Help_manage[], Help_misc[], Help_monitor[], Help_config[];
/* for option that don't have short equivilents, we assign arbitrary
- * small numbers. '1' means an undecorated option, so we start at '2'.
- * (note we must stop before we get to 65 i.e. 'A')
+ * numbers later than any 'short' character option.
*/
enum special_options {
- AssumeClean = 2,
+ AssumeClean = 300,
BitmapChunk,
WriteBehind,
ReAdd,
NoDegraded,
Sparc22,
- BackupFile, /* 8 */
+ BackupFile,
HomeHost,
AutoHomeHost,
Symlinks,
Waitclean,
DetailPlatform,
KillSubarray,
- UpdateSubarray, /* 16 */
- IncrementalPath
+ UpdateSubarray,
+ IncrementalPath,
+ NoSharing,
+ HelpOptions,
+ Brief,
+ ManageOpt,
+ Add,
+ Remove,
+ Fail,
+ MiscOpt,
+ WaitOpt,
+ ConfigFile,
+ ChunkSize,
+ WriteMostly,
+ Layout,
+ Auto,
+ Force,
+ SuperMinor,
+ EMail,
+ ProgramOpt,
+ Increment,
+ Fork,
+ Bitmap,
+ RebuildMapOpt,
};
/* structures read from config file */
/* List of device names - wildcards expanded */
struct mddev_dev {
char *devname;
- char disposition; /* 'a' for add, 'r' for remove, 'f' for fail.
+ int disposition; /* 'a' for add, 'r' for remove, 'f' for fail.
* Not set for names read from .config
*/
char writemostly; /* 1 for 'set writemostly', 2 for 'clear writemostly' */
extern int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev,
char *name, unsigned long long *val);
extern int sysfs_fd_get_str(int fd, char *val, int size);
+extern int sysfs_attribute_available(struct mdinfo *sra, struct mdinfo *dev,
+ char *name);
extern int sysfs_get_str(struct mdinfo *sra, struct mdinfo *dev,
char *name, char *val, int size);
extern int sysfs_set_safemode(struct mdinfo *sra, unsigned long ms);
extern int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int resume);
extern int sysfs_disk_to_scsi_id(int fd, __u32 *id);
extern int sysfs_unique_holder(int devnum, long rdev);
+extern int sysfs_freeze_array(struct mdinfo *sra);
extern int load_sys(char *path, char *buf);
* appear to be failed/missing.
*/
void (*getinfo_super)(struct supertype *st, struct mdinfo *info, char *map);
-
+ struct mdinfo *(*getinfo_super_disks)(struct supertype *st);
/* Check if the given metadata is flagged as belonging to "this"
* host. 0 for 'no', 1 for 'yes', -1 for "Don't record homehost"
*/
int (*load_container)(struct supertype *st, int fd, char *devname);
struct supertype * (*match_metadata_desc)(char *arg);
__u64 (*avail_size)(struct supertype *st, __u64 size);
+ unsigned long long (*min_acceptable_spare_size)(struct supertype *st);
int (*add_internal_bitmap)(struct supertype *st, int *chunkp,
int delay, int write_behind,
unsigned long long size, int may_change, int major);
* added to validate changing size and new devices. If there are
* inter-device dependencies, it should record sufficient details
* so these can be validated.
- * Both 'size' and '*freesize' are in sectors. chunk is bytes.
+ * Both 'size' and '*freesize' are in sectors. chunk is KiB.
*/
int (*validate_geometry)(struct supertype *st, int level, int layout,
int raiddisks,
int verbose);
struct mdinfo *(*container_content)(struct supertype *st, char *subarray);
- /* Allow a metadata handler to override mdadm's default layouts */
- int (*default_layout)(int level); /* optional */
- /* query the supertype for default chunk size */
- int (*default_chunk)(struct supertype *st); /* optional */
+ /* query the supertype for default geometry */
+ void (*default_geometry)(struct supertype *st, int *level, int *layout, int *chunk); /* optional */
/* Permit subarray's to be deleted from inactive containers */
int (*kill_subarray)(struct supertype *st); /* optional */
/* Permit subarray's to be modified */
int (*update_subarray)(struct supertype *st, char *subarray,
char *update, struct mddev_ident *ident); /* optional */
+ /* Check if reshape is supported for this external format.
+ * st is obtained from super_by_fd() where st->subarray[0] is
+ * initialized to indicate if reshape is being performed at the
+ * container or subarray level
+ */
+ int (*reshape_super)(struct supertype *st, long long size, int level,
+ int layout, int chunksize, int raid_disks,
+ char *backup, char *dev, int verbose); /* optional */
+ int (*manage_reshape)(struct supertype *st, char *backup); /* optional */
/* for mdmon */
int (*open_new)(struct supertype *c, struct active_array *a,
*/
struct mdinfo *(*activate_spare)(struct active_array *a,
struct metadata_update **updates);
+ /*
+ * Return statically allocated string that represents metadata specific
+ * controller domain of the disk. The domain is used in disk domain
+ * matching functions. Disks belong to the same domain if the they have
+ * the same domain from mdadm.conf and belong the same metadata domain.
+ * Returning NULL or not providing this handler means that metadata
+ * does not distinguish the differences between disks that belong to
+ * different controllers. They are in the domain specified by
+ * configuration file (mdadm.conf).
+ * In case when the metadata has the notion of domains based on disk
+ * it shall return NULL for disks that do not belong to the controller
+ * the supported domains. Such disks will form another domain and won't
+ * be mixed with supported ones.
+ */
+ const char *(*get_disk_controller_domain)(const char *path);
int swapuuid; /* true if uuid is bigending rather than hostendian */
int external;
extern struct supertype *dup_super(struct supertype *st);
extern int get_dev_size(int fd, char *dname, unsigned long long *sizep);
extern int must_be_container(int fd);
-extern int dev_size_from_id(unsigned id, unsigned long long *size);
+extern int dev_size_from_id(dev_t id, unsigned long long *size);
extern void get_one_disk(int mdfd, mdu_array_info_t *ainf,
mdu_disk_info_t *disk);
void wait_for(char *dev, int fd);
* name and metadata can be compared by address equality.
*/
const char *metadata;
- char *value;
+ const char *value;
};
extern char pol_act[], pol_domain[], pol_metadata[], pol_auto[];
extern struct dev_policy *devnum_policy(int dev);
extern void dev_policy_free(struct dev_policy *p);
-extern void pol_new(struct dev_policy **pol, char *name, char *val, char *metadata);
+//extern void pol_new(struct dev_policy **pol, char *name, char *val, char *metadata);
+extern void pol_add(struct dev_policy **pol, char *name, char *val, char *metadata);
extern struct dev_policy *pol_find(struct dev_policy *pol, char *name);
enum policy_action {
struct domainlist {
struct domainlist *next;
- char *dom;
+ const char *dom;
};
extern int domain_test(struct domainlist *dom, struct dev_policy *pol,
const char *metadata);
extern struct domainlist *domain_from_array(struct mdinfo *mdi,
const char *metadata);
+extern void domainlist_add_dev(struct domainlist **dom, int devnum,
+ const char *metadata);
extern void domain_free(struct domainlist *dl);
extern void domain_merge(struct domainlist **domp, struct dev_policy *pol,
const char *metadata);
+void domain_add(struct domainlist **domp, char *domain);
extern void policy_save_path(char *id_path, struct map_ent *array);
extern int policy_check_path(struct mdinfo *disk, struct map_ent *array);
extern int Monitor(struct mddev_dev *devlist,
char *mailaddr, char *alert_cmd,
int period, int daemonise, int scan, int oneshot,
- int dosyslog, int test, char *pidfile, int increments);
+ int dosyslog, int test, char *pidfile, int increments,
+ int share);
extern int Kill(char *dev, struct supertype *st, int force, int quiet, int noexcl);
extern int Kill_subarray(char *dev, char *subarray, int quiet);
extern int md_get_version(int fd);
extern int get_linux_version(void);
+extern int mdadm_version(char *version);
extern long long parse_size(char *size);
extern int parse_uuid(char *str, int uuid[4]);
extern int parse_layout_10(char *layout);
extern int conf_name_is_free(char *name);
extern int devname_matches(char *name, char *match);
extern struct mddev_ident *conf_match(struct mdinfo *info, struct supertype *st);
+extern int experimental(void);
extern void free_line(char *line);
extern int match_oneof(char *devices, char *devname);
extern int add_disk(int mdfd, struct supertype *st,
struct mdinfo *sra, struct mdinfo *info);
+extern int remove_disk(int mdfd, struct supertype *st,
+ struct mdinfo *sra, struct mdinfo *info);
extern int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info);
unsigned long long min_recovery_start(struct mdinfo *array);
/* The version string for a 'subarray' (an array in a container)
* is
* /containername/componentname for normal read-write arrays
- * -containername/componentname for read-only arrays.
+ * -containername/componentname for arrays which mdmon must not
+ * reconfigure. They might be read-only
+ * or might be undergoing reshape etc.
* containername is e.g. md0, md_d1
* componentname is dependant on the metadata. e.g. '1' 'S1' ...
*/
return (*vers == '/' || *vers == '-');
}
+static inline char *to_subarray(struct mdstat_ent *ent, char *container)
+{
+ return &ent->metadata_version[10+strlen(container)+1];
+}
+
#ifdef DEBUG
#define dprintf(fmt, arg...) \
fprintf(stderr, fmt, ##arg)
projects / thirdparty / mdadm.git / blobdiff