X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=mdadm.h;h=79ec5e294bc22bb7ebae7bf8e8f22ff6ed709085;hb=370ac380fda9fb0d813f210ed2b342cfbde07cf0;hp=b6102aaa3acf4147446d46573184432989ce2e07;hpb=ed9d66aadec7ae41751e3a95352628814b47fbad;p=thirdparty%2Fmdadm.git

diff --git a/mdadm.h b/mdadm.h
index b6102aaa..79ec5e29 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -154,7 +154,10 @@ struct mdinfo {
 	int			cache_size; /* size of raid456 stripe cache*/
 	int			mismatch_cnt;
 	char			text_version[50];
-	int container_member; /* for assembling external-metatdata arrays */
+
+	int container_member; /* for assembling external-metatdata arrays
+			       * This is to be used internally by metadata
+			       * handler only */
 
 	char 		sys_name[20];
 	struct mdinfo *devs;
@@ -369,6 +372,7 @@ extern mapping_t r5layout[], pers[], modes[], faultylayout[];
 extern char *map_dev(int major, int minor, int create);
 
 struct active_array;
+struct metadata_update;
 
 extern struct superswitch {
 	void (*examine_super)(struct supertype *st, char *homehost);
@@ -410,7 +414,8 @@ extern struct superswitch {
 	struct mdinfo *(*container_content)(struct supertype *st);
 
 /* for mdmon */
-	int (*open_new)(struct supertype *c, struct active_array *a, int inst);
+	int (*open_new)(struct supertype *c, struct active_array *a,
+			char *inst);
 
 	/* Tell the metadata handler the current state of the array.
 	 * This covers whether it is known to be consistent (no pending writes)
@@ -429,11 +434,21 @@ extern struct superswitch {
 	 * not in fact changed.
 	 */
 	void (*set_disk)(struct active_array *a, int n, int state);
-	void (*sync_metadata)(struct active_array *a);
-
+	void (*sync_metadata)(struct supertype *st);
+	void (*process_update)(struct supertype *st,
+			       struct metadata_update *update);
+
+	/* activate_spare will check if the array is degraded and, if it
+	 * is, try to find some spare space in the container.
+	 * On success, it add appropriate updates (For process_update) to
+	 * to the 'updates' list and returns a list of 'mdinfo' identifying
+	 * the device, or devices as there might be multiple missing
+	 * devices and multiple spares available.
+	 */
+	struct mdinfo *(*activate_spare)(struct active_array *a,
+					 struct metadata_update **updates);
 
 	int major;
-	char *text_version;
 	int swapuuid; /* true if uuid is bigending rather than hostendian */
 	int external;
 } super0, super1, super_ddf, super_ddf_bvd, super_ddf_svd, *superlist[];
@@ -445,7 +460,6 @@ struct supertype {
 	int minor_version;
 	int max_devs;
 	int container_dev;    /* devnum of container */
-	int container_member; /* numerical position in container */
 	void *sb;
 	void *info;