#define MDMON_DIR "/dev/.mdadm/"
#endif /* MDMON_DIR */
+/* FAILED_SLOTS is where to save files storing recent removal of array
+ * member in order to allow future reuse of disk inserted in the same
+ * slot for array recovery
+ */
+#ifndef FAILED_SLOTS_DIR
+#define FAILED_SLOTS_DIR "/dev/.mdadm/failed-slots"
+#endif /* FAILED_SLOTS */
+
#include "md_u.h"
#include "md_p.h"
#include "bitmap.h"
DetailPlatform,
KillSubarray,
UpdateSubarray, /* 16 */
+ IncrementalPath,
+ NoSharing
};
/* structures read from config file */
char writemostly; /* 1 for 'set writemostly', 2 for 'clear writemostly' */
char re_add;
char used; /* set when used */
- struct mdinfo *content; /* If devname is a container, this might list
- * the remaining member arrays. */
struct mddev_dev *next;
};
* 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);
*/
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;
int container_dev; /* devnum of container */
void *sb;
void *info;
- int loaded_container; /* Set if load_super found a container,
- * not just one device */
struct metadata_update *updates;
struct metadata_update **update_tail;
}
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 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 {
act_default,
act_include,
act_re_add,
- act_spare,
- act_force_spare,
+ act_spare, /* This only applies to bare devices */
+ act_spare_same_slot, /* this allows non-bare devices,
+ * but only if recent removal */
+ act_force_spare, /* this allow non-bare devices in any case */
act_err
};
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);
#if __GNUC__ < 3
struct stat64;
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);
int autof);
extern void RebuildMap(void);
extern int IncrementalScan(int verbose);
-extern int IncrementalRemove(char *devname, int verbose);
+extern int IncrementalRemove(char *devname, char *path, int verbose);
extern int CreateBitmap(char *filename, int force, char uuid[16],
unsigned long chunksize, unsigned long daemon_sleep,
unsigned long write_behind,
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