From: mchristi@redhat.com Subject: [PATCH 25/45] bcache: use bio op accessors Date: Sun, 5 Jun 2016 14:32:05 -0500 Message-ID: <1465155145-10812-26-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Mike Christie To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Return-path: In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com List-Id: linux-ext4.vger.kernel.org From: Mike Christie Separate the op from the rq_flag_bits and have bcache set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie --- drivers/md/bcache/btree.c | 4 ++-- drivers/md/bcache/debug.c | 4 ++-- drivers/md/bcache/journal.c | 7 ++++--- drivers/md/bcache/movinggc.c | 2 +- drivers/md/bcache/request.c | 14 +++++++------- drivers/md/bcache/super.c | 24 +++++++++++++----------- drivers/md/bcache/writeback.c | 4 ++-- 7 files changed, 31 insertions(+), 28 deletions(-) diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index eab505e..76f7534 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -294,10 +294,10 @@ static void bch_btree_node_read(struct btree *b) closure_init_stack(&cl); bio = bch_bbio_alloc(b->c); - bio->bi_rw = REQ_META|READ_SYNC; bio->bi_iter.bi_size = KEY_SIZE(&b->key) << 9; bio->bi_end_io = btree_node_read_endio; bio->bi_private = &cl; + bio_set_op_attrs(bio, REQ_OP_READ, REQ_META|READ_SYNC); bch_bio_map(bio, b->keys.set[0].data); @@ -396,8 +396,8 @@ static void do_btree_node_write(struct btree *b) b->bio->bi_end_io = btree_node_write_endio; b->bio->bi_private = cl; - b->bio->bi_rw = REQ_META|WRITE_SYNC|REQ_FUA; b->bio->bi_iter.bi_size = roundup(set_bytes(i), block_bytes(b->c)); + bio_set_op_attrs(b->bio, REQ_OP_WRITE, REQ_META|WRITE_SYNC|REQ_FUA); bch_bio_map(b->bio, i); /* diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 52b6bcf..c28df164 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -52,7 +52,7 @@ void bch_btree_verify(struct btree *b) bio->bi_bdev = PTR_CACHE(b->c, &b->key, 0)->bdev; bio->bi_iter.bi_sector = PTR_OFFSET(&b->key, 0); bio->bi_iter.bi_size = KEY_SIZE(&v->key) << 9; - bio->bi_rw = REQ_META|READ_SYNC; + bio_set_op_attrs(bio, REQ_OP_READ, REQ_META|READ_SYNC); bch_bio_map(bio, sorted); submit_bio_wait(bio); @@ -114,7 +114,7 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio) check = bio_clone(bio, GFP_NOIO); if (!check) return; - check->bi_rw |= READ_SYNC; + bio_set_op_attrs(check, REQ_OP_READ, READ_SYNC); if (bio_alloc_pages(check, GFP_NOIO)) goto out_put; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index af3f9f7..a3c3b30 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -54,11 +54,11 @@ reread: left = ca->sb.bucket_size - offset; bio_reset(bio); bio->bi_iter.bi_sector = bucket + offset; bio->bi_bdev = ca->bdev; - bio->bi_rw = READ; bio->bi_iter.bi_size = len << 9; bio->bi_end_io = journal_read_endio; bio->bi_private = &cl; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bch_bio_map(bio, data); closure_bio_submit(bio, &cl); @@ -449,10 +449,10 @@ static void do_journal_discard(struct cache *ca) atomic_set(&ja->discard_in_flight, DISCARD_IN_FLIGHT); bio_init(bio); + bio_set_op_attrs(bio, REQ_OP_DISCARD, 0); bio->bi_iter.bi_sector = bucket_to_sector(ca->set, ca->sb.d[ja->discard_idx]); bio->bi_bdev = ca->bdev; - bio->bi_rw = REQ_WRITE|REQ_DISCARD; bio->bi_max_vecs = 1; bio->bi_io_vec = bio->bi_inline_vecs; bio->bi_iter.bi_size = bucket_bytes(ca); @@ -626,11 +626,12 @@ static void journal_write_unlocked(struct closure *cl) bio_reset(bio); bio->bi_iter.bi_sector = PTR_OFFSET(k, i); bio->bi_bdev = ca->bdev; - bio->bi_rw = REQ_WRITE|REQ_SYNC|REQ_META|REQ_FLUSH|REQ_FUA; bio->bi_iter.bi_size = sectors << 9; bio->bi_end_io = journal_write_endio; bio->bi_private = w; + bio_set_op_attrs(bio, REQ_OP_WRITE, + REQ_SYNC|REQ_META|REQ_FLUSH|REQ_FUA); bch_bio_map(bio, w->data); trace_bcache_journal_write(bio); diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c index b929fc9..1881319 100644 --- a/drivers/md/bcache/movinggc.c +++ b/drivers/md/bcache/movinggc.c @@ -163,7 +163,7 @@ static void read_moving(struct cache_set *c) moving_init(io); bio = &io->bio.bio; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bio->bi_end_io = read_moving_endio; if (bio_alloc_pages(bio, GFP_KERNEL)) diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 6b85a23..016b0aa 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -253,7 +253,7 @@ static void bch_data_insert_start(struct closure *cl) trace_bcache_cache_insert(k); bch_keylist_push(&op->insert_keys); - n->bi_rw |= REQ_WRITE; + bio_set_op_attrs(n, REQ_OP_WRITE, 0); bch_submit_bbio(n, op->c, k, 0); } while (n != bio); @@ -378,7 +378,7 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) || c->gc_stats.in_use > CUTOFF_CACHE_ADD || - (bio->bi_rw & REQ_DISCARD)) + (bio_op(bio) == REQ_OP_DISCARD)) goto skip; if (mode == CACHE_MODE_NONE || @@ -899,7 +899,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) * But check_overlapping drops dirty keys for which io hasn't started, * so we still want to call it. */ - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) s->iop.bypass = true; if (should_writeback(dc, s->orig_bio, @@ -913,7 +913,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) s->iop.bio = s->orig_bio; bio_get(s->iop.bio); - if (!(bio->bi_rw & REQ_DISCARD) || + if ((bio_op(bio) != REQ_OP_DISCARD) || blk_queue_discard(bdev_get_queue(dc->bdev))) closure_bio_submit(bio, cl); } else if (s->iop.writeback) { @@ -925,10 +925,10 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) struct bio *flush = bio_alloc_bioset(GFP_NOIO, 0, dc->disk.bio_split); - flush->bi_rw = WRITE_FLUSH; flush->bi_bdev = bio->bi_bdev; flush->bi_end_io = request_endio; flush->bi_private = cl; + bio_set_op_attrs(flush, REQ_OP_WRITE, WRITE_FLUSH); closure_bio_submit(flush, cl); } @@ -992,7 +992,7 @@ static blk_qc_t cached_dev_make_request(struct request_queue *q, cached_dev_read(dc, s); } } else { - if ((bio->bi_rw & REQ_DISCARD) && + if ((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(dc->bdev))) bio_endio(bio); else @@ -1103,7 +1103,7 @@ static blk_qc_t flash_dev_make_request(struct request_queue *q, &KEY(d->id, bio->bi_iter.bi_sector, 0), &KEY(d->id, bio_end_sector(bio), 0)); - s->iop.bypass = (bio->bi_rw & REQ_DISCARD) != 0; + s->iop.bypass = (bio_op(bio) == REQ_OP_DISCARD) != 0; s->iop.writeback = true; s->iop.bio = bio; diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 1eb526a7..c944daf7 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -212,8 +212,8 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) unsigned i; bio->bi_iter.bi_sector = SB_SECTOR; - bio->bi_rw = REQ_WRITE|REQ_SYNC|REQ_META; bio->bi_iter.bi_size = SB_SIZE; + bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC|REQ_META); bch_bio_map(bio, NULL); out->offset = cpu_to_le64(sb->offset); @@ -333,7 +333,7 @@ static void uuid_io_unlock(struct closure *cl) up(&c->uuid_write_mutex); } -static void uuid_io(struct cache_set *c, unsigned long rw, +static void uuid_io(struct cache_set *c, int op, unsigned long op_flags, struct bkey *k, struct closure *parent) { struct closure *cl = &c->uuid_write; @@ -348,21 +348,22 @@ static void uuid_io(struct cache_set *c, unsigned long rw, for (i = 0; i < KEY_PTRS(k); i++) { struct bio *bio = bch_bbio_alloc(c); - bio->bi_rw = REQ_SYNC|REQ_META|rw; + bio->bi_rw = REQ_SYNC|REQ_META|op_flags; bio->bi_iter.bi_size = KEY_SIZE(k) << 9; bio->bi_end_io = uuid_endio; bio->bi_private = cl; + bio_set_op_attrs(bio, op, REQ_SYNC|REQ_META|op_flags); bch_bio_map(bio, c->uuids); bch_submit_bbio(bio, c, k, i); - if (!(rw & WRITE)) + if (op != REQ_OP_WRITE) break; } bch_extent_to_text(buf, sizeof(buf), k); - pr_debug("%s UUIDs at %s", rw & REQ_WRITE ? "wrote" : "read", buf); + pr_debug("%s UUIDs at %s", op == REQ_OP_WRITE ? "wrote" : "read", buf); for (u = c->uuids; u < c->uuids + c->nr_uuids; u++) if (!bch_is_zero(u->uuid, 16)) @@ -381,7 +382,7 @@ static char *uuid_read(struct cache_set *c, struct jset *j, struct closure *cl) return "bad uuid pointer"; bkey_copy(&c->uuid_bucket, k); - uuid_io(c, READ_SYNC, k, cl); + uuid_io(c, REQ_OP_READ, READ_SYNC, k, cl); if (j->version < BCACHE_JSET_VERSION_UUIDv1) { struct uuid_entry_v0 *u0 = (void *) c->uuids; @@ -426,7 +427,7 @@ static int __uuid_write(struct cache_set *c) return 1; SET_KEY_SIZE(&k.key, c->sb.bucket_size); - uuid_io(c, REQ_WRITE, &k.key, &cl); + uuid_io(c, REQ_OP_WRITE, 0, &k.key, &cl); closure_sync(&cl); bkey_copy(&c->uuid_bucket, &k.key); @@ -498,7 +499,8 @@ static void prio_endio(struct bio *bio) closure_put(&ca->prio); } -static void prio_io(struct cache *ca, uint64_t bucket, unsigned long rw) +static void prio_io(struct cache *ca, uint64_t bucket, int op, + unsigned long op_flags) { struct closure *cl = &ca->prio; struct bio *bio = bch_bbio_alloc(ca->set); @@ -507,11 +509,11 @@ static void prio_io(struct cache *ca, uint64_t bucket, unsigned long rw) bio->bi_iter.bi_sector = bucket * ca->sb.bucket_size; bio->bi_bdev = ca->bdev; - bio->bi_rw = REQ_SYNC|REQ_META|rw; bio->bi_iter.bi_size = bucket_bytes(ca); bio->bi_end_io = prio_endio; bio->bi_private = ca; + bio_set_op_attrs(bio, op, REQ_SYNC|REQ_META|op_flags); bch_bio_map(bio, ca->disk_buckets); closure_bio_submit(bio, &ca->prio); @@ -557,7 +559,7 @@ void bch_prio_write(struct cache *ca) BUG_ON(bucket == -1); mutex_unlock(&ca->set->bucket_lock); - prio_io(ca, bucket, REQ_WRITE); + prio_io(ca, bucket, REQ_OP_WRITE, 0); mutex_lock(&ca->set->bucket_lock); ca->prio_buckets[i] = bucket; @@ -599,7 +601,7 @@ static void prio_read(struct cache *ca, uint64_t bucket) ca->prio_last_buckets[bucket_nr] = bucket; bucket_nr++; - prio_io(ca, bucket, READ_SYNC); + prio_io(ca, bucket, REQ_OP_READ, READ_SYNC); if (p->csum != bch_crc64(&p->magic, bucket_bytes(ca) - 8)) pr_warn("bad csum reading priorities"); diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 6012367..d9fd2a6 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -182,7 +182,7 @@ static void write_dirty(struct closure *cl) struct keybuf_key *w = io->bio.bi_private; dirty_init(w); - io->bio.bi_rw = WRITE; + bio_set_op_attrs(&io->bio, REQ_OP_WRITE, 0); io->bio.bi_iter.bi_sector = KEY_START(&w->key); io->bio.bi_bdev = io->dc->bdev; io->bio.bi_end_io = dirty_endio; @@ -251,10 +251,10 @@ static void read_dirty(struct cached_dev *dc) io->dc = dc; dirty_init(w); + bio_set_op_attrs(&io->bio, REQ_OP_READ, 0); io->bio.bi_iter.bi_sector = PTR_OFFSET(&w->key, 0); io->bio.bi_bdev = PTR_CACHE(dc->disk.c, &w->key, 0)->bdev; - io->bio.bi_rw = READ; io->bio.bi_end_io = read_dirty_endio; if (bio_alloc_pages(&io->bio, GFP_KERNEL)) -- 2.7.2