diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-02-02 17:01:07 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-02-04 07:43:18 -0700 |
| commit | 92986f6b4c8a2c24d3a36b80140624f80fd93de4 (patch) | |
| tree | 16225c5aede600c6adbd5d09d38d7044f003da2b /drivers/md/dm.c | |
| parent | 56b4b5abcdab6daf71c5536fca2772f178590e06 (diff) | |
dm: use bio_clone_fast in alloc_io/alloc_tio
Replace open coded bio_clone_fast implementations with the actual helper.
Note that the bio allocated as part of the dm_io structure in alloc_io
will only actually be used later in alloc_tio, making this earlier
cloning of the information safe.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Link: https://lore.kernel.org/r/20220202160109.108149-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 0f8796159379..862564a5df74 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -520,7 +520,7 @@ static struct dm_io *alloc_io(struct mapped_device *md, struct bio *bio) struct dm_target_io *tio; struct bio *clone; - clone = bio_alloc_bioset(NULL, 0, 0, GFP_NOIO, &md->io_bs); + clone = bio_clone_fast(bio, GFP_NOIO, &md->io_bs); tio = clone_to_tio(clone); tio->inside_dm_io = true; @@ -553,8 +553,8 @@ static struct bio *alloc_tio(struct clone_info *ci, struct dm_target *ti, /* the dm_target_io embedded in ci->io is available */ tio = &ci->io->tio; } else { - struct bio *clone = bio_alloc_bioset(NULL, 0, 0, gfp_mask, - &ci->io->md->bs); + struct bio *clone = bio_clone_fast(ci->bio, gfp_mask, + &ci->io->md->bs); if (!clone) return NULL; @@ -562,12 +562,6 @@ static struct bio *alloc_tio(struct clone_info *ci, struct dm_target *ti, tio->inside_dm_io = false; } - if (__bio_clone_fast(&tio->clone, ci->bio, gfp_mask) < 0) { - if (ci->io->tio.io) - bio_put(&tio->clone); - return NULL; - } - tio->magic = DM_TIO_MAGIC; tio->io = ci->io; tio->ti = ti; |