These just call in to the md methods.
Signed-off-by: NeilBrown <neilb@xxxxxxx>
---
drivers/md/dm-raid456.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/drivers/md/dm-raid456.c b/drivers/md/dm-raid456.c
index 4ffd654..e2546fc 100644
--- a/drivers/md/dm-raid456.c
+++ b/drivers/md/dm-raid456.c
@@ -466,6 +466,25 @@ static void raid_io_hints(struct dm_target *ti,
(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 = "raid45",
.version = {1, 0, 0},
@@ -476,6 +495,9 @@ 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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