#include <sys/stat.h>
#include <stdlib.h>
#include <time.h>
+#include <sys/time.h>
#include <getopt.h>
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
+#include <syslog.h>
#ifdef __dietlibc__NONO
int strncmp(const char *s1, const char *s2, size_t n) __THROW __pure__;
char *strncpy(char *dest, const char *src, size_t n) __THROW;
#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */
#endif
+#define DEFAULT_BITMAP_CHUNK 4096
+#define DEFAULT_BITMAP_DELAY 5
+#define DEFAULT_MAX_WRITE_BEHIND 256
#include "md_u.h"
#include "md_p.h"
+#include "bitmap.h"
+
+#include <endian.h>
+/* #include "asm/byteorder.h" Redhat don't like this so... */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# include <linux/byteorder/little_endian.h>
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# include <linux/byteorder/big_endian.h>
+#elif __BYTE_ORDER == __PDP_ENDIAN
+# include <linux/byteorder/pdp_endian.h>
+#else
+# error "unknown endianness."
+#endif
+
+
/* general information that might be extracted from a superblock */
struct mdinfo {
mdu_array_info_t array;
mdu_disk_info_t disk;
__u64 events;
- unsigned int uuid[4];
+ int uuid[4];
+ char name[33];
+ unsigned long long data_offset;
+ unsigned long long component_size;
+ int reshape_active;
+ unsigned long long reshape_progress;
+ int new_level, delta_disks, new_layout, new_chunk;
};
#define Name "mdadm"
};
extern char short_options[];
+extern char short_bitmap_auto_options[];
extern struct option long_options[];
extern char Version[], Usage[], Help[], OptionHelp[],
Help_create[], Help_build[], Help_assemble[], Help_grow[],
char *devname;
int uuid_set;
- __u32 uuid[4];
+ int uuid[4];
+ char name[33];
unsigned int super_minor;
int level;
unsigned int raid_disks;
unsigned int spare_disks;
- struct superswitch *ss;
+ struct supertype *st;
int autof; /* 1 for normal, 2 for partitioned */
char *spare_group;
+ int bitmap_fd;
struct mddev_ident_s *next;
} *mddev_ident_t;
char disposition; /* 'a' for add, 'r' for remove, 'f' for fail.
* Not set for names read from .config
*/
+ char writemostly;
+ char re_add;
struct mddev_dev_s *next;
} *mddev_dev_t;
struct mdstat_ent *next;
};
-extern struct mdstat_ent *mdstat_read(int);
+extern struct mdstat_ent *mdstat_read(int hold, int start);
extern void free_mdstat(struct mdstat_ent *ms);
extern void mdstat_wait(int seconds);
+/* Data structure for holding info read from sysfs */
+struct sysdev {
+ char name[20];
+ int role;
+ int major, minor;
+ unsigned long long offset, size;
+ int state;
+ int errors;
+ struct sysdev *next;
+};
+struct sysarray {
+ char name[20];
+ struct sysdev *devs;
+ int chunk;
+ unsigned long long component_size;
+ int layout;
+ int level;
+ int spares;
+};
+/* various details can be requested */
+#define GET_LEVEL 1
+#define GET_LAYOUT 2
+#define GET_COMPONENT 4
+#define GET_CHUNK 8
+
+#define GET_DEVS 1024 /* gets role, major, minor */
+#define GET_OFFSET 2048
+#define GET_SIZE 4096
+#define GET_STATE 8192
+#define GET_ERROR 16384
+
+/* If fd >= 0, get the array it is open on,
+ * else use devnum. >=0 -> major9. <0.....
+ */
+extern struct sysarray *sysfs_read(int fd, int devnum, unsigned long options);
+extern int sysfs_set_str(struct sysarray *sra, struct sysdev *dev,
+ char *name, char *val);
+extern int sysfs_set_num(struct sysarray *sra, struct sysdev *dev,
+ char *name, unsigned long long val);
+extern int sysfs_get_ll(struct sysarray *sra, struct sysdev *dev,
+ char *name, unsigned long long *val);
+
+
+extern int save_stripes(int *source, unsigned long long *offsets,
+ int raid_disks, int chunk_size, int level, int layout,
+ int nwrites, int *dest,
+ unsigned long long start, unsigned long long length);
+extern int restore_stripes(int *dest, unsigned long long *offsets,
+ int raid_disks, int chunk_size, int level, int layout,
+ int source, unsigned long long read_offset,
+ unsigned long long start, unsigned long long length);
+
#ifndef Sendmail
#define Sendmail "/usr/lib/sendmail -t"
#endif
+#define SYSLOG_FACILITY LOG_DAEMON
+
extern char *map_num(mapping_t *map, int num);
extern int map_name(mapping_t *map, char *name);
extern mapping_t r5layout[], pers[], modes[], faultylayout[];
-extern char *map_dev(int major, int minor);
+extern char *map_dev(int major, int minor, int create);
extern struct superswitch {
void (*getinfo_super)(struct mdinfo *info, void *sbv);
int (*update_super)(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose);
__u64 (*event_super)(void *sbv);
- void (*init_super)(void **sbp, mdu_array_info_t *info);
+ int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info, unsigned long long size, char *name);
void (*add_to_super)(void *sbv, mdu_disk_info_t *dinfo);
- int (*store_super)(int fd, void *sbv);
- int (*write_init_super)(void *sbv, mdu_disk_info_t *dinfo, char *devname);
+ int (*store_super)(struct supertype *st, int fd, void *sbv);
+ int (*write_init_super)(struct supertype *st, void *sbv, mdu_disk_info_t *dinfo, char *devname);
int (*compare_super)(void **firstp, void *secondv);
- int (*load_super)(int fd, void **sbp, char *devname);
- int (*match_metadata_desc)(char *arg);
-} super0, *superlist[];
+ int (*load_super)(struct supertype *st, int fd, void **sbp, char *devname);
+ struct supertype * (*match_metadata_desc)(char *arg);
+ __u64 (*avail_size)(struct supertype *st, __u64 size);
+ int (*add_internal_bitmap)(struct supertype *st, void *sbv, int chunk, int delay, int write_behind,
+ unsigned long long size, int may_change, int major);
+ void (*locate_bitmap)(struct supertype *st, int fd, void *sbv);
+ int (*write_bitmap)(struct supertype *st, int fd, void *sbv);
+ int major;
+ int swapuuid; /* true if uuid is bigending rather than hostendian */
+} super0, super1, *superlist[];
+
+struct supertype {
+ struct superswitch *ss;
+ int minor_version;
+ int max_devs;
+};
+
+extern struct supertype *super_by_version(int vers, int minor);
+extern struct supertype *guess_super(int fd);
+
+#if __GNUC__ < 3
+struct stat64;
+#endif
+
+#ifdef UCLIBC
+ struct FTW {};
+# define FTW_PHYS 1
+#else
+# define __USE_XOPEN_EXTENDED
+# include <ftw.h>
+# ifdef __dietlibc__
+# define FTW_PHYS 1
+# endif
+#endif
-extern struct superswitch *super_by_version(int vers);
-extern struct superswitch *guess_super(int fd, char *dev);
+extern int add_dev(const char *name, const struct stat *stb, int flag, struct FTW *s);
extern int Manage_ro(char *devname, int fd, int readonly);
-extern int Manage_runstop(char *devname, int fd, int runstop);
+extern int Manage_runstop(char *devname, int fd, int runstop, int quiet);
extern int Manage_resize(char *devname, int fd, long long size, int raid_disks);
extern int Manage_reconfig(char *devname, int fd, int layout);
extern int Manage_subdevs(char *devname, int fd,
- mddev_dev_t devlist);
+ mddev_dev_t devlist, int verbose);
extern int Grow_Add_device(char *devname, int fd, char *newdev);
+extern int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int write_behind, int force);
+extern int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
+ long long size,
+ int level, int layout, int chunksize, int raid_disks);
+extern int Grow_restart(struct supertype *st, struct mdinfo *info,
+ int *fdlist, int cnt, char *backup_file);
-extern int Assemble(struct superswitch *ss, char *mddev, int mdfd,
+extern int Assemble(struct supertype *st, char *mddev, int mdfd,
mddev_ident_t ident,
char *conffile,
- mddev_dev_t devlist,
+ mddev_dev_t devlist, char *backup_file,
int readonly, int runstop,
char *update,
int verbose, int force);
extern int Build(char *mddev, int mdfd, int chunk, int level, int layout,
int raiddisks,
- mddev_dev_t devlist, int assume_clean);
+ mddev_dev_t devlist, int assume_clean,
+ char *bitmap_file, int bitmap_chunk, int write_behind, int delay, int verbose);
-extern int Create(struct superswitch *ss, char *mddev, int mdfd,
- int chunk, int level, int layout, unsigned long size, int raiddisks, int sparedisks,
+extern int Create(struct supertype *st, char *mddev, int mdfd,
+ int chunk, int level, int layout, unsigned long long size, int raiddisks, int sparedisks,
+ char *name,
int subdevs, mddev_dev_t devlist,
- int runstop, int verbose, int force);
+ int runstop, int verbose, int force, int assume_clean,
+ char *bitmap_file, int bitmap_chunk, int write_behind, int delay);
extern int Detail(char *dev, int brief, int test);
extern int Query(char *dev);
-extern int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust);
+extern int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust,
+ struct supertype *forcest);
extern int Monitor(mddev_dev_t devlist,
char *mailaddr, char *alert_cmd,
int period, int daemonise, int scan, int oneshot,
- char *config, int test, char *pidfile);
+ int dosyslog, char *config, int test, char *pidfile);
extern int Kill(char *dev, int force);
+extern int CreateBitmap(char *filename, int force, char uuid[16],
+ unsigned long chunksize, unsigned long daemon_sleep,
+ unsigned long write_behind,
+ unsigned long long array_size,
+ int major);
+extern int ExamineBitmap(char *filename, int brief, struct supertype *st);
+
extern int md_get_version(int fd);
extern int get_linux_version(void);
extern int parse_uuid(char *str, int uuid[4]);
extern int check_raid(int fd, char *name);
extern int get_mdp_major(void);
+extern int dev_open(char *dev, int flags);
extern int is_standard(char *dev, int *nump);
extern void free_line(char *line);
extern int match_oneof(char *devices, char *devname);
extern void uuid_from_super(int uuid[4], mdp_super_t *super);
-extern int same_uuid(int a[4], int b[4]);
+extern int same_uuid(int a[4], int b[4], int swapuuid);
/* extern int compare_super(mdp_super_t *first, mdp_super_t *second);*/
extern unsigned long calc_csum(void *super, int bytes);
-extern int store_super(int fd, mdp_super_t *super);
-extern int enough(int level, int raid_disks, int avail_disks);
+extern int enough(int level, int raid_disks, int layout,
+ char *avail, int avail_disks);
extern int ask(char *mesg);
+extern unsigned long long get_component_size(int fd);
extern char *human_size(long long bytes);
#define ModeMask 0x1f
#define ModeShift 5
+
+
+#ifdef __TINYC__
+#undef minor
+#undef major
+#undef makedev
+#define minor(x) ((x)&0xff)
+#define major(x) (((x)>>8)&0xff)
+#define makedev(M,m) (((M)<<8) | (m))
+#endif
+
+/* for raid5 */
+#define ALGORITHM_LEFT_ASYMMETRIC 0
+#define ALGORITHM_RIGHT_ASYMMETRIC 1
+#define ALGORITHM_LEFT_SYMMETRIC 2
+#define ALGORITHM_RIGHT_SYMMETRIC 3
projects / thirdparty / mdadm.git / blobdiff