dm: remove check that prevents mapping empty bios

Remove the check that the size of the cloned bio is not zero because a subsequent patch needs to send zero-sized barriers down this path. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
git-mirror · Jun 22, 2009 · 27eaa14 · 27eaa14
1 parent fdb9572
commit 27eaa14
Showing 1 changed file with 0 additions and 5 deletions.
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
@@ -637,11 +637,6 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
 	sector_t sector;
 	struct mapped_device *md;
 
-	/*
-	 * Sanity checks.
-	 */
-	BUG_ON(!clone->bi_size);
-
 	clone->bi_end_io = clone_endio;
 	clone->bi_private = tio;