#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
#include "md_u.h"
#include "md_p.h"
+#include "bitmap.h"
+
+/* general information that might be extracted from a superblock */
+struct mdinfo {
+ mdu_array_info_t array;
+ mdu_disk_info_t disk;
+ __u64 events;
+ int uuid[4];
+};
#define Name "mdadm"
char *devname;
int uuid_set;
- __u32 uuid[4];
+ int uuid[4];
unsigned int super_minor;
int level;
unsigned int raid_disks;
unsigned int spare_disks;
+ 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;
extern char *map_dev(int major, int minor);
+extern struct superswitch {
+ void (*examine_super)(void *sbv);
+ void (*brief_examine_super)(void *sbv);
+ void (*detail_super)(void *sbv);
+ void (*brief_detail_super)(void *sbv);
+ void (*uuid_from_super)(int uuid[4], void *sbv);
+ 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);
+ int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info);
+ void (*add_to_super)(void *sbv, mdu_disk_info_t *dinfo);
+ 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)(struct supertype *st, int fd, void **sbp, char *devname);
+ struct supertype * (*match_metadata_desc)(char *arg);
+ __u64 (*avail_size)(__u64 size);
+ int (*add_internal_bitmap)(void *sbv, int chunk, int delay, unsigned long long size);
+ void (*locate_bitmap)(struct supertype *st, int fd);
+ int (*write_bitmap)(struct supertype *st, int fd, void *sbv);
+ int major;
+} 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);
+
+#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 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);
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);
-extern int Assemble(char *mddev, int mdfd,
+extern int Assemble(struct supertype *st, char *mddev, int mdfd,
mddev_ident_t ident,
char *conffile,
mddev_dev_t devlist,
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 delay);
-extern int Create(char *mddev, int mdfd,
+extern int Create(struct supertype *st, char *mddev, int mdfd,
int chunk, int level, int layout, unsigned long size, int raiddisks, int sparedisks,
int subdevs, mddev_dev_t devlist,
- int runstop, int verbose, int force);
+ int runstop, int verbose, int force,
+ char *bitmap_file, int bitmap_chunk, 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,
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 long array_size);
+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 char *conf_word(FILE *file, int allow_key);
extern void free_line(char *line);
extern int match_oneof(char *devices, char *devname);
-extern int load_super(int fd, mdp_super_t *super);
extern void uuid_from_super(int uuid[4], mdp_super_t *super);
extern int same_uuid(int a[4], int b[4]);
-extern int compare_super(mdp_super_t *first, mdp_super_t *second);
-extern unsigned long calc_sb_csum(mdp_super_t *super);
-extern int store_super(int fd, mdp_super_t *super);
+/* extern int compare_super(mdp_super_t *first, mdp_super_t *second);*/
+extern unsigned long calc_csum(void *super, int bytes);
extern int enough(int level, int raid_disks, int avail_disks);
extern int ask(char *mesg);
#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
+
projects / thirdparty / mdadm.git / blobdiff