[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>
git-mirror · May 23, 2006 · a2eb0c1 · a2eb0c1
1 parent 5c4c333
commit a2eb0c1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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;