1 files changed, 9 insertions, 5 deletions

diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index d28890295852..8245c282168b 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -18,6 +18,8 @@
 /* and dm-bio-list.h is not under include/linux because.... ??? */
 #include "../../../drivers/md/dm-bio-list.h"
 
+#ifdef CONFIG_BLOCK
+
 #define LEVEL_MULTIPATH         (-4)
 #define LEVEL_LINEAR            (-1)
 #define LEVEL_FAULTY            (-5)
@@ -29,18 +31,15 @@
 #define LEVEL_NONE              (-1000000)
 
 #define MaxSector (~(sector_t)0)
-#define MD_THREAD_NAME_MAX 14
 
 typedef struct mddev_s mddev_t;
 typedef struct mdk_rdev_s mdk_rdev_t;
 
-#define MAX_MD_DEVS  256        /* Max number of md dev */
-
 /*
  * options passed in raidrun:
  */
 
-/* Currently this must fix in an 'int' */
+/* Currently this must fit in an 'int' */
 #define MAX_CHUNK_SIZE (1<<30)
 
 /*
@@ -114,7 +113,11 @@ struct mddev_s
         dev_t                           unit;
         int                             md_minor;
         struct list_head                disks;
-        int                             sb_dirty;
+        unsigned long                   flags;
+#define MD_CHANGE_DEVS  0       /* Some device status has changed */
+#define MD_CHANGE_CLEAN 1       /* transition to or from 'clean' */
+#define MD_CHANGE_PENDING 2     /* superblock update in progress */
+
         int                             ro;
 
         struct gendisk                  *gendisk;
@@ -362,5 +365,6 @@ static inline void safe_put_page(struct page *p)
         if (p) put_page(p);
 }
 
+#endif /* CONFIG_BLOCK */
 #endif