diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 47bcc5081b2b..f6a6437d0a7c 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -574,9 +574,6 @@ static struct dm_io *alloc_io(struct mapped_device *md, struct bio *bio) struct bio *clone; clone = bio_alloc_clone(NULL, bio, GFP_NOIO, &md->mempools->io_bs); - /* Set default bdev, but target must bio_set_dev() before issuing IO */ - clone->bi_bdev = md->disk->part0; - tio = clone_to_tio(clone); tio->flags = 0; dm_tio_set_flag(tio, DM_TIO_INSIDE_DM_IO); @@ -609,6 +606,7 @@ static void free_io(struct dm_io *io) static struct bio *alloc_tio(struct clone_info *ci, struct dm_target *ti, unsigned target_bio_nr, unsigned *len, gfp_t gfp_mask) { + struct mapped_device *md = ci->io->md; struct dm_target_io *tio; struct bio *clone; @@ -618,14 +616,10 @@ static struct bio *alloc_tio(struct clone_info *ci, struct dm_target *ti, /* alloc_io() already initialized embedded clone */ clone = &tio->clone; } else { - struct mapped_device *md = ci->io->md; - clone = bio_alloc_clone(NULL, ci->bio, gfp_mask, &md->mempools->bs); if (!clone) return NULL; - /* Set default bdev, but target must bio_set_dev() before issuing IO */ - clone->bi_bdev = md->disk->part0; /* REQ_DM_POLL_LIST shouldn't be inherited */ clone->bi_opf &= ~REQ_DM_POLL_LIST; @@ -641,6 +635,11 @@ static struct bio *alloc_tio(struct clone_info *ci, struct dm_target *ti, tio->len_ptr = len; tio->old_sector = 0; + /* Set default bdev, but target must bio_set_dev() before issuing IO */ + clone->bi_bdev = md->disk->part0; + if (unlikely(ti->needs_bio_set_dev)) + bio_set_dev(clone, md->disk->part0); + if (len) { clone->bi_iter.bi_size = to_bytes(*len); if (bio_integrity(clone)) |