From patchwork Fri Apr 24 08:13:28 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kiyoshi Ueda X-Patchwork-Id: 19855 Received: from hormel.redhat.com (hormel1.redhat.com [209.132.177.33]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n3OIcLXG031770 for ; Fri, 24 Apr 2009 18:38:21 GMT Received: from listman.util.phx.redhat.com (listman.util.phx.redhat.com [10.8.4.110]) by hormel.redhat.com (Postfix) with ESMTP id 393616192E4; Fri, 24 Apr 2009 04:13:46 -0400 (EDT) Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by listman.util.phx.redhat.com (8.13.1/8.13.1) with ESMTP id n3O8Di9t024877 for ; Fri, 24 Apr 2009 04:13:44 -0400 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n3O8DhAm000576; Fri, 24 Apr 2009 04:13:44 -0400 Received: from tyo201.gate.nec.co.jp (TYO201.gate.nec.co.jp [202.32.8.193]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n3O8DUpM007942; Fri, 24 Apr 2009 04:13:30 -0400 Received: from mailgate3.nec.co.jp ([10.7.69.162]) by tyo201.gate.nec.co.jp (8.13.8/8.13.4) with ESMTP id n3O8DTOS022551; Fri, 24 Apr 2009 17:13:29 +0900 (JST) Received: (from root@localhost) by mailgate3.nec.co.jp (8.11.7/3.7W-MAILGATE-NEC) id n3O8DTl05917; Fri, 24 Apr 2009 17:13:29 +0900 (JST) Received: from mailsv.linux.bs1.fc.nec.co.jp (mailsv.linux.bs1.fc.nec.co.jp [10.34.125.2]) by mailsv3.nec.co.jp (8.13.8/8.13.4) with ESMTP id n3O8DTi0025191; Fri, 24 Apr 2009 17:13:29 +0900 (JST) Received: from elcondor.linux.bs1.fc.nec.co.jp (elcondor.linux.bs1.fc.nec.co.jp [10.34.125.195]) by mailsv.linux.bs1.fc.nec.co.jp (Postfix) with ESMTP id 10D16E482A3; Fri, 24 Apr 2009 17:13:29 +0900 (JST) Message-ID: <49F174A8.1010703@ct.jp.nec.com> Date: Fri, 24 Apr 2009 17:13:28 +0900 From: Kiyoshi Ueda User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Alasdair Kergon References: <49F17409.4060201@ct.jp.nec.com> In-Reply-To: <49F17409.4060201@ct.jp.nec.com> X-RedHat-Spam-Score: -0.229 X-Scanned-By: MIMEDefang 2.58 on 172.16.52.254 X-Scanned-By: MIMEDefang 2.63 on 172.16.48.31 X-loop: dm-devel@redhat.com Cc: device-mapper development Subject: [dm-devel] [PATCH 2/7] dm core: add integrity feature to request-based dm X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.5 Precedence: junk Reply-To: device-mapper development List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com This patch clones integrity payload in request-based dm code path. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Cc: Alasdair G Kergon Acked-by: Hannes Reinecke --- drivers/md/dm.c | 8 ++++++++ 1 file changed, 8 insertions(+) -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel Index: 2.6.30-rc3/drivers/md/dm.c =================================================================== --- 2.6.30-rc3.orig/drivers/md/dm.c +++ 2.6.30-rc3/drivers/md/dm.c @@ -1375,6 +1375,14 @@ static int clone_request_bios(struct req } __bio_clone(clone_bio, bio); + + if (bio_integrity(bio) && + !bio_integrity_clone(clone_bio, bio, GFP_ATOMIC)) { + bio_free(clone_bio, md->bs); + free_bio_info(md, info); + goto free_and_out; + } + clone_bio->bi_destructor = dm_bio_destructor; clone_bio->bi_end_io = end_clone_bio; info->rq = clone;