diff options
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index f30f6e8..53cf79d 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1585,7 +1585,7 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio, chunk_t chunk; struct dm_snap_pending_exception *pe = NULL; - if (unlikely(bio_empty_barrier(bio))) { + if (bio->bi_rw & REQ_FLUSH) { bio->bi_bdev = s->cow->bdev; return DM_MAPIO_REMAPPED; } @@ -1689,7 +1689,7 @@ static int snapshot_merge_map(struct dm_target *ti, struct bio *bio, int r = DM_MAPIO_REMAPPED; chunk_t chunk; - if (unlikely(bio_empty_barrier(bio))) { + if (bio->bi_rw & REQ_FLUSH) { if (!map_context->target_request_nr) bio->bi_bdev = s->origin->bdev; else @@ -2133,7 +2133,7 @@ static int origin_map(struct dm_target *ti, struct bio *bio, struct dm_dev *dev = ti->private; bio->bi_bdev = dev->bdev; - if (unlikely(bio_empty_barrier(bio))) + if (bio->bi_rw & REQ_FLUSH) return DM_MAPIO_REMAPPED; /* Only tell snapshots if this is a write */ |