From: Baolin Wang Subject: [PATCH v2 4/4] md: dm-crypt: Initialize the sector number for one request Date: Tue, 15 Mar 2016 15:48:02 +0800 Message-ID: References: Cc: akpm@linux-foundation.org, david.s.gordon@intel.com, thomas.lendacky@amd.com, robert.jarzmik@free.fr, yamada.masahiro@socionext.com, smueller@chronox.de, tadeusz.struk@intel.com, standby24x7@gmail.com, shli@kernel.org, broonie@kernel.org, linus.walleij@linaro.org, arnd@arndb.de, baolin.wang@linaro.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-raid@vger.kernel.org To: herbert@gondor.apana.org.au, davem@davemloft.net, agk@redhat.com, snitzer@redhat.com, axboe@fb.com, dm-devel@redhat.com Return-path: Received: from mail-pf0-f181.google.com ([209.85.192.181]:33096 "EHLO mail-pf0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964794AbcCOHs5 (ORCPT ); Tue, 15 Mar 2016 03:48:57 -0400 Received: by mail-pf0-f181.google.com with SMTP id 124so18013778pfg.0 for ; Tue, 15 Mar 2016 00:48:56 -0700 (PDT) In-Reply-To: In-Reply-To: References: Sender: linux-crypto-owner@vger.kernel.org List-ID: 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 --- drivers/md/dm-crypt.c | 1 + 1 file changed, 1 insertion(+) 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); -- 1.7.9.5