patch-2.4.10 linux/include/linux/raid/md_k.h

• Lines: 47
• Date: Fri Sep 14 14:21:51 2001
• Orig file: v2.4.9/linux/include/linux/raid/md_k.h
• Orig date: Mon Aug 27 12:41:48 2001

diff -u --recursive --new-file v2.4.9/linux/include/linux/raid/md_k.h linux/include/linux/raid/md_k.h
@@ -17,17 +17,18 @@
 
 #define MD_RESERVED       0UL
 #define LINEAR            1UL
-#define STRIPED           2UL
-#define RAID0             STRIPED
+#define RAID0             2UL
 #define RAID1             3UL
 #define RAID5             4UL
 #define TRANSLUCENT       5UL
 #define HSM               6UL
-#define MAX_PERSONALITY   7UL
+#define MULTIPATH         7UL
+#define MAX_PERSONALITY   8UL
 
 static inline int pers_to_level (int pers)
 {
 	switch (pers) {
+		case MULTIPATH:		return -4;
 		case HSM:		return -3;
 		case TRANSLUCENT:	return -2;
 		case LINEAR:		return -1;
@@ -35,7 +36,7 @@
 		case RAID1:		return 1;
 		case RAID5:		return 5;
 	}
-	panic("pers_to_level()");
+	BUG();
 	return MD_RESERVED;
 }
 
@@ -171,6 +172,7 @@
 	mdp_super_t *sb;
 	unsigned long sb_offset;
 
+	int alias_device;		/* device alias to the same disk */
 	int faulty;			/* if faulty do not issue IO requests */
 	int desc_nr;			/* descriptor index in the superblock */
 };
@@ -258,6 +260,7 @@
 
 extern mdk_rdev_t * find_rdev(mddev_t * mddev, kdev_t dev);
 extern mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr);
+extern mdp_disk_t *get_spare(mddev_t *mddev);
 
 /*
  * iterates through some rdev ringlist. It's safe to remove the