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spf=pass smtp.mailfrom=neilb@suse.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com D440C8008B X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7CE91ABF8; Tue, 29 Aug 2017 22:13:02 +0000 (UTC) From: NeilBrown To: Mike Snitzer , Alasdair Kergon Date: Wed, 30 Aug 2017 08:10:18 +1000 Message-ID: <150404461891.12966.4056527092142829944.stgit@noble> In-Reply-To: <150404441182.12966.7067251378068944343.stgit@noble> References: <150404441182.12966.7067251378068944343.stgit@noble> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 205 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 29 Aug 2017 22:13:04 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 29 Aug 2017 22:13:04 +0000 (UTC) for IP:'195.135.220.15' DOMAIN:'mx2.suse.de' HELO:'mx1.suse.de' FROM:'neilb@suse.com' RCPT:'' X-RedHat-Spam-Score: -2.301 (RCVD_IN_DNSWL_MED, SPF_PASS) 195.135.220.15 mx2.suse.de 195.135.220.15 mx2.suse.de X-Scanned-By: MIMEDefang 2.78 on 10.5.110.28 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: dm-devel@redhat.com Cc: dm-devel@redhat.com Subject: [dm-devel] [PATCH 2/2] dm-io: remove BIOSET_NEED_RESCUER flag from bios bioset X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk 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 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 29 Aug 2017 22:13:07 +0000 (UTC) X-Virus-Scanned: ClamAV using ClamSMTP BIOSET_NEED_RESCUER is only need on a bioset is allocations will be made inside a make_request_fn() call. dm_io() is called from make_request_fn() context. The closest it comes is in chunk_io() in dm-snap-persistent. Here the code uses a separate thread to avoid problems. So BIOSET_NEED_RESCUER is not needed. Signed-off-by: NeilBrown --- drivers/md/dm-io.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 25039607f3cb..bafd9f79aa3b 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -58,8 +58,7 @@ struct dm_io_client *dm_io_client_create(void) if (!client->pool) goto bad; - client->bios = bioset_create(min_ios, 0, (BIOSET_NEED_BVECS | - BIOSET_NEED_RESCUER)); + client->bios = bioset_create(min_ios, 0, BIOSET_NEED_BVECS); if (!client->bios) goto bad;