util: split get_maj_min() out from dev_open()

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index f6a614e193166262c0f6e38a9d4af8c0f360aa3e..fc1fd31854292042d67b554ae42c0bbc51f5d280 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -258,6 +258,7 @@ struct createinfo {
        int     mode;
        int     symlinks;
        int     names;
+       int     bblist;
        struct supertype *supertype;
 };
 
@@ -342,6 +343,7 @@ enum special_options {
        ExamineBB,
        Dump,
        Restore,
+       Action,
 };
 
 enum prefix_standard {
@@ -415,6 +417,7 @@ struct context {
        int     freeze_reshape;
        char    *backup_file;
        int     invalid_backup;
+       char    *action;
 };
 
 struct shape {
@@ -585,9 +588,12 @@ extern int reshape_open_backup_file(char *backup,
                                    long blocks,
                                    int *fdlist,
                                    unsigned long long *offsets,
+                                   char *sysfs_name,
                                    int restart);
 extern unsigned long compute_backup_blocks(int nchunk, int ochunk,
                                           unsigned int ndata, unsigned int odata);
+extern char *locate_backup(char *name);
+extern char *make_backup(char *name);
 
 extern int save_stripes(int *source, unsigned long long *offsets,
                        int raid_disks, int chunk_size, int level, int layout,
@@ -924,7 +930,10 @@ extern struct superswitch {
        void (*sync_metadata)(struct supertype *st);
        void (*process_update)(struct supertype *st,
                               struct metadata_update *update);
-       void (*prepare_update)(struct supertype *st,
+       /* Prepare updates allocates extra memory that might be
+        * needed.  If the update cannot be understood,  return 0.
+        */
+       int (*prepare_update)(struct supertype *st,
                               struct metadata_update *update);
 
        /* activate_spare will check if the array is degraded and, if it
@@ -955,6 +964,9 @@ extern struct superswitch {
        /* for external backup area */
        int (*recover_backup)(struct supertype *st, struct mdinfo *info);
 
+       /* validate container after assemble */
+       int (*validate_container)(struct mdinfo *info);
+
        int swapuuid; /* true if uuid is bigending rather than hostendian */
        int external;
        const char *name; /* canonical metadata name */
@@ -1190,13 +1202,13 @@ extern int Grow_restart(struct supertype *st, struct mdinfo *info,
                        int *fdlist, int cnt, char *backup_file, int verbose);
 extern int Grow_continue(int mdfd, struct supertype *st,
                         struct mdinfo *info, char *backup_file,
-                        int freeze_reshape);
+                        int forked, int freeze_reshape);
 
 extern int restore_backup(struct supertype *st,
                          struct mdinfo *content,
                          int working_disks,
                          int spares,
-                         char *backup_file,
+                         char **backup_filep,
                          int verbose);
 extern int Grow_continue_command(char *devname, int fd,
                                 char *backup_file, int verbose);
@@ -1234,6 +1246,7 @@ extern int Kill_subarray(char *dev, char *subarray, int verbose);
 extern int Update_subarray(char *dev, char *subarray, char *update, struct mddev_ident *ident, int quiet);
 extern int Wait(char *dev);
 extern int WaitClean(char *dev, int sock, int verbose);
+extern int SetAction(char *dev, char *action);
 
 extern int Incremental(struct mddev_dev *devlist, struct context *c,
                       struct supertype *st);
@@ -1270,6 +1283,7 @@ extern int check_partitions(int fd, char *dname,
                            unsigned long long size);
 
 extern int get_mdp_major(void);
+extern int get_maj_min(char *dev, int *major, int *minor);
 extern int dev_open(char *dev, int flags);
 extern int open_dev(char *devnm);
 extern void reopen_mddev(int mdfd);