[v2,4/4] md: dm-crypt: Initialize the sector number for one request

Message ID db3291f8338ef47059c64b10d4510d506acaac3d.1458023699.git.baolin.wang@linaro.org
State New
Headers show

Commit Message

Baolin Wang March 15, 2016, 7:48 a.m.
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

--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch hide | download patch | download mbox

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);