#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
+extern const char Name[];
+
/* general information that might be extracted from a superblock */
struct mdinfo {
mdu_array_info_t array;
int mode;
int symlinks;
int names;
+ int bblist;
struct supertype *supertype;
};
-#define Name "mdadm"
-
enum mode {
ASSEMBLE=1,
BUILD,
ExamineBB,
Dump,
Restore,
+ Action,
};
enum prefix_standard {
int freeze_reshape;
char *backup_file;
int invalid_backup;
+ char *action;
};
struct shape {
} mapping_t;
struct mdstat_ent {
- char *dev;
char devnm[32];
int active;
char *level;
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,
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
/* 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 */
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);
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);
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);
extern int open_dev_flags(char *devnm, int flags);
extern int open_dev_excl(char *devnm);
extern int is_standard(char *dev, int *nump);
#ifdef DEBUG
#define dprintf(fmt, arg...) \
+ fprintf(stderr, "%s: %s: "fmt, Name, __func__, ##arg)
+#define dprintf_cont(fmt, arg...) \
fprintf(stderr, fmt, ##arg)
#else
#define dprintf(fmt, arg...) \
+ ({ if (0) fprintf(stderr, "%s: %s: " fmt, Name, __func__, ##arg); 0; })
+#define dprintf_cont(fmt, arg...) \
({ if (0) fprintf(stderr, fmt, ##arg); 0; })
#endif
#include <assert.h>
return ret;
}
-#define pr_err(fmt ...) fprintf(stderr, Name ": " fmt)
+#ifdef DEBUG
+#define pr_err(fmt, args...) fprintf(stderr, "%s: %s: "fmt, Name, __func__, ##args)
+#else
+#define pr_err(fmt, args...) fprintf(stderr, "%s: "fmt, Name, ##args)
+#endif
#define cont_err(fmt ...) fprintf(stderr, " " fmt)
void *xmalloc(size_t len);
#define LEVEL_CONTAINER (-100)
#define LEVEL_UNSUPPORTED (-200)
+/* the kernel does know about this one ... */
+#define LEVEL_NONE (-1000000)
+
/* faulty stuff */
#define WriteTransient 0