Patch name: dm-raid-suspend-and-resume-fns.patch
Addition of .*suspend and .resume functions required
by device-mapper target implementations... further fleshing
out the new target.
Signed-off-by: NeilBrown <neilb@xxxxxxx>
Signed-off-by: Jonathan Brassow <jbrassow@xxxxxxxxxx>
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
@@ -485,6 +485,25 @@ 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},
@@ -495,6 +514,9 @@ 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)
--
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