Commit f3a44fe0 authored Feb 18, 2014 by Mikulas Patocka Committed by Mike Snitzer Feb 18, 2014

dm raid1: fix immutable biovec related BUG when retrying read bio



When restoring bi_end_io, increase bi_remaining before retrying the bio
to avoid BUG_ON(atomic_read(&bio->bi_remaining) <= 0) in bio_endio().

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent d73f9907

drivers/md/dm-raid1.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1244,6 +1244,9 @@ static int mirror_end_io(struct dm_target ti, struct bio bio, int error)

		dm_bio_restore(bd, bio);
		bio_record->details.bi_bdev = NULL;

		atomic_inc(&bio->bi_remaining);

		queue_bio(ms, bio, rw);
		return DM_ENDIO_INCOMPLETE;
		}