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[4/4] md: dm-crypt: Initialize the sector number for one request

Message ID 7c56c594c2398b4d5740d733d7e98d6586217819.1456981315.git.baolin.wang@linaro.org
State New
Headers show

Commit Message

(Exiting) Baolin Wang March 3, 2016, 5:19 a.m. UTC 
If the crypto engine can support the bulk mode, that means the contiguous
requests from one block can be merged into one request to be handled by
crypto engine. If so, the crypto engine need the sector number of one request
to do merging action.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>

---
 drivers/md/dm-crypt.c |    1 +
 1 file changed, 1 insertion(+)

-- 
1.7.9.5
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Patch

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 3147c8d..9e2dbfd 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -866,6 +866,7 @@  static int crypt_convert_block(struct crypt_config *cc,
 			return r;
 	}
 
+	req->sector = ctx->cc_sector;
 	ablkcipher_request_set_crypt(req, &dmreq->sg_in, &dmreq->sg_out,
 				     1 << SECTOR_SHIFT, iv);