[PATCH 4/4] md-cluster: update document for raid10
From: Guoqing Jiang <hidden>
Date: 2017-10-24 07:11:53
Subsystem:
device-mapper (lvm), documentation, software raid (multiple disks) support, the rest · Maintainers:
Alasdair Kergon, Mike Snitzer, Mikulas Patocka, Benjamin Marzinski, Jonathan Corbet, Song Liu, Yu Kuai, Linus Torvalds
Signed-off-by: Guoqing Jiang <redacted> --- Documentation/md/md-cluster.txt | 3 ++- drivers/md/Kconfig | 5 +++-- drivers/md/md-cluster.c | 2 +- 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;
--
2.10.0