Create missing /dev files where needed.

[thirdparty/mdadm.git] / md_p.h

diff --git a/md_p.h b/md_p.h
index 31eaafd2cc0f8afb27b2a8d176a4b00e105d832a..ed2e5fd92dd66f7c6977ca88a8b4cd52473f410f 100644 (file)
--- a/md_p.h
+++ b/md_p.h
@@ -79,6 +79,11 @@
 #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_WRITEMOSTLY     9 /* disk is "write-mostly" is RAID1 config.
+                                  * read requests will only be sent here in 
+                                  * dire need
+                                  */
+
 typedef struct mdp_device_descriptor_s {
        __u32 number;           /* 0 Device number in the entire set          */
        __u32 major;            /* 1 Device major number                      */
@@ -142,7 +147,13 @@ typedef struct mdp_superblock_s {
        __u32 cp_events_hi;     /* 10 high-order of checkpoint update count   */
 #endif
        __u32 recovery_cp;      /* 11 recovery checkpoint sector count        */
-       __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 12];
+       /* There are only valid for minor_version > 90 */
+       __u64 reshape_position; /* 12,13 next address in array-space for reshape */
+       __u32 new_level;        /* 14 new level we are reshaping to           */
+       __u32 delta_disks;      /* 15 change in number of raid_disks          */
+       __u32 new_layout;       /* 16 new layout                              */
+       __u32 new_chunk;        /* 17 new chunk size (bytes)                  */
+       __u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18];
 
        /*
         * Personality information