[dm-devel] [PATCH 8/8] dm core: add integrity feature to request-based dm
Kiyoshi Ueda
k-ueda at ct.jp.nec.com
Wed Mar 18 08:58:15 UTC 2009
This patch clones integrity payload in request-based dm code path.
Signed-off-by: Kiyoshi Ueda <k-ueda at ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura at ce.jp.nec.com>
Cc: Martin K. Petersen <martin.petersen at oracle.com>
Cc: Alasdair G Kergon <agk at redhat.com>
---
drivers/md/dm.c | 5 +++++
1 file changed, 5 insertions(+)
Index: 2.6.29-rc8/drivers/md/dm.c
===================================================================
--- 2.6.29-rc8.orig/drivers/md/dm.c
+++ 2.6.29-rc8/drivers/md/dm.c
@@ -1385,6 +1385,11 @@ static int clone_request_bios(struct req
}
__bio_clone(clone_bio, bio);
+ if (bio_integrity(bio))
+ if (bio_integrity_clone(clone_bio, bio, GFP_ATOMIC,
+ md->bs) < 0)
+ goto free_and_out;
+
clone_bio->bi_destructor = dm_bio_destructor;
clone_bio->bi_end_io = end_clone_bio;
info->rq = clone;
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