#include <sys/types.h>
#include <sys/stat.h>
+#include <stdint.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#define srandom srand
#endif
+#ifdef NO_COROSYNC
+#define CS_OK 1
+typedef uint64_t cmap_handle_t;
+#else
+#include <corosync/cmap.h>
+#endif
+
+#ifndef NO_DLM
+#include <libdlm.h>
+#include <errno.h>
+#else
+#define LKF_NOQUEUE 0x00000001
+#define LKF_CONVERT 0x00000004
+#define LKM_PWMODE 4
+#define EUNLOCK 0x10002
+
+typedef void *dlm_lshandle_t;
+
+struct dlm_lksb {
+ int sb_status;
+ uint32_t sb_lkid;
+ char sb_flags;
+ char *sb_lvbptr;
+};
+#endif
#include <linux/kdev_t.h>
/*#include <linux/fs.h> */
#if !defined(__KLIBC__)
#if BYTE_ORDER == LITTLE_ENDIAN
-#define __cpu_to_le16(_x) (_x)
-#define __cpu_to_le32(_x) (_x)
-#define __cpu_to_le64(_x) (_x)
-#define __le16_to_cpu(_x) (_x)
-#define __le32_to_cpu(_x) (_x)
-#define __le64_to_cpu(_x) (_x)
+#define __cpu_to_le16(_x) (unsigned int)(_x)
+#define __cpu_to_le32(_x) (unsigned int)(_x)
+#define __cpu_to_le64(_x) (unsigned long long)(_x)
+#define __le16_to_cpu(_x) (unsigned int)(_x)
+#define __le32_to_cpu(_x) (unsigned int)(_x)
+#define __le64_to_cpu(_x) (unsigned long long)(_x)
#define __cpu_to_be16(_x) bswap_16(_x)
#define __cpu_to_be32(_x) bswap_32(_x)
#define __le32_to_cpu(_x) bswap_32(_x)
#define __le64_to_cpu(_x) bswap_64(_x)
-#define __cpu_to_be16(_x) (_x)
-#define __cpu_to_be32(_x) (_x)
-#define __cpu_to_be64(_x) (_x)
-#define __be16_to_cpu(_x) (_x)
-#define __be32_to_cpu(_x) (_x)
-#define __be64_to_cpu(_x) (_x)
+#define __cpu_to_be16(_x) (unsigned int)(_x)
+#define __cpu_to_be32(_x) (unsigned int)(_x)
+#define __cpu_to_be64(_x) (unsigned long long)(_x)
+#define __be16_to_cpu(_x) (unsigned int)(_x)
+#define __be32_to_cpu(_x) (unsigned int)(_x)
+#define __be64_to_cpu(_x) (unsigned long long)(_x)
#else
# error "unknown endianness."
#endif
#endif /* __KLIBC__ */
+/*
+ * Check at compile time that something is of a particular type.
+ * Always evaluates to 1 so you may use it easily in comparisons.
+*/
+
+#define typecheck(type,x) \
+({ type __dummy; \
+ typeof(x) __dummy2; \
+ (void)(&__dummy == &__dummy2); \
+ 1; \
+})
+
+/*
+ * These inlines deal with timer wrapping correctly.
+ *
+ * time_after(a,b) returns true if the time a is after time b.
+*/
+
+#define time_after(a,b) \
+ (typecheck(unsigned int, a) && \
+ typecheck(unsigned int, b) && \
+ ((int)((b) - (a)) < 0))
+
+#define time_before(a,b) time_after(b,a)
/*
* min()/max()/clamp() macros that also do
(void) (&_max1 == &_max2); \
_max1 > _max2 ? _max1 : _max2; })
+#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;
* for native metadata it is
* reshape_active field mirror
*/
+ int journal_device_required;
+ int journal_clean;
+
/* During reshape we can sometimes change the data_offset to avoid
* over-writing still-valid data. We need to know if there is space.
* So getinfo_super will fill in space_before and space_after in sectors.
int container_enough; /* flag external handlers can set to
* indicate that subarrays have not enough (-1),
* enough to start (0), or all expected disks (1) */
- char sys_name[20];
+ char sys_name[20];
struct mdinfo *devs;
struct mdinfo *next;
#define DS_UNBLOCK 2048
int prev_state, curr_state, next_state;
+ /* info read from sysfs */
+ char sysfs_array_state[20];
};
struct createinfo {
int mode;
int symlinks;
int names;
+ int bblist;
struct supertype *supertype;
};
-#define Name "mdadm"
-
enum mode {
ASSEMBLE=1,
BUILD,
Brief,
ManageOpt,
Add,
+ AddSpare,
+ AddJournal,
Remove,
Fail,
Replace,
ExamineBB,
Dump,
Restore,
+ Action,
+ Nodes,
+ ClusterName,
+ ClusterConfirm,
+ WriteJournal,
};
enum prefix_standard {
IEC
};
+enum bitmap_update {
+ NoUpdate,
+ NameUpdate,
+ NodeNumUpdate,
+};
+
/* structures read from config file */
/* List of mddevice names and identifiers
* Identifiers can be:
int freeze_reshape;
char *backup_file;
int invalid_backup;
+ char *action;
+ int nodes;
+ char *homecluster;
};
struct shape {
int raiddisks;
int sparedisks;
+ int journaldisks;
int level;
int layout;
char *layout_str;
int num;
} mapping_t;
-
struct mdstat_ent {
- char *dev;
char devnm[32];
int active;
char *level;
struct dev_member {
char *name;
struct dev_member *next;
- } *members;
+ } *members;
struct mdstat_ent *next;
};
extern struct mdstat_ent *mdstat_read(int hold, int start);
+extern void mdstat_close(void);
extern void free_mdstat(struct mdstat_ent *ms);
extern void mdstat_wait(int seconds);
extern void mdstat_wait_fd(int fd, const sigset_t *sigmask);
extern void map_remove(struct map_ent **map, char *devnm);
extern struct map_ent *map_by_uuid(struct map_ent **map, int uuid[4]);
extern struct map_ent *map_by_devnm(struct map_ent **map, char *devnm);
+extern void map_free(struct map_ent *map);
extern struct map_ent *map_by_name(struct map_ent **map, char *name);
extern void map_read(struct map_ent **melp);
extern int map_write(struct map_ent *mel);
extern void map_delete(struct map_ent **mapp, char *devnm);
-extern void map_free(struct map_ent *map);
extern void map_add(struct map_ent **melp,
char *devnm, char *metadata, int uuid[4], char *path);
extern int map_lock(struct map_ent **melp);
GET_SIZE = (1 << 22),
GET_STATE = (1 << 23),
GET_ERROR = (1 << 24),
+ GET_ARRAY_STATE = (1 << 25),
};
/* If fd >= 0, get the array it is open on,
*/
extern int sysfs_open(char *devnm, char *devname, char *attr);
extern void sysfs_init(struct mdinfo *mdi, int fd, char *devnm);
+extern void sysfs_init_dev(struct mdinfo *mdi, unsigned long devid);
extern void sysfs_free(struct mdinfo *sra);
extern struct mdinfo *sysfs_read(int fd, char *devnm, unsigned long options);
extern int sysfs_attr_match(const char *attr, const char *str);
extern int sysfs_fd_get_ll(int fd, unsigned long long *val);
extern int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev,
char *name, unsigned long long *val);
+extern int sysfs_fd_get_two(int fd, unsigned long long *v1, unsigned long long *v2);
+extern int sysfs_get_two(struct mdinfo *sra, struct mdinfo *dev,
+ char *name, unsigned long long *v1, unsigned long long *v2);
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_disk_to_scsi_id(int fd, __u32 *id);
extern int sysfs_unique_holder(char *devnm, long rdev);
extern int sysfs_freeze_array(struct mdinfo *sra);
+extern int sysfs_wait(int fd, int *msec);
extern int load_sys(char *path, char *buf);
extern int reshape_prepare_fdlist(char *devname,
struct mdinfo *sra,
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,
struct active_array;
struct metadata_update;
-
/* 'struct reshape' records the intermediate states of
* a general reshape.
* The starting geometry is converted to the 'before' geometry
/* if add_internal_bitmap succeeded for existing array, this
* writes it out.
*/
- int (*write_bitmap)(struct supertype *st, int fd);
+ int (*write_bitmap)(struct supertype *st, int fd, enum bitmap_update update);
/* Free the superblock and any other allocated data */
void (*free_super)(struct supertype *st);
* (in a->resync_start).
* resync status is really irrelevant if the array is not consistent,
* but some metadata (DDF!) have a place to record the distinction.
- * If 'consistent' is '2', then the array can mark it dirty if a
+ * If 'consistent' is '2', then the array can mark it dirty if a
* resync/recovery/whatever is required, or leave it clean if not.
* Return value is 0 dirty (not consistent) and 1 if clean.
* it is only really important if consistent is passed in as '2'.
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 */
void *info;
void *other; /* Hack used to convert v0.90 to v1.0 */
unsigned long long devsize;
+ unsigned long long data_offset; /* used by v1.x only */
int ignore_hw_compat; /* used to inform metadata handlers that it should ignore
HW/firmware related incompatability to load metadata.
Used when examining metadata to display content of disk
*/
int devcnt;
int retry_soon;
+ int nodes;
+ char *cluster_name;
struct mdinfo *devs;
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_run(char *devname, int fd, int quiet);
+extern int Manage_run(char *devname, int fd, struct context *c);
extern int Manage_stop(char *devname, int fd, int quiet,
int will_retry);
extern int Manage_subdevs(char *devname, int fd,
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(char *devname, struct context *c,
+extern int Incremental(struct mddev_dev *devlist, struct context *c,
struct supertype *st);
extern void RebuildMap(void);
-extern int IncrementalScan(int verbose);
+extern int IncrementalScan(struct context *c, char *devnm);
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,
extern int parse_layout_10(char *layout);
extern int parse_layout_faulty(char *layout);
extern long parse_num(char *num);
+extern int parse_cluster_confirm_arg(char *inp, char **devname, int *slot);
extern int check_ext2(int fd, char *name);
extern int check_reiser(int fd, char *name);
extern int check_raid(int fd, char *name);
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);
extern char *conf_get_mailfrom(void);
extern char *conf_get_program(void);
extern char *conf_get_homehost(int *require_homehostp);
+extern char *conf_get_homecluster(void);
extern char *conf_line(FILE *file);
extern char *conf_word(FILE *file, int allow_key);
extern void print_quoted(char *str);
extern void print_escape(char *str);
extern int use_udev(void);
+extern unsigned long GCD(unsigned long a, unsigned long b);
extern int conf_name_is_free(char *name);
extern int conf_verify_devnames(struct mddev_ident *array_list);
extern int devname_matches(char *name, char *match);
extern int assemble_container_content(struct supertype *st, int mdfd,
struct mdinfo *content,
struct context *c,
- char *chosen_name);
+ char *chosen_name, int *result);
+#define INCR_NO 1
+#define INCR_UNSAFE 2
+#define INCR_ALREADY 4
+#define INCR_YES 8
extern struct mdinfo *container_choose_spares(struct supertype *st,
unsigned long long min_size,
struct domainlist *domlist,
extern char *find_free_devnm(int use_partitions);
extern void put_md_name(char *name);
+extern char *devid2kname(int devid);
extern char *devid2devnm(int devid);
extern int devnm2devid(char *devnm);
extern char *get_md_name(char *devnm);
extern char *stat2devnm(struct stat *st);
extern char *fd2devnm(int fd);
+extern int in_initrd(void);
+
+struct cmap_hooks {
+ void *cmap_handle; /* corosync lib related */
+
+ int (*initialize)(cmap_handle_t *handle);
+ int (*get_string)(cmap_handle_t handle,
+ const char *string,
+ char **name);
+ int (*finalize)(cmap_handle_t handle);
+};
+
+extern void set_cmap_hooks(void);
+extern void set_hooks(void);
+
+struct dlm_hooks {
+ void *dlm_handle; /* dlm lib related */
+
+ dlm_lshandle_t (*create_lockspace)(const char *name,
+ unsigned int mode);
+ int (*release_lockspace)(const char *name, dlm_lshandle_t ls,
+ int force);
+ int (*ls_lock)(dlm_lshandle_t lockspace, uint32_t mode,
+ struct dlm_lksb *lksb, uint32_t flags,
+ const void *name, unsigned int namelen,
+ uint32_t parent, void (*astaddr) (void *astarg),
+ void *astarg, void (*bastaddr) (void *astarg),
+ void *range);
+ int (*ls_unlock)(dlm_lshandle_t lockspace, uint32_t lkid,
+ uint32_t flags, struct dlm_lksb *lksb,
+ void *astarg);
+ int (*ls_get_fd)(dlm_lshandle_t ls);
+ int (*dispatch)(int fd);
+};
+
+extern int get_cluster_name(char **name);
+extern int is_clustered(struct supertype *st);
+extern int cluster_get_dlmlock(struct supertype *st, int *lockid);
+extern int cluster_release_dlmlock(struct supertype *st, int lockid);
+extern void set_dlm_hooks(void);
+
#define _ROUND_UP(val, base) (((val) + (base) - 1) & ~(base - 1))
#define ROUND_UP(val, base) _ROUND_UP(val, (typeof(val))(base))
#define ROUND_UP_PTR(ptr, base) ((typeof(ptr)) \
static inline int is_subarray(char *vers)
{
/* The version string for a 'subarray' (an array in a container)
- * is
+ * is
* /containername/componentname for normal read-write arrays
* -containername/componentname for arrays which mdmon must not
* reconfigure. They might be read-only
#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 ModeMask 0x1f
#define ModeShift 5
-
#ifdef __TINYC__
#undef minor
#undef major
#define ALGORITHM_ROTATING_N_RESTART 9 /* DDF PRL=6 RLQ=2 */
#define ALGORITHM_ROTATING_N_CONTINUE 10 /*DDF PRL=6 RLQ=3 */
-
/* For every RAID5 algorithm we define a RAID6 algorithm
* with exactly the same layout for data and parity, and
* with the Q block always on the last device (N-1).
projects / thirdparty / mdadm.git / blobdiff