2 files changed, 8 insertions, 0 deletions

diff --git a/include/uapi/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h
index 49f4210d4394..2ae6131e69a5 100644
--- a/include/uapi/linux/raid/md_p.h
+++ b/include/uapi/linux/raid/md_p.h
@@ -78,6 +78,12 @@
 #define MD_DISK_ACTIVE          1 /* disk is running or spare disk */
 #define MD_DISK_SYNC            2 /* disk is in sync with the raid set */
 #define MD_DISK_REMOVED         3 /* disk is in sync with the raid set */
+#define MD_DISK_CLUSTER_ADD     4 /* Initiate a disk add across the cluster
+                                   * For clustered enviroments only.
+                                   */
+#define MD_DISK_CANDIDATE       5 /* disk is added as spare (local) until confirmed
+                                   * For clustered enviroments only.
+                                   */
 
 #define MD_DISK_WRITEMOSTLY     9 /* disk is "write-mostly" is RAID1 config.
                                    * read requests will only be sent here in
@@ -101,6 +107,7 @@ typedef struct mdp_device_descriptor_s {
 #define MD_SB_CLEAN             0
 #define MD_SB_ERRORS            1
 
+#define MD_SB_CLUSTERED         5 /* MD is clustered */
 #define MD_SB_BITMAP_PRESENT    8 /* bitmap may be present nearby */
 
 /*
diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h
index 74e7c60c4716..1cb8aa6850b5 100644
--- a/include/uapi/linux/raid/md_u.h
+++ b/include/uapi/linux/raid/md_u.h
@@ -62,6 +62,7 @@
 #define STOP_ARRAY              _IO (MD_MAJOR, 0x32)
 #define STOP_ARRAY_RO           _IO (MD_MAJOR, 0x33)
 #define RESTART_ARRAY_RW        _IO (MD_MAJOR, 0x34)
+#define CLUSTERED_DISK_NACK     _IO (MD_MAJOR, 0x35)
 
 /* 63 partitions with the alternate major number (mdp) */
 #define MdpMinorShift 6