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Date: Tue, 14 Dec 2010 15:17:24 -0600
From: Jonathan Brassow <jbrassow@redhat.com>
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Subject: [dm-devel] [PATCH 8 of 8] dm raid suspend and resume fns
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	Tue, 14 Dec 2010 21:19:51 +0000 (UTC)


Index: linux-2.6/drivers/md/dm-raid.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-raid.c
+++ linux-2.6/drivers/md/dm-raid.c
@@ -600,6 +600,25 @@ static void raid_io_hints(struct dm_targ
 			  (conf->raid_disks - conf->max_degraded));
 }
 
+static void raid_presuspend(struct dm_target *ti)
+{
+	struct raid_set *rs = ti->private;
+	md_stop_writes(&rs->md);
+}
+
+static void raid_postsuspend(struct dm_target *ti)
+{
+	struct raid_set *rs = ti->private;
+	mddev_suspend(&rs->md);
+}
+
+static void raid_resume(struct dm_target *ti)
+{
+	struct raid_set *rs = ti->private;
+
+	mddev_resume(&rs->md);
+}
+
 static struct target_type raid_target = {
 	.name = "raid",
 	.version = {1, 0, 0},
@@ -610,6 +629,9 @@ static struct target_type raid_target = 
 	.status = raid_status,
 	.iterate_devices = raid_iterate_devices,
 	.io_hints = raid_io_hints,
+	.presuspend = raid_presuspend,
+	.postsuspend = raid_postsuspend,
+	.resume = raid_resume,
 };
 
 static int __init dm_raid_init(void)