diff options
| -rw-r--r-- | drivers/md/dm-snap.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index dcf34c6b05ad..0d336b5ec571 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -141,11 +141,6 @@ struct dm_snapshot { * for them to be committed. */ struct bio_list bios_queued_during_merge; - - /* - * Flush data after merge. - */ - struct bio flush_bio; }; /* @@ -1127,17 +1122,6 @@ shut: static void error_bios(struct bio *bio); -static int flush_data(struct dm_snapshot *s) -{ - struct bio *flush_bio = &s->flush_bio; - - bio_reset(flush_bio); - bio_set_dev(flush_bio, s->origin->bdev); - flush_bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH; - - return submit_bio_wait(flush_bio); -} - static void merge_callback(int read_err, unsigned long write_err, void *context) { struct dm_snapshot *s = context; @@ -1151,7 +1135,7 @@ static void merge_callback(int read_err, unsigned long write_err, void *context) goto shut; } - if (flush_data(s) < 0) { + if (blkdev_issue_flush(s->origin->bdev) < 0) { DMERR("Flush after merge failed: shutting down merge"); goto shut; } @@ -1340,7 +1324,6 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) s->first_merging_chunk = 0; s->num_merging_chunks = 0; bio_list_init(&s->bios_queued_during_merge); - bio_init(&s->flush_bio, NULL, 0); /* Allocate hash table for COW data */ if (init_hash_tables(s)) { @@ -1528,8 +1511,6 @@ static void snapshot_dtr(struct dm_target *ti) dm_exception_store_destroy(s->store); - bio_uninit(&s->flush_bio); - dm_put_device(ti, s->cow); dm_put_device(ti, s->origin); |