Commit 27eaa149 authored Jun 22, 2009 by Mikulas Patocka Committed by Alasdair G Kergon Jun 22, 2009

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>

parent fdb9572b

drivers/md/dm.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -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;