2024-02-20 03:15:33

by Chao Yu

Subject: [PATCH v2] f2fs: introduce get_available_block_count() for cleanup

There are very similar codes in inc_valid_block_count() and
inc_valid_node_count() which is used for available user block
count calculation.

This patch introduces a new helper get_available_block_count()
to include those common codes, and used it to clean up codes.

Signed-off-by: Chao Yu <[email protected]>
---
v2:
- rebase to last dev-test branch
fs/f2fs/f2fs.h | 49 +++++++++++++++++++++++++++----------------------
1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 2b6c8de8737e..a1640be7dcbe 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2278,6 +2278,27 @@ static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
return false;
}

+static inline unsigned int get_available_block_count(struct f2fs_sb_info *sbi,
+ struct inode *inode, bool cap)
+{
+ block_t avail_user_block_count;
+
+ avail_user_block_count = sbi->user_block_count -
+ sbi->current_reserved_blocks;
+
+ if (!__allow_reserved_blocks(sbi, inode, cap))
+ avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
+
+ 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;
+ else
+ avail_user_block_count = 0;
+ }
+
+ return avail_user_block_count;
+}
+
static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
struct inode *inode, blkcnt_t *count, bool partial)
@@ -2303,18 +2324,8 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,

spin_lock(&sbi->stat_lock);
sbi->total_valid_block_count += (block_t)(*count);
- avail_user_block_count = sbi->user_block_count -
- sbi->current_reserved_blocks;
+ avail_user_block_count = get_available_block_count(sbi, inode, true);

- if (!__allow_reserved_blocks(sbi, inode, true))
- avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
-
- 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;
- else
- avail_user_block_count = 0;
- }
if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
if (!partial) {
spin_unlock(&sbi->stat_lock);
@@ -2610,7 +2621,8 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
struct inode *inode, bool is_inode)
{
block_t valid_block_count;
- unsigned int valid_node_count, user_block_count;
+ unsigned int valid_node_count;
+ unsigned int avail_user_block_count;
int err;

if (is_inode) {
@@ -2630,17 +2642,10 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,

spin_lock(&sbi->stat_lock);

- valid_block_count = sbi->total_valid_block_count +
- sbi->current_reserved_blocks + 1;
-
- if (!__allow_reserved_blocks(sbi, inode, false))
- valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
-
- user_block_count = sbi->user_block_count;
- if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
- user_block_count -= sbi->unusable_block_count;
+ valid_block_count = sbi->total_valid_block_count + 1;
+ avail_user_block_count = get_available_block_count(sbi, inode, false);

- if (unlikely(valid_block_count > user_block_count)) {
+ if (unlikely(valid_block_count > avail_user_block_count)) {
spin_unlock(&sbi->stat_lock);
goto enospc;
}
--
2.40.1

2024-02-21 18:10:49

by patchwork-bot+f2fs

Subject: Re: [f2fs-dev] [PATCH v2] f2fs: introduce get_available_block_count() for cleanup

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:

On Tue, 20 Feb 2024 11:15:15 +0800 you wrote:
> There are very similar codes in inc_valid_block_count() and
> inc_valid_node_count() which is used for available user block
> count calculation.
>
> This patch introduces a new helper get_available_block_count()
> to include those common codes, and used it to clean up codes.
>
> [...]

Here is the summary with links:
- [f2fs-dev,v2] f2fs: introduce get_available_block_count() for cleanup
https://git.kernel.org/jaegeuk/f2fs/c/48238f7bb552

You are awesome, thank you!
--
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