dm kcopyd: introduce configurable throttling

[linux.git] / drivers / md / dm-raid1.c

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index e2ea97723e109c7e7ec6122b5dd04ad02b3c8b38..d053098c6a917f1ac55fec457ab7c7f590ecb1eb 100644 (file)
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -82,6 +82,9 @@ struct mirror_set {
        struct mirror mirror[0];
 };
 
+DECLARE_DM_KCOPYD_THROTTLE_WITH_MODULE_PARM(raid1_resync_throttle,
+               "A percentage of time allocated for raid resynchronization");
+
 static void wakeup_mirrord(void *context)
 {
        struct mirror_set *ms = context;
@@ -1111,7 +1114,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
                goto err_destroy_wq;
        }
 
-       ms->kcopyd_client = dm_kcopyd_client_create();
+       ms->kcopyd_client = dm_kcopyd_client_create(&dm_kcopyd_throttle);
        if (IS_ERR(ms->kcopyd_client)) {
                r = PTR_ERR(ms->kcopyd_client);
                goto err_destroy_wq;