From patchwork Thu Apr 15 06:43:02 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: NeilBrown X-Patchwork-Id: 92679 X-Patchwork-Delegate: jbrassow@redhat.com Received: from mx01.colomx.prod.int.phx2.redhat.com (mx3-phx2.redhat.com [209.132.183.24]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o3F6qoqE022164 for ; Thu, 15 Apr 2010 06:53:25 GMT Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx01.colomx.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o3F6p8jX026543; Thu, 15 Apr 2010 02:51:08 -0400 Received: from int-mx05.intmail.prod.int.phx2.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.18]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o3F6o4bt010219 for ; Thu, 15 Apr 2010 02:50:04 -0400 Received: from mx1.redhat.com (ext-mx01.extmail.prod.ext.phx2.redhat.com [10.5.110.5]) by int-mx05.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o3F6nx5G012799 for ; Thu, 15 Apr 2010 02:49:59 -0400 Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o3F6nnKJ013496 for ; Thu, 15 Apr 2010 02:49:49 -0400 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.221.2]) by mx2.suse.de (Postfix) with ESMTP id 043A987D82; Thu, 15 Apr 2010 08:49:49 +0200 (CEST) From: NeilBrown To: dm-devel@redhat.com Date: Thu, 15 Apr 2010 16:43:02 +1000 Message-ID: <20100415064302.15646.45823.stgit@notabene.brown> In-Reply-To: <20100415062909.15646.16.stgit@notabene.brown> References: <20100415062909.15646.16.stgit@notabene.brown> User-Agent: StGit/0.15 MIME-Version: 1.0 X-RedHat-Spam-Score: -2.31 (RCVD_IN_DNSWL_MED,T_RP_MATCHES_RCVD) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.18 X-Scanned-By: MIMEDefang 2.67 on 10.5.110.5 X-loop: dm-devel@redhat.com Cc: linux-raid@vger.kernel.org Subject: [dm-devel] [PATCH 04/12] dm-raid456: add support for raising events to userspace. 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: , 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-4.2.3 (demeter.kernel.org [140.211.167.41]); Thu, 15 Apr 2010 06:53:25 +0000 (UTC) diff --git a/drivers/md/dm-raid456.c b/drivers/md/dm-raid456.c index 0b89f9a..373784d 100644 --- a/drivers/md/dm-raid456.c +++ b/drivers/md/dm-raid456.c @@ -138,6 +138,13 @@ static int dev_parms(struct raid_set *rs, char **argv) return 0; } +static void do_table_event(struct work_struct *ws) +{ + struct raid_set *rs = container_of(ws, struct raid_set, + md.event_work); + dm_table_event(rs->ti->table); +} + /* * Construct a RAID4/5/6 mapping: * Args: @@ -289,6 +296,7 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) if (rs->md.raid_disks - in_sync > rt->parity_devs) goto err; + INIT_WORK(&rs->md.event_work, do_table_event); ti->split_io = rs->md.chunk_sectors; ti->private = rs; diff --git a/drivers/md/md.c b/drivers/md/md.c index 6f082bf..2042b1c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6005,6 +6005,8 @@ void md_error(mddev_t *mddev, mdk_rdev_t *rdev) set_bit(MD_RECOVERY_INTR, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); + if (mddev->event_work.func) + schedule_work(&mddev->event_work); md_new_event_inintr(mddev); } diff --git a/drivers/md/md.h b/drivers/md/md.h index aaadb53..09a2881 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -309,6 +309,7 @@ struct mddev_s struct bio *barrier; atomic_t flush_pending; struct work_struct barrier_work; + struct work_struct event_work; };