From patchwork Tue Feb 15 13:52:39 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Milan Broz X-Patchwork-Id: 558911 X-Patchwork-Delegate: agk@redhat.com Received: from mx4-phx2.redhat.com (mx4-phx2.redhat.com [209.132.183.25]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p1FDso6i016399 for ; Tue, 15 Feb 2011 13:55:11 GMT Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx4-phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p1FDqqB4002981; Tue, 15 Feb 2011 08:52:53 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p1FDqpel005084 for ; Tue, 15 Feb 2011 08:52:51 -0500 Received: from tawny.mazyland.cz (vpn1-6-176.ams2.redhat.com [10.36.6.176]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p1FDqiJ3011402; Tue, 15 Feb 2011 08:52:45 -0500 From: Milan Broz To: dm-devel@redhat.com Date: Tue, 15 Feb 2011 14:52:39 +0100 Message-Id: <1297777960-22662-1-git-send-email-mbroz@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-loop: dm-devel@redhat.com Cc: Milan Broz Subject: [dm-devel] [PATCH] Do not open log and cow device read-write for read-only mappings X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: device-mapper development List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Tue, 15 Feb 2011 13:55:11 +0000 (UTC) diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 6951536..8e8a868 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -543,7 +543,7 @@ static int disk_ctr(struct dm_dirty_log *log, struct dm_target *ti, return -EINVAL; } - r = dm_get_device(ti, argv[0], FMODE_READ | FMODE_WRITE, &dev); + r = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), &dev); if (r) return r; diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index fdde53c..a2d3309 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1080,7 +1080,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) argv++; argc--; - r = dm_get_device(ti, cow_path, FMODE_READ | FMODE_WRITE, &s->cow); + r = dm_get_device(ti, cow_path, dm_table_get_mode(ti->table), &s->cow); if (r) { ti->error = "Cannot get COW device"; goto bad_cow;