Create a container member

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index 4c0e9e16a636a72ebfc7d141b47895ba071cea6c..dae73cce38b1cfc2f2b75d53d3d8ab7468dfa41a 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -397,6 +397,8 @@ struct supertype {
        struct superswitch *ss;
        int minor_version;
        int max_devs;
+       int container_dev;    /* devnum of container */
+       int container_member; /* numerical position in container */
        void *sb;
        void *info;
 };
@@ -563,6 +565,8 @@ extern int open_mddev_devnum(char *devname, int devnum, char *name,
                             char *chosen_name, int parts);
 extern int open_container(int fd);
 
+extern char *devnum2devname(int num);
+extern int fd2devnum(int fd);
 
 #define        LEVEL_MULTIPATH         (-4)
 #define        LEVEL_LINEAR            (-1)