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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>
This commit is contained in:
Mikulas Patocka 2009-06-22 10:12:20 +01:00 committed by Alasdair G Kergon
parent fdb9572b73
commit 27eaa14975
1 changed files with 0 additions and 5 deletions
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5
drivers/md/dm.c
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@ -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;