md: move LEVEL_* definition from md_k.h to md_u.h

[linux-2.6.git] / include / linux / raid / md_u.h

diff --git a/include/linux/raid/md_u.h b/include/linux/raid/md_u.h
index 7192035..2f824aa 100644 (file)
--- a/include/linux/raid/md_u.h
+++ b/include/linux/raid/md_u.h
@@ -46,6 +46,12 @@
 #define STOP_ARRAY_RO          _IO (MD_MAJOR, 0x33)
 #define RESTART_ARRAY_RW       _IO (MD_MAJOR, 0x34)
 
+/* 63 partitions with the alternate major number (mdp) */
+#define MdpMinorShift 6
+#ifdef __KERNEL__
+extern int mdp_major;
+#endif
+
 typedef struct mdu_version_s {
        int major;
        int minor;
@@ -85,6 +91,17 @@ typedef struct mdu_array_info_s {
 
 } mdu_array_info_t;
 
+/* non-obvious values for 'level' */
+#define        LEVEL_MULTIPATH         (-4)
+#define        LEVEL_LINEAR            (-1)
+#define        LEVEL_FAULTY            (-5)
+
+/* we need a value for 'no level specified' and 0
+ * means 'raid0', so we need something else.  This is
+ * for internal use only
+ */
+#define        LEVEL_NONE              (-1000000)
+
 typedef struct mdu_disk_info_s {
        /*
         * configuration/status of one particular disk