diff options
Diffstat (limited to 'mdadm.h')
| -rwxr-xr-x[-rw-r--r--] | mdadm.h | 123 |
1 files changed, 120 insertions, 3 deletions
@@ -35,6 +35,7 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #include <sys/types.h> #include <sys/stat.h> +#include <stdint.h> #include <stdlib.h> #include <time.h> #include <sys/time.h> @@ -51,6 +52,32 @@ 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 <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> */ #include <sys/mount.h> @@ -162,6 +189,31 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #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 * "unnecessary" pointer comparison. @@ -210,6 +262,9 @@ struct mdinfo { * 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. @@ -251,6 +306,8 @@ struct mdinfo { #define DS_UNBLOCK 2048 int prev_state, curr_state, next_state; + /* info read from sysfs */ + char sysfs_array_state[20]; }; struct createinfo { @@ -313,6 +370,7 @@ enum special_options { ManageOpt, Add, AddSpare, + AddJournal, Remove, Fail, Replace, @@ -344,6 +402,10 @@ enum special_options { Dump, Restore, Action, + Nodes, + ClusterName, + ClusterConfirm, + WriteJournal, }; enum prefix_standard { @@ -351,6 +413,12 @@ enum prefix_standard { IEC }; +enum bitmap_update { + NoUpdate, + NameUpdate, + NodeNumUpdate, +}; + /* structures read from config file */ /* List of mddevice names and identifiers * Identifiers can be: @@ -418,11 +486,14 @@ struct context { 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; @@ -521,6 +592,7 @@ enum sysfs_read_flags { 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, @@ -528,6 +600,7 @@ enum sysfs_read_flags { */ 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); @@ -747,7 +820,8 @@ extern struct superswitch { * readwrite - clear the WriteMostly1 bit in the superblock devflags * 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. */ @@ -830,11 +904,11 @@ 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); /* 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); @@ -1018,6 +1092,8 @@ struct supertype { */ int devcnt; int retry_soon; + int nodes; + char *cluster_name; struct mdinfo *devs; @@ -1264,6 +1340,7 @@ extern int parse_uuid(char *str, int uuid[4]); 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); @@ -1294,6 +1371,7 @@ 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); @@ -1403,6 +1481,45 @@ 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 dlm_funs_ready(void); +extern int cluster_get_dlmlock(int *lockid); +extern int cluster_release_dlmlock(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)) \ |