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[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>
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fs/bio.c
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fs/bio.c
@ -1116,6 +1116,9 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors)
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bp->bio1.bi_io_vec = &bp->bv1;
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bp->bio2.bi_io_vec = &bp->bv2;
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bp->bio1.bi_max_vecs = 1;
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bp->bio2.bi_max_vecs = 1;
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bp->bio1.bi_end_io = bio_pair_end_1;
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bp->bio2.bi_end_io = bio_pair_end_2;
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