Fix typo: wan -> want

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index 9165f7ad4eaea5c16bdfd1df72401e9a2daa3cba..941cffadd8aa1e8f5c1b547e3a625ef318ffaffc 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -194,24 +194,30 @@ struct mdinfo {
        unsigned long long      custom_array_size; /* size for non-default sized
                                                    * arrays (in sectors)
                                                    */
+#define NO_RESHAPE             0
+#define VOLUME_RESHAPE         1
+#define CONTAINER_RESHAPE      2
        int                     reshape_active;
        unsigned long long      reshape_progress;
+       int                     recovery_blocked; /* for external metadata it
+                                                  * indicates that there is
+                                                  * reshape in progress in
+                                                  * container,
+                                                  * for native metadata it is
+                                                  * reshape_active field mirror
+                                                  */
        union {
                unsigned long long resync_start; /* per-array resync position */
                unsigned long long recovery_start; /* per-device rebuild position */
                #define MaxSector  (~0ULL) /* resync/recovery complete position */
        };
+       unsigned long           bitmap_offset;  /* 0 == none, 1 == a file */
        unsigned long           safe_mode_delay; /* ms delay to mark clean */
        int                     new_level, delta_disks, new_layout, new_chunk;
        int                     errors;
        unsigned long           cache_size; /* size of raid456 stripe cache*/
        int                     mismatch_cnt;
        char                    text_version[50];
-       void                    *update_private; /* for passing metadata-format
-                                                 * specific update data
-                                                 * between successive calls to
-                                                 * update_super()
-                                                 */
 
        int container_member; /* for assembling external-metatdata arrays
                               * This is to be used internally by metadata
@@ -313,6 +319,9 @@ enum special_options {
        RebuildMapOpt,
        InvalidBackup,
        UdevRules,
+       FreezeReshape,
+       Continue,
+       OffRootOpt,
 };
 
 /* structures read from config file */
@@ -441,11 +450,13 @@ enum sysfs_read_flags {
        GET_DISKS       = (1 << 7),
        GET_DEGRADED    = (1 << 8),
        GET_SAFEMODE    = (1 << 9),
-       GET_DEVS        = (1 << 10), /* gets role, major, minor */
-       GET_OFFSET      = (1 << 11),
-       GET_SIZE        = (1 << 12),
-       GET_STATE       = (1 << 13),
-       GET_ERROR       = (1 << 14),
+       GET_BITMAP_LOCATION = (1 << 10),
+
+       GET_DEVS        = (1 << 20), /* gets role, major, minor */
+       GET_OFFSET      = (1 << 21),
+       GET_SIZE        = (1 << 22),
+       GET_STATE       = (1 << 23),
+       GET_ERROR       = (1 << 24),
 };
 
 /* If fd >= 0, get the array it is open on,
@@ -857,6 +868,7 @@ struct supertype {
                        *  external:/md0/12
                        */
        int devcnt;
+       int retry_soon;
 
        struct mdinfo *devs;
 
@@ -1031,13 +1043,17 @@ extern int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
 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);
+                        struct mdinfo *info, char *backup_file,
+                        int freeze_reshape);
+
 extern int restore_backup(struct supertype *st,
                          struct mdinfo *content,
                          int working_disks,
                          int spares,
                          char *backup_file,
                          int verbose);
+extern int Grow_continue_command(char *devname, int fd,
+                                char *backup_file, int verbose);
 
 extern int Assemble(struct supertype *st, char *mddev,
                    struct mddev_ident *ident,
@@ -1045,7 +1061,7 @@ extern int Assemble(struct supertype *st, char *mddev,
                    char *backup_file, int invalid_backup,
                    int readonly, int runstop,
                    char *update, char *homehost, int require_homehost,
-                   int verbose, int force);
+                   int verbose, int force, int freeze_reshape);
 
 extern int Build(char *mddev, int chunk, int level, int layout,
                 int raiddisks, struct mddev_dev *devlist, int assume_clean,
@@ -1079,7 +1095,7 @@ extern int WaitClean(char *dev, int sock, int verbose);
 
 extern int Incremental(char *devname, int verbose, int runstop,
                       struct supertype *st, char *homehost, int require_homehost,
-                      int autof);
+                      int autof, int freeze_reshape);
 extern void RebuildMap(void);
 extern int IncrementalScan(int verbose);
 extern int IncrementalRemove(char *devname, char *path, int verbose);
@@ -1129,8 +1145,12 @@ extern char *conf_get_homehost(int *require_homehostp);
 extern char *conf_line(FILE *file);
 extern char *conf_word(FILE *file, int allow_key);
 extern int conf_name_is_free(char *name);
+extern int conf_verify_devnames(struct mddev_ident *array_list);
 extern int devname_matches(char *name, char *match);
-extern struct mddev_ident *conf_match(struct mdinfo *info, struct supertype *st);
+extern struct mddev_ident *conf_match(struct supertype *st,
+                                     struct mdinfo *info,
+                                     char *devname,
+                                     int verbose, int *rvp);
 extern int experimental(void);
 
 extern void free_line(char *line);
@@ -1144,13 +1164,14 @@ extern char *fname_from_uuid(struct supertype *st,
                             struct mdinfo *info, char *buf, char sep);
 extern unsigned long calc_csum(void *super, int bytes);
 extern int enough(int level, int raid_disks, int layout, int clean,
-                  char *avail, int avail_disks);
+                  char *avail);
 extern int enough_fd(int fd);
 extern int ask(char *mesg);
 extern unsigned long long get_component_size(int fd);
 extern void remove_partitions(int fd);
 extern int test_partition(int fd);
 extern int test_partition_from_id(dev_t id);
+extern int get_data_disks(int level, int layout, int raid_disks);
 extern unsigned long long calc_array_size(int level, int raid_disks, int layout,
                                   int chunksize, unsigned long long devsize);
 extern int flush_metadata_updates(struct supertype *st);
@@ -1158,7 +1179,7 @@ extern void append_metadata_update(struct supertype *st, void *buf, int len);
 extern int assemble_container_content(struct supertype *st, int mdfd,
                                      struct mdinfo *content, int runstop,
                                      char *chosen_name, int verbose,
-                                     char *backup_file);
+                                     char *backup_file, int freeze_reshape);
 extern struct mdinfo *container_choose_spares(struct supertype *st,
                                              unsigned long long min_size,
                                              struct domainlist *domlist,
@@ -1231,10 +1252,10 @@ static inline int dev2minor(int d)
        return (-1-d) << MdpMinorShift;
 }
 
-static inline int ROUND_UP(int a, int base)
-{
-       return ((a+base-1)/base)*base;
-}
+#define _ROUND_UP(val, base)   (((val) + (base) - 1) & ~(base - 1))
+#define ROUND_UP(val, base)    _ROUND_UP(val, (typeof(val))(base))
+#define ROUND_UP_PTR(ptr, base)        ((typeof(ptr)) \
+                                (ROUND_UP((unsigned long)(ptr), base)))
 
 static inline int is_subarray(char *vers)
 {
@@ -1362,3 +1383,5 @@ static inline int xasprintf(char **strp, const char *fmt, ...) {
 
 #define PROCESS_DELAYED -2
 #define PROCESS_PENDING -3
+
+extern int __offroot;