddr)
+ if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
return sec_cap_blkaddr - seg_start;

- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
@@ -5158,7 +5157,7 @@ unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return f2fs_usable_zone_blks_in_seg(sbi, segno);

- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}

unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
@@ -5167,7 +5166,7 @@ unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return CAP_SEGS_PER_SEC(sbi);

- return sbi->segs_per_sec;
+ return SEGS_PER_SEC(sbi);
}

/*
@@ -5182,14 +5181,14 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)

sit_i->min_mtime = ULLONG_MAX;

- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
unsigned int i;
unsigned long long mtime = 0;

- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, segno + i)->mtime;

- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));

if (sit_i->min_mtime > mtime)
sit_i->min_mtime = mtime;
@@ -5228,7 +5227,7 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->ipu_policy = BIT(F2FS_IPU_FSYNC);
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
- sm_info->min_seq_blocks = sbi->blocks_per_seg;
+ sm_info->min_seq_blocks = BLKS_PER_SEG(sbi);
sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
sm_info->min_ssr_sections = reserved_sections(sbi);

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 8129be788bd5..96cec83012f1 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -99,8 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
((!__is_valid_data_blkaddr(blk_addr)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define BLKS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
#define CAP_BLKS_PER_SEC(sbi) \
((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
(sbi)->unusable_blocks_per_sec)
@@ -364,7 +362,7 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
unsigned int blocks = 0;
int i;

- for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++, start_segno++) {
struct seg_entry *se = get_seg_entry(sbi, start_segno);

blocks += se->ckpt_valid_blocks;
@@ -449,7 +447,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
free_i->free_segments++;

next = find_next_bit(free_i->free_segmap,
- start_segno + sbi->segs_per_sec, start_segno);
+ start_segno + SEGS_PER_SEC(sbi), start_segno);
if (next >= start_segno + usable_segs) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
@@ -485,7 +483,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
if (!inmem && IS_CURSEC(sbi, secno))
goto skip_free;
next = find_next_bit(free_i->free_segmap,
- start_segno + sbi->segs_per_sec, start_segno);
+ start_segno + SEGS_PER_SEC(sbi), start_segno);
if (next >= start_segno + usable_segs) {
if (test_and_clear_bit(secno, free_i->free_secmap))
free_i->free_sections++;
@@ -793,10 +791,10 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
return -EFSCORRUPTED;
}

- if (usable_blks_per_seg < sbi->blocks_per_seg)
+ if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
- sbi->blocks_per_seg,
- usable_blks_per_seg) != sbi->blocks_per_seg);
+ BLKS_PER_SEG(sbi),
+ usable_blks_per_seg) != BLKS_PER_SEG(sbi));

/* check segment usage, and check boundary of a given segment number */
if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
@@ -915,9 +913,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
return 0;

if (type == DATA)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
else if (type == NODE)
- return 8 * sbi->blocks_per_seg;
+ return 8 * BLKS_PER_SEG(sbi);
else if (type == META)
return 8 * BIO_MAX_VECS;
else
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f1516fd5088a..c0688c124aa7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3643,7 +3643,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
}

main_segs = le32_to_cpu(raw_super->segment_count_main);
- blocks_per_seg = sbi->blocks_per_seg;
+ blocks_per_seg = BLKS_PER_SEG(sbi);

for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
@@ -3756,8 +3756,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);
sbi->total_sections = le32_to_cpu(raw_super->section_count);
sbi->total_node_count =
- (le32_to_cpu(raw_super->segment_count_nat) / 2)
- * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
+ ((le32_to_cpu(raw_super->segment_count_nat) / 2) *
+ NAT_ENTRY_PER_BLOCK) << sbi->log_blocks_per_seg;
F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
@@ -3766,7 +3766,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
- sbi->migration_granularity = sbi->segs_per_sec;
+ sbi->migration_granularity = SEGS_PER_SEC(sbi);
sbi->seq_file_ra_mul = MIN_RA_MUL;
sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index a7ec55c7bb20..906d2af2d849 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -493,8 +493,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
spin_lock(&sbi->stat_lock);
if (t > (unsigned long)(sbi->user_block_count -
F2FS_OPTION(sbi).root_reserved_blocks -
- sbi->blocks_per_seg *
- SM_I(sbi)->additional_reserved_segments)) {
+ (SM_I(sbi)->additional_reserved_segments <<
+ sbi->log_blocks_per_seg))) {
spin_unlock(&sbi->stat_lock);
return -EINVAL;
}
@@ -551,7 +551,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
}

if (!strcmp(a->attr.name, "migration_granularity")) {
- if (t == 0 || t > sbi->segs_per_sec)
+ if (t == 0 || t > SEGS_PER_SEC(sbi))
return -EINVAL;
}

--
2.43.0.687.g38aa6559b0-goog

2024-02-20 07:05:10

by Chao Yu

Subject: Re: [f2fs-dev] [PATCH 1/3] f2fs: deprecate io_bits

On 2024/2/7 8:51, Jaegeuk Kim wrote:
> Let's deprecate an unused io_bits feature to save CPU cycles and memory.
>
> Signed-off-by: Jaegeuk Kim <[email protected]>

Reviewed-by: Chao Yu <[email protected]>

Thanks,

2024-02-20 07:31:20

by Chao Yu

Subject: Re: [f2fs-dev] [PATCH 2/3 v2] f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC

On 2024/2/13 2:10, Jaegeuk Kim wrote:

How do you think of appending below diff which cleans up missing
parts?

---
fs/f2fs/f2fs.h | 2 +-
fs/f2fs/file.c | 4 ++--
fs/f2fs/segment.c | 4 ++--
fs/f2fs/segment.h | 22 +++++++++++-----------
fs/f2fs/super.c | 2 +-
5 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index c4488e12c56e..fc9328655de8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3491,7 +3491,7 @@ static inline __le32 *get_dnode_addr(struct inode *inode,
sizeof((f2fs_inode)->field)) \
<= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \

-#define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
+#define __is_large_section(sbi) (SEGS_PER_SEC(sbi) > 1)

#define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 20a26bb5b889..ef43d33278ea 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2997,8 +2997,8 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg)

if (!f2fs_is_multi_device(sbi) || sbi->s_ndevs - 1 <= range.dev_num ||
__is_large_section(sbi)) {
- f2fs_warn(sbi, "Can't flush %u in %d for segs_per_sec %u != 1",
- range.dev_num, sbi->s_ndevs, sbi->segs_per_sec);
+ f2fs_warn(sbi, "Can't flush %u in %d for SEGS_PER_SEC %u != 1",
+ range.dev_num, sbi->s_ndevs, SEGS_PER_SEC(sbi));
return -EINVAL;
}

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 97ac733ceffe..b59e29608ae7 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2750,7 +2750,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)
if (f2fs_need_rand_seg(sbi))
return get_random_u32_below(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));

- /* if segs_per_sec is large than 1, we need to keep original policy. */
+ /* if SEGS_PER_SEC() is large than 1, we need to keep original policy. */
if (__is_large_section(sbi))
return curseg->segno;

@@ -3498,7 +3498,7 @@ int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
*/
if (segment_full) {
if (type == CURSEG_COLD_DATA_PINNED &&
- !((curseg->segno + 1) % sbi->segs_per_sec))
+ !((curseg->segno + 1) % SEGS_PER_SEC(sbi)))
goto skip_new_segment;

if (from_gc) {
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index cb982af765c3..63f278210654 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -48,21 +48,21 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,

#define IS_CURSEC(sbi, secno) \
(((secno) == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_WARM_DATA)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_COLD_DATA)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_HOT_NODE)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_WARM_NODE)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_COLD_DATA_PINNED)->segno / \
- (sbi)->segs_per_sec) || \
+ SEGS_PER_SEC(sbi)) || \
((secno) == CURSEG_I(sbi, CURSEG_ALL_DATA_ATGC)->segno / \
- (sbi)->segs_per_sec))
+ SEGS_PER_SEC(sbi)))

#define MAIN_BLKADDR(sbi) \
(SM_I(sbi) ? SM_I(sbi)->main_blkaddr : \
@@ -93,7 +93,7 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
#define GET_SEGNO_FROM_SEG0(sbi, blk_addr) \
(GET_SEGOFF_FROM_SEG0(sbi, blk_addr) >> (sbi)->log_blocks_per_seg)
#define GET_BLKOFF_FROM_SEG0(sbi, blk_addr) \
- (GET_SEGOFF_FROM_SEG0(sbi, blk_addr) & ((sbi)->blocks_per_seg - 1))
+ (GET_SEGOFF_FROM_SEG0(sbi, blk_addr) & (BLKS_PER_SEG(sbi) - 1))

#define GET_SEGNO(sbi, blk_addr) \
((!__is_valid_data_blkaddr(blk_addr) || \
@@ -101,9 +101,9 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
#define GET_SEC_FROM_SEG(sbi, segno) \
- (((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
+ (((segno) == -1) ? -1 : (segno) / SEGS_PER_SEC(sbi))
#define GET_SEG_FROM_SEC(sbi, secno) \
- ((secno) * (sbi)->segs_per_sec)
+ ((secno) * SEGS_PER_SEC(sbi))
#define GET_ZONE_FROM_SEC(sbi, secno) \
(((secno) == -1) ? -1 : (secno) / (sbi)->secs_per_zone)
#define GET_ZONE_FROM_SEG(sbi, segno) \
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 2a8b6cfaf683..9d2c680a61f5 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4723,7 +4723,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
.reason = CP_DISCARD,
.trim_start = 0,
.trim_end = MAIN_SEGS(sbi) - 1,
- .trim_minlen = sbi->blocks_per_seg,
+ .trim_minlen = BLKS_PER_SEG(sbi),
};
f2fs_write_checkpoint(sbi, &cpc);
}
--
2.40.1

2024-02-20 09:51:25

by Chao Yu

Subject: Re: [f2fs-dev] [PATCH 3/3 v2] f2fs: kill zone-capacity support

Jaegeuk, Daeho,

Do we need Cc WD guys? Not sure whether they need this feature...

For ZUFS: 1) will it only exports 2MB-aligned zone size, and 2) its zone
capacity equals zone size?

Thanks,

On 2024/2/8 7:29, Jaegeuk Kim wrote:
> Since we don't see any user, let's kill.
>
> Signed-off-by: Jaegeuk Kim <[email protected]>
> ---
>
> from v1:
> - keep setting the seq bit
>
> Documentation/ABI/testing/sysfs-fs-f2fs | 6 --
> fs/f2fs/debug.c | 7 +-
> fs/f2fs/f2fs.h | 5 --
> fs/f2fs/file.c | 6 +-
> fs/f2fs/gc.c | 33 +++------
> fs/f2fs/gc.h | 26 -------
> fs/f2fs/segment.c | 93 +++----------------------
> fs/f2fs/segment.h | 41 ++++-------
> fs/f2fs/super.c | 16 ++---
> fs/f2fs/sysfs.c | 6 --
> 10 files changed, 44 insertions(+), 195 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
> index 48c135e24eb5..dff8c87d87dd 100644
> --- a/Documentation/ABI/testing/sysfs-fs-f2fs
> +++ b/Documentation/ABI/testing/sysfs-fs-f2fs
> @@ -628,12 +628,6 @@ Contact: "Jaegeuk Kim" <[email protected]>
> Description: Controls max # of node block writes to be used for roll forward
> recovery. This can limit the roll forward recovery time.
>
> -What: /sys/fs/f2fs/<disk>/unusable_blocks_per_sec
> -Date: June 2022
> -Contact: "Jaegeuk Kim" <[email protected]>
> -Description: Shows the number of unusable blocks in a section which was defined by
> - the zone capacity reported by underlying zoned device.
> -
> What: /sys/fs/f2fs/<disk>/current_atomic_write
> Date: July 2022
> Contact: "Daeho Jeong" <[email protected]>
> diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
> index 0d02224b99b7..6617195bd27e 100644
> --- a/fs/f2fs/debug.c
> +++ b/fs/f2fs/debug.c
> @@ -32,21 +32,20 @@ static struct dentry *f2fs_debugfs_root;
> void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
> {
> struct f2fs_stat_info *si = F2FS_STAT(sbi);
> - unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
> + unsigned long long hblks_per_sec, total_vblocks;
> unsigned long long bimodal, dist;
> unsigned int segno, vblocks;
> int ndirty = 0;
>
> bimodal = 0;
> total_vblocks = 0;
> - blks_per_sec = CAP_BLKS_PER_SEC(sbi);
> - hblks_per_sec = blks_per_sec / 2;
> + hblks_per_sec = BLKS_PER_SEC(sbi) / 2;
> for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
> vblocks = get_valid_blocks(sbi, segno, true);
> dist = abs(vblocks - hblks_per_sec);
> bimodal += dist * dist;
>
> - if (vblocks > 0 && vblocks < blks_per_sec) {
> + if (vblocks > 0 && vblocks < BLKS_PER_SEC(sbi)) {
> total_vblocks += vblocks;
> ndirty++;
> }
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 9a9e858083af..34d718301392 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -1618,7 +1618,6 @@ struct f2fs_sb_info {
> unsigned int meta_ino_num; /* meta inode number*/
> unsigned int log_blocks_per_seg; /* log2 blocks per segment */
> unsigned int blocks_per_seg; /* blocks per segment */
> - unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
> unsigned int segs_per_sec; /* segments per section */
> unsigned int secs_per_zone; /* sections per zone */
> unsigned int total_sections; /* total section count */
> @@ -3743,10 +3742,6 @@ void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
> int __init f2fs_create_segment_manager_caches(void);
> void f2fs_destroy_segment_manager_caches(void);
> int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
> -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> - unsigned int segno);
> -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno);
>
> #define DEF_FRAGMENT_SIZE 4
> #define MIN_FRAGMENT_SIZE 1
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index b0be576b2090..2c13b340c8a0 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -1717,7 +1717,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
> return 0;
>
> if (f2fs_is_pinned_file(inode)) {
> - block_t sec_blks = CAP_BLKS_PER_SEC(sbi);
> + block_t sec_blks = BLKS_PER_SEC(sbi);
> block_t sec_len = roundup(map.m_len, sec_blks);
>
> map.m_len = sec_blks;
> @@ -2525,7 +2525,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range)
> ret = -EAGAIN;
> goto out;
> }
> - range->start += CAP_BLKS_PER_SEC(sbi);
> + range->start += BLKS_PER_SEC(sbi);
> if (range->start <= end)
> goto do_more;
> out:
> @@ -2654,7 +2654,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
> goto out;
> }
>
> - sec_num = DIV_ROUND_UP(total, CAP_BLKS_PER_SEC(sbi));
> + sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));
>
> /*
> * make sure there are enough free section for LFS allocation, this can
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index d61a60c1c844..0a1a50b68df8 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -340,14 +340,13 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
> unsigned char age = 0;
> unsigned char u;
> unsigned int i;
> - unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi, segno);
>
> - for (i = 0; i < usable_segs_per_sec; i++)
> + for (i = 0; i < SEGS_PER_SEC(sbi); i++)
> mtime += get_seg_entry(sbi, start + i)->mtime;
> vblocks = get_valid_blocks(sbi, segno, true);
>
> - mtime = div_u64(mtime, usable_segs_per_sec);
> - vblocks = div_u64(vblocks, usable_segs_per_sec);
> + mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
> + vblocks = div_u64(vblocks, SEGS_PER_SEC(sbi));
>
> u = (vblocks * 100) >> sbi->log_blocks_per_seg;
>
> @@ -530,7 +529,6 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
> unsigned long long age, u, accu;
> unsigned long long max_mtime = sit_i->dirty_max_mtime;
> unsigned long long min_mtime = sit_i->dirty_min_mtime;
> - unsigned int sec_blocks = CAP_BLKS_PER_SEC(sbi);
> unsigned int vblocks;
> unsigned int dirty_threshold = max(am->max_candidate_count,
> am->candidate_ratio *
> @@ -560,13 +558,13 @@ static void atgc_lookup_victim(struct f2fs_sb_info *sbi,
>
> /* age = 10000 * x% * 60 */
> age = div64_u64(accu * (max_mtime - ve->mtime), total_time) *
> - age_weight;
> + age_weight;
>
> vblocks = get_valid_blocks(sbi, ve->segno, true);
> - f2fs_bug_on(sbi, !vblocks || vblocks == sec_blocks);
> + f2fs_bug_on(sbi, !vblocks || vblocks == BLKS_PER_SEC(sbi));
>
> /* u = 10000 * x% * 40 */
> - u = div64_u64(accu * (sec_blocks - vblocks), sec_blocks) *
> + u = div64_u64(accu * (BLKS_PER_SEC(sbi) - vblocks), BLKS_PER_SEC(sbi)) *
> (100 - age_weight);
>
> f2fs_bug_on(sbi, age + u >= UINT_MAX);
> @@ -1003,7 +1001,6 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> int phase = 0;
> bool fggc = (gc_type == FG_GC);
> int submitted = 0;
> - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> start_addr = START_BLOCK(sbi, segno);
>
> @@ -1013,7 +1010,7 @@ static int gc_node_segment(struct f2fs_sb_info *sbi,
> if (fggc && phase == 2)
> atomic_inc(&sbi->wb_sync_req[NODE]);
>
> - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> nid_t nid = le32_to_cpu(entry->nid);
> struct page *node_page;
> struct node_info ni;
> @@ -1498,14 +1495,13 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> int off;
> int phase = 0;
> int submitted = 0;
> - unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> start_addr = START_BLOCK(sbi, segno);
>
> next_step:
> entry = sum;
>
> - for (off = 0; off < usable_blks_in_seg; off++, entry++) {
> + for (off = 0; off < BLKS_PER_SEG(sbi); off++, entry++) {
> struct page *data_page;
> struct inode *inode;
> struct node_info dni; /* dnode info for the data */
> @@ -1520,7 +1516,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
> */
> if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
> (!force_migrate && get_valid_blocks(sbi, segno, true) ==
> - CAP_BLKS_PER_SEC(sbi)))
> + BLKS_PER_SEC(sbi)))
> return submitted;
>
> if (check_valid_map(sbi, segno, off) == 0)
> @@ -1680,15 +1676,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> if (__is_large_section(sbi))
> end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));
>
> - /*
> - * zone-capacity can be less than zone-size in zoned devices,
> - * resulting in less than expected usable segments in the zone,
> - * calculate the end segno in the zone which can be garbage collected
> - */
> - if (f2fs_sb_has_blkzoned(sbi))
> - end_segno -= SEGS_PER_SEC(sbi) -
> - f2fs_usable_segs_in_sec(sbi, segno);
> -
> sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
>
> /* readahead multi ssa blocks those have contiguous address */
> @@ -1862,7 +1849,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
>
> total_freed += seg_freed;
>
> - if (seg_freed == f2fs_usable_segs_in_sec(sbi, segno)) {
> + if (seg_freed == SEGS_PER_SEC(sbi)) {
> sec_freed++;
> total_sec_freed++;
> }
> diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
> index 28a00942802c..e4a75aa4160f 100644
> --- a/fs/f2fs/gc.h
> +++ b/fs/f2fs/gc.h
> @@ -68,34 +68,8 @@ struct victim_entry {
> * inline functions
> */
>
> -/*
> - * On a Zoned device zone-capacity can be less than zone-size and if
> - * zone-capacity is not aligned to f2fs segment size(2MB), then the segment
> - * starting just before zone-capacity has some blocks spanning across the
> - * zone-capacity, these blocks are not usable.
> - * Such spanning segments can be in free list so calculate the sum of usable
> - * blocks in currently free segments including normal and spanning segments.
> - */
> -static inline block_t free_segs_blk_count_zoned(struct f2fs_sb_info *sbi)
> -{
> - block_t free_seg_blks = 0;
> - struct free_segmap_info *free_i = FREE_I(sbi);
> - int j;
> -
> - spin_lock(&free_i->segmap_lock);
> - for (j = 0; j < MAIN_SEGS(sbi); j++)
> - if (!test_bit(j, free_i->free_segmap))
> - free_seg_blks += f2fs_usable_blks_in_seg(sbi, j);
> - spin_unlock(&free_i->segmap_lock);
> -
> - return free_seg_blks;
> -}
> -
> static inline block_t free_segs_blk_count(struct f2fs_sb_info *sbi)
> {
> - if (f2fs_sb_has_blkzoned(sbi))
> - return free_segs_blk_count_zoned(sbi);
> -
> return free_segments(sbi) << sbi->log_blocks_per_seg;
> }
>
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 8d330664b925..1013276ad12a 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -769,7 +769,7 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> get_valid_blocks(sbi, segno, true);
>
> f2fs_bug_on(sbi, unlikely(!valid_blocks ||
> - valid_blocks == CAP_BLKS_PER_SEC(sbi)));
> + valid_blocks == BLKS_PER_SEC(sbi)));
>
> if (!IS_CURSEC(sbi, secno))
> set_bit(secno, dirty_i->dirty_secmap);
> @@ -805,7 +805,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
>
> if (!valid_blocks ||
> - valid_blocks == CAP_BLKS_PER_SEC(sbi)) {
> + valid_blocks == BLKS_PER_SEC(sbi)) {
> clear_bit(secno, dirty_i->dirty_secmap);
> return;
> }
> @@ -825,22 +825,20 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
> {
> struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> unsigned short valid_blocks, ckpt_valid_blocks;
> - unsigned int usable_blocks;
>
> if (segno == NULL_SEGNO || IS_CURSEG(sbi, segno))
> return;
>
> - usable_blocks = f2fs_usable_blks_in_seg(sbi, segno);
> mutex_lock(&dirty_i->seglist_lock);
>
> valid_blocks = get_valid_blocks(sbi, segno, false);
> ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);
>
> if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
> - ckpt_valid_blocks == usable_blocks)) {
> + ckpt_valid_blocks == BLKS_PER_SEG(sbi))) {
> __locate_dirty_segment(sbi, segno, PRE);
> __remove_dirty_segment(sbi, segno, DIRTY);
> - } else if (valid_blocks < usable_blocks) {
> + } else if (valid_blocks < BLKS_PER_SEG(sbi)) {
> __locate_dirty_segment(sbi, segno, DIRTY);
> } else {
> /* Recovery routine with SSR needs this */
> @@ -882,12 +880,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
> mutex_lock(&dirty_i->seglist_lock);
> for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
> se = get_seg_entry(sbi, segno);
> - if (IS_NODESEG(se->type))
> - holes[NODE] += f2fs_usable_blks_in_seg(sbi, segno) -
> - se->valid_blocks;
> - else
> - holes[DATA] += f2fs_usable_blks_in_seg(sbi, segno) -
> - se->valid_blocks;
> + holes[SE_PAGETYPE(se)] += BLKS_PER_SEG(sbi) - se->valid_blocks;
> }
> mutex_unlock(&dirty_i->seglist_lock);
>
> @@ -2406,8 +2399,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
> new_vblocks = se->valid_blocks + del;
> offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
>
> - f2fs_bug_on(sbi, (new_vblocks < 0 ||
> - (new_vblocks > f2fs_usable_blks_in_seg(sbi, segno))));
> + f2fs_bug_on(sbi, new_vblocks < 0 || new_vblocks > BLKS_PER_SEG(sbi));
>
> se->valid_blocks = new_vblocks;
>
> @@ -3449,7 +3441,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
> if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
> f2fs_randomize_chunk(sbi, curseg);
> }
> - if (curseg->next_blkoff >= f2fs_usable_blks_in_seg(sbi, curseg->segno))
> + if (curseg->next_blkoff >= BLKS_PER_SEG(sbi))
> segment_full = true;
> stat_inc_block_count(sbi, curseg);
>
> @@ -4687,8 +4679,6 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
> struct seg_entry *sentry;
>
> for (start = 0; start < MAIN_SEGS(sbi); start++) {
> - if (f2fs_usable_blks_in_seg(sbi, start) == 0)
> - continue;
> sentry = get_seg_entry(sbi, start);
> if (!sentry->valid_blocks)
> __set_free(sbi, start);
> @@ -4710,7 +4700,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
> struct free_segmap_info *free_i = FREE_I(sbi);
> unsigned int segno = 0, offset = 0, secno;
> - block_t valid_blocks, usable_blks_in_seg;
> + block_t valid_blocks;
>
> while (1) {
> /* find dirty segment based on free segmap */
> @@ -4719,10 +4709,9 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> break;
> offset = segno + 1;
> valid_blocks = get_valid_blocks(sbi, segno, false);
> - usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno);
> - if (valid_blocks == usable_blks_in_seg || !valid_blocks)
> + if (valid_blocks == BLKS_PER_SEG(sbi) || !valid_blocks)
> continue;
> - if (valid_blocks > usable_blks_in_seg) {
> + if (valid_blocks > BLKS_PER_SEG(sbi)) {
> f2fs_bug_on(sbi, 1);
> continue;
> }
> @@ -4739,7 +4728,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
> valid_blocks = get_valid_blocks(sbi, segno, true);
> secno = GET_SEC_FROM_SEG(sbi, segno);
>
> - if (!valid_blocks || valid_blocks == CAP_BLKS_PER_SEC(sbi))
> + if (!valid_blocks || valid_blocks == BLKS_PER_SEC(sbi))
> continue;
> if (IS_CURSEC(sbi, secno))
> continue;
> @@ -5097,42 +5086,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
>
> return 0;
> }
> -
> -/*
> - * Return the number of usable blocks in a segment. The number of blocks
> - * returned is always equal to the number of blocks in a segment for
> - * segments fully contained within a sequential zone capacity or a
> - * conventional zone. For segments partially contained in a sequential
> - * zone capacity, the number of usable blocks up to the zone capacity
> - * is returned. 0 is returned in all other cases.
> - */
> -static inline unsigned int f2fs_usable_zone_blks_in_seg(
> - struct f2fs_sb_info *sbi, unsigned int segno)
> -{
> - block_t seg_start, sec_start_blkaddr, sec_cap_blkaddr;
> - unsigned int secno;
> -
> - if (!sbi->unusable_blocks_per_sec)
> - return BLKS_PER_SEG(sbi);
> -
> - secno = GET_SEC_FROM_SEG(sbi, segno);
> - seg_start = START_BLOCK(sbi, segno);
> - sec_start_blkaddr = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, secno));
> - sec_cap_blkaddr = sec_start_blkaddr + CAP_BLKS_PER_SEC(sbi);
> -
> - /*
> - * If segment starts before zone capacity and spans beyond
> - * zone capacity, then usable blocks are from seg start to
> - * zone capacity. If the segment starts after the zone capacity,
> - * then there are no usable blocks.
> - */
> - if (seg_start >= sec_cap_blkaddr)
> - return 0;
> - if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
> - return sec_cap_blkaddr - seg_start;
> -
> - return BLKS_PER_SEG(sbi);
> -}
> #else
> int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
> {
> @@ -5143,31 +5096,7 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
> {
> return 0;
> }
> -
> -static inline unsigned int f2fs_usable_zone_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - return 0;
> -}
> -
> #endif
> -unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - if (f2fs_sb_has_blkzoned(sbi))
> - return f2fs_usable_zone_blks_in_seg(sbi, segno);
> -
> - return BLKS_PER_SEG(sbi);
> -}
> -
> -unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
> - unsigned int segno)
> -{
> - if (f2fs_sb_has_blkzoned(sbi))
> - return CAP_SEGS_PER_SEC(sbi);
> -
> - return SEGS_PER_SEC(sbi);
> -}
>
> /*
> * Update min, max modified time for cost-benefit GC algorithm
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index 96cec83012f1..b725ae1a7043 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -99,12 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
> ((!__is_valid_data_blkaddr(blk_addr)) ? \
> NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
> GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
> -#define CAP_BLKS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
> - (sbi)->unusable_blocks_per_sec)
> -#define CAP_SEGS_PER_SEC(sbi) \
> - ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
> - (sbi)->log_blocks_per_seg))
> #define GET_SEC_FROM_SEG(sbi, segno) \
> (((segno) == -1) ? -1 : (segno) / (sbi)->segs_per_sec)
> #define GET_SEG_FROM_SEC(sbi, secno) \
> @@ -440,7 +434,6 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> unsigned int next;
> - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
>
> spin_lock(&free_i->segmap_lock);
> clear_bit(segno, free_i->free_segmap);
> @@ -448,7 +441,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
>
> next = find_next_bit(free_i->free_segmap,
> start_segno + SEGS_PER_SEC(sbi), start_segno);
> - if (next >= start_segno + usable_segs) {
> + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> clear_bit(secno, free_i->free_secmap);
> free_i->free_sections++;
> }
> @@ -474,7 +467,6 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
> unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
> unsigned int next;
> - unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
>
> spin_lock(&free_i->segmap_lock);
> if (test_and_clear_bit(segno, free_i->free_segmap)) {
> @@ -484,7 +476,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
> goto skip_free;
> next = find_next_bit(free_i->free_segmap,
> start_segno + SEGS_PER_SEC(sbi), start_segno);
> - if (next >= start_segno + usable_segs) {
> + if (next >= start_segno + SEGS_PER_SEC(sbi)) {
> if (test_and_clear_bit(secno, free_i->free_secmap))
> free_i->free_sections++;
> }
> @@ -577,16 +569,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
> /* check current node segment */
> for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
> segno = CURSEG_I(sbi, i)->segno;
> - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> + left_blocks = BLKS_PER_SEG(sbi) -
> get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> -
> if (node_blocks > left_blocks)
> return false;
> }
>
> /* check current data segment */
> segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
> - left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
> + left_blocks = BLKS_PER_SEG(sbi) -
> get_seg_entry(sbi, segno)->ckpt_valid_blocks;
> if (dent_blocks > left_blocks)
> return false;
> @@ -604,10 +595,10 @@ static inline void __get_secs_required(struct f2fs_sb_info *sbi,
> get_pages(sbi, F2FS_DIRTY_DENTS) +
> get_pages(sbi, F2FS_DIRTY_IMETA);
> unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
> - unsigned int node_secs = total_node_blocks / CAP_BLKS_PER_SEC(sbi);
> - unsigned int dent_secs = total_dent_blocks / CAP_BLKS_PER_SEC(sbi);
> - unsigned int node_blocks = total_node_blocks % CAP_BLKS_PER_SEC(sbi);
> - unsigned int dent_blocks = total_dent_blocks % CAP_BLKS_PER_SEC(sbi);
> + unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
> + unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
> + unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
> + unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);
>
> if (lower_p)
> *lower_p = node_secs + dent_secs;
> @@ -766,22 +757,21 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
> int valid_blocks = 0;
> int cur_pos = 0, next_pos;
> - unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);
>
> /* check bitmap with valid block count */
> do {
> if (is_valid) {
> next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
> - usable_blks_per_seg,
> + BLKS_PER_SEG(sbi),
> cur_pos);
> valid_blocks += next_pos - cur_pos;
> } else
> next_pos = find_next_bit_le(&raw_sit->valid_map,
> - usable_blks_per_seg,
> + BLKS_PER_SEG(sbi),
> cur_pos);
> cur_pos = next_pos;
> is_valid = !is_valid;
> - } while (cur_pos < usable_blks_per_seg);
> + } while (cur_pos < BLKS_PER_SEG(sbi));
>
> if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
> f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
> @@ -791,14 +781,9 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> return -EFSCORRUPTED;
> }
>
> - if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
> - f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
> - BLKS_PER_SEG(sbi),
> - usable_blks_per_seg) != BLKS_PER_SEG(sbi));
> -
> /* check segment usage, and check boundary of a given segment number */
> - if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
> - || !valid_main_segno(sbi, segno))) {
> + if (unlikely(GET_SIT_VBLOCKS(raw_sit) > BLKS_PER_SEG(sbi) ||
> + !valid_main_segno(sbi, segno))) {
> f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
> GET_SIT_VBLOCKS(raw_sit), segno);
> set_sbi_flag(sbi, SBI_NEED_FSCK);
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index c0688c124aa7..cd6a56020a5d 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -3837,21 +3837,13 @@ static int f2fs_report_zone_cb(struct blk_zone *zone, unsigned int idx,
> void *data)
> {
> struct f2fs_report_zones_args *rz_args = data;
> - block_t unusable_blocks = (zone->len - zone->capacity) >>
> - F2FS_LOG_SECTORS_PER_BLOCK;
>
> - if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
> - return 0;
> -
> - set_bit(idx, rz_args->dev->blkz_seq);
> - if (!rz_args->sbi->unusable_blocks_per_sec) {
> - rz_args->sbi->unusable_blocks_per_sec = unusable_blocks;
> - return 0;
> - }
> - if (rz_args->sbi->unusable_blocks_per_sec != unusable_blocks) {
> - f2fs_err(rz_args->sbi, "F2FS supports single zone capacity\n");
> + if (zone->len != zone->capacity) {
> + f2fs_err(rz_args->sbi, "F2FS does not support zone capacity.\n");
> return -EINVAL;
> }
> + if (zone->type != BLK_ZONE_TYPE_CONVENTIONAL)
> + set_bit(idx, rz_args->dev->blkz_seq);
> return 0;
> }
>
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 906d2af2d849..2689cc9c3bf8 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -1018,9 +1018,6 @@ F2FS_SBI_GENERAL_RW_ATTR(revoked_atomic_block);
> F2FS_SBI_GENERAL_RW_ATTR(hot_data_age_threshold);
> F2FS_SBI_GENERAL_RW_ATTR(warm_data_age_threshold);
> F2FS_SBI_GENERAL_RW_ATTR(last_age_weight);
> -#ifdef CONFIG_BLK_DEV_ZONED
> -F2FS_SBI_GENERAL_RO_ATTR(unusable_blocks_per_sec);
> -#endif
>
> /* STAT_INFO ATTR */
> #ifdef CONFIG_F2FS_STAT_FS
> @@ -1172,9 +1169,6 @@ static struct attribute *f2fs_attrs[] = {
> ATTR_LIST(moved_blocks_background),
> ATTR_LIST(avg_vblocks),
> #endif
> -#ifdef CONFIG_BLK_DEV_ZONED
> - ATTR_LIST(unusable_blocks_per_sec),
> -#endif
> #ifdef CONFIG_F2FS_FS_COMPRESSION
> ATTR_LIST(compr_written_block),
> ATTR_LIST(compr_saved_block),