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dm: mark split bio as cloned

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When a bio gets split, mark its fragments with the BIO_CLONED flag.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Martin K. Petersen 2008-10-21 17:45:04 +01:00 committed by Alasdair G Kergon
parent 0a4a1047a4
commit f3e1d26ede
1 changed files with 1 additions and 0 deletions
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drivers/md/dm.c
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@ -669,6 +669,7 @@ static struct bio *split_bvec(struct bio *bio, sector_t sector,
clone->bi_size = to_bytes(len);
clone->bi_io_vec->bv_offset = offset;
clone->bi_io_vec->bv_len = clone->bi_size;
clone->bi_flags |= 1 << BIO_CLONED;
return clone;
}