X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=mdadm.h;h=61bc7afe036ea4af3632866736b6d6ddc48f1140;hp=c1c0bb2ef2ec54e36ec9f43beccacd2d47206087;hb=1b7eb962db2cf9179d097e06cce74b84ac80e49d;hpb=57666a41b22b6fa6da6b9de1098899601c7ccad3 diff --git a/mdadm.h b/mdadm.h index c1c0bb2e..61bc7afe 100644 --- a/mdadm.h +++ b/mdadm.h @@ -35,6 +35,7 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #include #include +#include #include #include #include @@ -44,6 +45,10 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #include #include #include +#ifdef __GLIBC__ +/* Newer glibc requires sys/sysmacros.h directly for makedev() */ +#include +#endif #ifdef __dietlibc__ #include /* dietlibc has deprecated random and srandom!! */ @@ -51,6 +56,31 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #define srandom srand #endif +#ifdef NO_COROSYNC +#define CS_OK 1 +typedef uint64_t cmap_handle_t; +#else +#include +#endif + +#ifndef NO_DLM +#include +#include +#else +#define LKF_NOQUEUE 0x00000001 +#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 /*#include */ #include @@ -112,55 +142,80 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); * and there is no standard conversion function so... */ /* And dietlibc doesn't think byteswap is ok, so.. */ /* #include */ -#define bswap_16(x) (((x) & 0x00ffU) << 8 | \ - ((x) & 0xff00U) >> 8) -#define bswap_32(x) (((x) & 0x000000ffU) << 24 | \ - ((x) & 0xff000000U) >> 24 | \ - ((x) & 0x0000ff00U) << 8 | \ - ((x) & 0x00ff0000U) >> 8) -#define bswap_64(x) (((x) & 0x00000000000000ffULL) << 56 | \ - ((x) & 0xff00000000000000ULL) >> 56 | \ - ((x) & 0x000000000000ff00ULL) << 40 | \ - ((x) & 0x00ff000000000000ULL) >> 40 | \ - ((x) & 0x0000000000ff0000ULL) << 24 | \ - ((x) & 0x0000ff0000000000ULL) >> 24 | \ - ((x) & 0x00000000ff000000ULL) << 8 | \ - ((x) & 0x000000ff00000000ULL) >> 8) +#define __mdadm_bswap_16(x) (((x) & 0x00ffU) << 8 | \ + ((x) & 0xff00U) >> 8) +#define __mdadm_bswap_32(x) (((x) & 0x000000ffU) << 24 | \ + ((x) & 0xff000000U) >> 24 | \ + ((x) & 0x0000ff00U) << 8 | \ + ((x) & 0x00ff0000U) >> 8) +#define __mdadm_bswap_64(x) (((x) & 0x00000000000000ffULL) << 56 | \ + ((x) & 0xff00000000000000ULL) >> 56 | \ + ((x) & 0x000000000000ff00ULL) << 40 | \ + ((x) & 0x00ff000000000000ULL) >> 40 | \ + ((x) & 0x0000000000ff0000ULL) << 24 | \ + ((x) & 0x0000ff0000000000ULL) >> 24 | \ + ((x) & 0x00000000ff000000ULL) << 8 | \ + ((x) & 0x000000ff00000000ULL) >> 8) #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_be16(_x) bswap_16(_x) -#define __cpu_to_be32(_x) bswap_32(_x) -#define __cpu_to_be64(_x) bswap_64(_x) -#define __be16_to_cpu(_x) bswap_16(_x) -#define __be32_to_cpu(_x) bswap_32(_x) -#define __be64_to_cpu(_x) bswap_64(_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) __mdadm_bswap_16(_x) +#define __cpu_to_be32(_x) __mdadm_bswap_32(_x) +#define __cpu_to_be64(_x) __mdadm_bswap_64(_x) +#define __be16_to_cpu(_x) __mdadm_bswap_16(_x) +#define __be32_to_cpu(_x) __mdadm_bswap_32(_x) +#define __be64_to_cpu(_x) __mdadm_bswap_64(_x) #elif BYTE_ORDER == BIG_ENDIAN -#define __cpu_to_le16(_x) bswap_16(_x) -#define __cpu_to_le32(_x) bswap_32(_x) -#define __cpu_to_le64(_x) bswap_64(_x) -#define __le16_to_cpu(_x) bswap_16(_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_le16(_x) __mdadm_bswap_16(_x) +#define __cpu_to_le32(_x) __mdadm_bswap_32(_x) +#define __cpu_to_le64(_x) __mdadm_bswap_64(_x) +#define __le16_to_cpu(_x) __mdadm_bswap_16(_x) +#define __le32_to_cpu(_x) __mdadm_bswap_32(_x) +#define __le64_to_cpu(_x) __mdadm_bswap_64(_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 * strict type-checking.. See the @@ -178,6 +233,21 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); (void) (&_max1 == &_max2); \ _max1 > _max2 ? _max1 : _max2; }) +#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) + +extern const char Name[]; + +struct md_bb_entry { + unsigned long long sector; + int length; +}; + +struct md_bb { + int supported; + int count; + struct md_bb_entry *entries; +}; + /* general information that might be extracted from a superblock */ struct mdinfo { mdu_array_info_t array; @@ -206,6 +276,18 @@ struct mdinfo { * for native metadata it is * reshape_active field mirror */ + int journal_device_required; + int journal_clean; + + enum { + CONSISTENCY_POLICY_UNKNOWN, + CONSISTENCY_POLICY_NONE, + CONSISTENCY_POLICY_RESYNC, + CONSISTENCY_POLICY_BITMAP, + CONSISTENCY_POLICY_JOURNAL, + CONSISTENCY_POLICY_PPL, + } consistency_policy; + /* 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. @@ -218,6 +300,9 @@ struct mdinfo { #define MaxSector (~0ULL) /* resync/recovery complete position */ }; long bitmap_offset; /* 0 == none, 1 == a file */ + unsigned int ppl_size; + int ppl_offset; + unsigned long long ppl_sector; unsigned long safe_mode_delay; /* ms delay to mark clean */ int new_level, delta_disks, new_layout, new_chunk; int errors; @@ -231,13 +316,15 @@ struct mdinfo { 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[32]; struct mdinfo *devs; struct mdinfo *next; /* Device info for mdmon: */ int recovery_fd; int state_fd; + int bb_fd; + int ubb_fd; #define DS_FAULTY 1 #define DS_INSYNC 2 #define DS_WRITE_MOSTLY 4 @@ -247,6 +334,20 @@ struct mdinfo { #define DS_UNBLOCK 2048 int prev_state, curr_state, next_state; + /* info read from sysfs */ + enum { + ARRAY_CLEAR, + ARRAY_INACTIVE, + ARRAY_SUSPENDED, + ARRAY_READONLY, + ARRAY_READ_AUTO, + ARRAY_CLEAN, + ARRAY_ACTIVE, + ARRAY_WRITE_PENDING, + ARRAY_ACTIVE_IDLE, + ARRAY_UNKNOWN_STATE, + } array_state; + struct md_bb bb; }; struct createinfo { @@ -256,10 +357,14 @@ struct createinfo { int mode; int symlinks; int names; + int bblist; struct supertype *supertype; }; -#define Name "mdadm" +struct spare_criteria { + unsigned long long min_size; + unsigned int sector_size; +}; enum mode { ASSEMBLE=1, @@ -309,6 +414,8 @@ enum special_options { Brief, ManageOpt, Add, + AddSpare, + AddJournal, Remove, Fail, Replace, @@ -318,6 +425,8 @@ enum special_options { ConfigFile, ChunkSize, WriteMostly, + FailFast, + NoFailFast, Layout, Auto, Force, @@ -339,6 +448,12 @@ enum special_options { ExamineBB, Dump, Restore, + Action, + Nodes, + ClusterName, + ClusterConfirm, + WriteJournal, + ConsistencyPolicy, }; enum prefix_standard { @@ -346,6 +461,16 @@ enum prefix_standard { IEC }; +enum bitmap_update { + NoUpdate, + NameUpdate, + NodeNumUpdate, +}; + +enum flag_mode { + FlagDefault, FlagSet, FlagClear, +}; + /* structures read from config file */ /* List of mddevice names and identifiers * Identifiers can be: @@ -412,11 +537,15 @@ struct context { 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; @@ -426,6 +555,7 @@ struct shape { int assume_clean; int write_behind; unsigned long long size; + int consistency_policy; }; /* List of device names - wildcards expanded */ @@ -435,7 +565,8 @@ struct mddev_dev { * 'A' for re_add. * Not set for names read from .config */ - char writemostly; /* 1 for 'set writemostly', 2 for 'clear writemostly' */ + enum flag_mode writemostly; + enum flag_mode failfast; int used; /* set when used */ long long data_offset; struct mddev_dev *next; @@ -447,11 +578,10 @@ typedef struct mapping { } mapping_t; struct mdstat_ent { - char *dev; char devnm[32]; int active; char *level; - char *pattern; /* U or up, _ for down */ + char *pattern; /* U for up, _ for down */ int percent; /* -1 if no resync */ int resync; /* 3 if check, 2 if reshape, 1 if resync, 0 if recovery */ int devcnt; @@ -485,18 +615,8 @@ extern int map_update(struct map_ent **mpp, char *devnm, char *metadata, int uuid[4], char *path); extern void map_remove(struct map_ent **map, char *devnm); extern struct map_ent *map_by_uuid(struct map_ent **map, int uuid[4]); -#ifdef MDASSEMBLE -static inline struct map_ent *map_by_devnm(struct map_ent **map, char *name) -{ - return NULL; -} -static inline void map_free(struct map_ent *map) -{ -} -#else extern struct map_ent *map_by_devnm(struct map_ent **map, char *devnm); extern void map_free(struct map_ent *map); -#endif 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); @@ -517,7 +637,6 @@ enum sysfs_read_flags { GET_MISMATCH = (1 << 5), GET_VERSION = (1 << 6), GET_DISKS = (1 << 7), - GET_DEGRADED = (1 << 8), GET_SAFEMODE = (1 << 9), GET_BITMAP_LOCATION = (1 << 10), @@ -526,13 +645,16 @@ enum sysfs_read_flags { GET_SIZE = (1 << 22), GET_STATE = (1 << 23), GET_ERROR = (1 << 24), + GET_ARRAY_STATE = (1 << 25), + GET_CONSISTENCY_POLICY = (1 << 26), }; /* If fd >= 0, get the array it is open on, * else use devnm. */ extern int sysfs_open(char *devnm, char *devname, char *attr); -extern void sysfs_init(struct mdinfo *mdi, int fd, char *devnm); +extern int sysfs_init(struct mdinfo *mdi, int fd, char *devnm); +extern void sysfs_init_dev(struct mdinfo *mdi, dev_t 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); @@ -564,7 +686,8 @@ 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 load_sys(char *path, char *buf, int len); +extern int zero_disk_range(int fd, unsigned long long sector, size_t count); extern int reshape_prepare_fdlist(char *devname, struct mdinfo *sra, int raid_disks, @@ -582,9 +705,12 @@ extern int reshape_open_backup_file(char *backup, 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, @@ -606,6 +732,7 @@ extern int restore_stripes(int *dest, unsigned long long *offsets, extern char *map_num(mapping_t *map, int num); extern int map_name(mapping_t *map, char *name); extern mapping_t r5layout[], r6layout[], pers[], modes[], faultylayout[]; +extern mapping_t consistency_policies[], sysfs_array_states[]; extern char *map_dev_preferred(int major, int minor, int create, char *prefer); @@ -646,7 +773,7 @@ struct reshape { unsigned long long new_size; /* New size of array in sectors */ }; -/* A superswitch provides entry point the a metadata handler. +/* A superswitch provides entry point to a metadata handler. * * The superswitch primarily operates on some "metadata" that * is accessed via the 'supertype'. @@ -747,9 +874,12 @@ extern struct superswitch { * linear-grow-update - now change the size of the array. * writemostly - set the WriteMostly1 bit in the superblock devflags * readwrite - clear the WriteMostly1 bit in the superblock devflags + * failfast - set the FailFast1 bit in the superblock + * nofailfast - clear the FailFast1 bit * no-bitmap - clear any record that a bitmap is present. * bbl - add a bad-block-log if possible - * no-bbl - remove and bad-block-log is it is empty. + * no-bbl - remove any bad-block-log is it is empty. + * force-no-bbl - remove any bad-block-log even if empty. * revert-reshape - If a reshape is in progress, modify metadata so * it will resume going in the opposite direction. */ @@ -764,7 +894,7 @@ extern struct superswitch { * metadata. */ int (*init_super)(struct supertype *st, mdu_array_info_t *info, - unsigned long long size, char *name, + struct shape *s, char *name, char *homehost, int *uuid, unsigned long long data_offset); @@ -815,16 +945,21 @@ extern struct superswitch { */ __u64 (*avail_size)(struct supertype *st, __u64 size, unsigned long long data_offset); - /* This is similar to 'avail_size' in purpose, but is used for - * containers for which there is no 'component size' to compare. - * This reports that whole-device size which is a minimum + /* + * Return spare criteria for array: + * - minimum disk size can be used in array; + * - sector size can be used in array. + * Return values: 0 - for success and -EINVAL on error. */ - unsigned long long (*min_acceptable_spare_size)(struct supertype *st); + int (*get_spare_criteria)(struct supertype *st, + struct spare_criteria *sc); /* Find somewhere to put a bitmap - possibly auto-size it - and * update the metadata to record this. The array may be newly * created, in which case data_size may be updated, or it might * already exist. Metadata handler can know if init_super * has been called, but not write_init_super. + * 0: Success + * -Exxxx: On error */ int (*add_internal_bitmap)(struct supertype *st, int *chunkp, int delay, int write_behind, @@ -832,11 +967,11 @@ extern struct superswitch { /* Seek 'fd' to start of write-intent-bitmap. Must be an * md-native format bitmap */ - void (*locate_bitmap)(struct supertype *st, int fd); + int (*locate_bitmap)(struct supertype *st, int fd, int node_num); /* 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); @@ -860,7 +995,7 @@ extern struct superswitch { int *chunk, unsigned long long size, unsigned long long data_offset, char *subdev, unsigned long long *freesize, - int verbose); + int consistency_policy, int verbose); /* Return a linked list of 'mdinfo' structures for all arrays * in the container. For non-containers, it is like @@ -921,7 +1056,10 @@ extern struct superswitch { 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 @@ -952,6 +1090,27 @@ extern struct superswitch { /* for external backup area */ int (*recover_backup)(struct supertype *st, struct mdinfo *info); + /* validate container after assemble */ + int (*validate_container)(struct mdinfo *info); + + /* write initial empty PPL on device */ + int (*write_init_ppl)(struct supertype *st, struct mdinfo *info, int fd); + + /* validate ppl before assemble */ + int (*validate_ppl)(struct supertype *st, struct mdinfo *info, + struct mdinfo *disk); + + /* records new bad block in metadata */ + int (*record_bad_block)(struct active_array *a, int n, + unsigned long long sector, int length); + + /* clears bad block from metadata */ + int (*clear_bad_block)(struct active_array *a, int n, + unsigned long long sector, int length); + + /* get list of bad blocks from metadata */ + struct md_bb *(*get_bad_blocks)(struct active_array *a, int n); + int swapuuid; /* true if uuid is bigending rather than hostendian */ int external; const char *name; /* canonical metadata name */ @@ -997,6 +1156,7 @@ struct supertype { 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 @@ -1013,6 +1173,8 @@ struct supertype { */ int devcnt; int retry_soon; + int nodes; + char *cluster_name; struct mdinfo *devs; @@ -1026,8 +1188,10 @@ static inline struct supertype *guess_super(int fd) { } extern struct supertype *dup_super(struct supertype *st); extern int get_dev_size(int fd, char *dname, unsigned long long *sizep); +extern int get_dev_sector_size(int fd, char *dname, unsigned int *sectsizep); extern int must_be_container(int fd); extern int dev_size_from_id(dev_t id, unsigned long long *size); +extern int dev_sector_size_from_id(dev_t id, unsigned int *size); void wait_for(char *dev, int fd); /* @@ -1168,7 +1332,7 @@ struct stat64; 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, @@ -1186,13 +1350,15 @@ extern int Grow_restart(struct supertype *st, struct mdinfo *info, 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 Grow_consistency_policy(char *devname, int fd, + struct context *c, struct shape *s); 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); @@ -1229,12 +1395,13 @@ extern int Kill(char *dev, struct supertype *st, int force, int verbose, int noe extern int Kill_subarray(char *dev, char *subarray, 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 WaitClean(char *dev, 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, @@ -1244,30 +1411,48 @@ extern int CreateBitmap(char *filename, int force, char uuid[16], extern int ExamineBitmap(char *filename, int brief, struct supertype *st); extern int Write_rules(char *rule_name); extern int bitmap_update_uuid(int fd, int *uuid, int swap); -extern unsigned long bitmap_sectors(struct bitmap_super_s *bsb); + +/* calculate the size of the bitmap given the array size and bitmap chunksize */ +static inline unsigned long long +bitmap_bits(unsigned long long array_size, unsigned long chunksize) +{ + return (array_size * 512 + chunksize - 1) / chunksize; +} + extern int Dump_metadata(char *dev, char *dir, struct context *c, struct supertype *st); extern int Restore_metadata(char *dev, char *dir, struct context *c, struct supertype *st, int only); -extern int md_get_version(int fd); +int md_array_valid(int fd); +int md_array_active(int fd); +int md_array_is_active(struct mdinfo *info); +int md_get_array_info(int fd, struct mdu_array_info_s *array); +int md_set_array_info(int fd, struct mdu_array_info_s *array); +int md_get_disk_info(int fd, struct mdu_disk_info_s *disk); extern int get_linux_version(void); extern int mdadm_version(char *version); extern unsigned long long parse_size(char *size); extern int parse_uuid(char *str, int uuid[4]); +extern int is_near_layout_10(int layout); 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); extern int check_partitions(int fd, char *dname, unsigned long long freesize, unsigned long long size); +extern int fstat_is_blkdev(int fd, char *devname, dev_t *rdev); +extern int stat_is_blkdev(char *devname, dev_t *rdev); 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); @@ -1286,6 +1471,7 @@ extern char *conf_get_mailaddr(void); 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); @@ -1313,7 +1499,6 @@ extern char *fname_from_uuid(struct supertype *st, extern unsigned long calc_csum(void *super, int bytes); extern int enough(int level, int raid_disks, int layout, int clean, char *avail); -extern int enough_fd(int fd); extern int ask(char *mesg); extern unsigned long long get_component_size(int fd); extern void remove_partitions(int fd); @@ -1327,9 +1512,13 @@ extern void append_metadata_update(struct supertype *st, void *buf, int len); 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 spare_criteria *criteria, struct domainlist *domlist, char *spare_group, const char *metadata, int get_one); @@ -1338,6 +1527,8 @@ extern int add_disk(int mdfd, struct supertype *st, struct mdinfo *sra, struct mdinfo *info); extern int remove_disk(int mdfd, struct supertype *st, struct mdinfo *sra, struct mdinfo *info); +extern int hot_remove_disk(int mdfd, unsigned long dev, int force); +extern int sys_hot_remove_disk(int statefd, int force); extern int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info); unsigned long long min_recovery_start(struct mdinfo *array); @@ -1348,14 +1539,15 @@ extern void print_r10_layout(int layout); extern char *find_free_devnm(int use_partitions); extern void put_md_name(char *name); -extern char *devid2devnm(int devid); -extern int devnm2devid(char *devnm); +extern char *devid2kname(dev_t devid); +extern char *devid2devnm(dev_t devid); +extern dev_t devnm2devid(char *devnm); extern char *get_md_name(char *devnm); extern char DefaultConfFile[]; extern int create_mddev(char *dev, char *name, int autof, int trustworthy, - char *chosen); + char *chosen, int block_udev); /* values for 'trustworthy' */ #define LOCAL 1 #define LOCAL_ANY 10 @@ -1374,6 +1566,7 @@ extern int mdmon_running(char *devnm); extern int mdmon_pid(char *devnm); extern int check_env(char *name); extern __u32 random32(void); +extern void random_uuid(__u8 *buf); extern int start_mdmon(char *devnm); extern int child_monitor(int afd, struct mdinfo *sra, struct reshape *reshape, @@ -1384,9 +1577,53 @@ void abort_reshape(struct mdinfo *sra); void *super1_make_v0(struct supertype *st, struct mdinfo *info, mdp_super_t *sb0); -extern void fmt_devname(char *name, int num); +extern char *stat2kname(struct stat *st); +extern char *fd2kname(int fd); extern char *stat2devnm(struct stat *st); extern char *fd2devnm(int fd); +extern void udev_block(char *devnm); +extern void udev_unblock(void); + +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); + dlm_lshandle_t (*open_lockspace)(const char *name); + 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_wait)(dlm_lshandle_t lockspace, uint32_t lkid, + uint32_t flags, struct dlm_lksb *lksb); + int (*ls_get_fd)(dlm_lshandle_t ls); + int (*dispatch)(int fd); +}; + +extern int get_cluster_name(char **name); +extern int dlm_funs_ready(void); +extern int cluster_get_dlmlock(void); +extern int cluster_release_dlmlock(void); +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)) @@ -1414,9 +1651,13 @@ static inline char *to_subarray(struct mdstat_ent *ent, char *container) #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 @@ -1431,7 +1672,11 @@ static inline int xasprintf(char **strp, const char *fmt, ...) { 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); @@ -1447,6 +1692,9 @@ char *xstrdup(const char *str); #define LEVEL_CONTAINER (-100) #define LEVEL_UNSUPPORTED (-200) +/* the kernel does know about this one ... */ +#define LEVEL_NONE (-1000000) + /* faulty stuff */ #define WriteTransient 0