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authorNeilBrown2006-05-22 22:35:27 -0700
committerLinus Torvalds2006-05-23 10:35:31 -0700
commita2eb0c101d24aca9d3d16c30c4f79f3a70c89208 (patch)
treec74aaec429deb174440e76d9b73985abb9604c50
parent5c4c33318d26620fa552f15bbb6d0f9775a1b4df (diff)
[PATCH] md: Make sure bi_max_vecs is set properly in bio_split
Else a subsequent bio_clone might make a mess. Signed-off-by: Neil Brown <neilb@suse.de> Cc: "Don Dupuis" <dondster@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/bio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/bio.c b/fs/bio.c
index eb8fbc53f2cd..098c12b2d60a 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1116,6 +1116,9 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors)
bp->bio1.bi_io_vec = &bp->bv1;
bp->bio2.bi_io_vec = &bp->bv2;
+ bp->bio1.bi_max_vecs = 1;
+ bp->bio2.bi_max_vecs = 1;
+
bp->bio1.bi_end_io = bio_pair_end_1;
bp->bio2.bi_end_io = bio_pair_end_2;