md-cluster: update document for raid10

Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

3 files changed, 6 insertions, 4 deletions

diff --git a/Documentation/md/md-cluster.txt b/Documentation/md/md-cluster.txt
index 82ee51604e9a..e1055f105cf5 100644
--- a/Documentation/md/md-cluster.txt
+++ b/Documentation/md/md-cluster.txt
@@ -1,4 +1,5 @@
-The cluster MD is a shared-device RAID for a cluster.
+The cluster MD is a shared-device RAID for a cluster, it supports
+two levels: raid1 and raid10 (limited support).
 
 
 1. On-disk format
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 4a249ee86364..83b9362be09c 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -178,7 +178,7 @@ config MD_FAULTY
 
 
 config MD_CLUSTER
-        tristate "Cluster Support for MD (EXPERIMENTAL)"
+        tristate "Cluster Support for MD"
         depends on BLK_DEV_MD
         depends on DLM
         default n
@@ -188,7 +188,8 @@ config MD_CLUSTER
         nodes in the cluster can access the MD devices simultaneously.
 
         This brings the redundancy (and uptime) of RAID levels across the
-        nodes of the cluster.
+        nodes of the cluster. Currently, it can work with raid1 and raid10
+        (limited support).
 
         If unsure, say N.
 
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index d0fd1bd8575c..79bfbc840385 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -1478,7 +1478,7 @@ static struct md_cluster_operations cluster_ops = {
 
 static int __init cluster_init(void)
 {
-        pr_warn("md-cluster: EXPERIMENTAL. Use with caution\n");
+        pr_warn("md-cluster: support raid1 and raid10 (limited support)\n");
         pr_info("Registering Cluster MD functions\n");
         register_md_cluster_operations(&cluster_ops, THIS_MODULE);
         return 0;