diff options
Diffstat (limited to 'super0.c')
| -rw-r--r-- | super0.c | 62 |
1 files changed, 48 insertions, 14 deletions
@@ -51,7 +51,7 @@ static unsigned long calc_sb0_csum(mdp_super_t *super) return newcsum; } -void examine_super0(void *sbv) +static void examine_super0(void *sbv) { mdp_super_t *sb = sbv; time_t atime; @@ -129,7 +129,7 @@ void examine_super0(void *sbv) } } -void brief_examine_super0(void *sbv) +static void brief_examine_super0(void *sbv) { mdp_super_t *sb = sbv; char *c=map_num(pers, sb->level); @@ -145,7 +145,7 @@ void brief_examine_super0(void *sbv) printf("\n"); } -void detail_super0(void *sbv) +static void detail_super0(void *sbv) { mdp_super_t *sb = sbv; printf(" UUID : "); @@ -157,7 +157,7 @@ void detail_super0(void *sbv) printf("\n Events : %d.%d\n\n", sb->events_hi, sb->events_lo); } -void brief_detail_super0(void *sbv) +static void brief_detail_super0(void *sbv) { mdp_super_t *sb = sbv; printf(" UUID="); @@ -168,7 +168,7 @@ void brief_detail_super0(void *sbv) printf("%08x", sb->set_uuid0); } -void uuid_from_super0(int uuid[4], void * sbv) +static void uuid_from_super0(int uuid[4], void * sbv) { mdp_super_t *super = sbv; uuid[0] = super->set_uuid0; @@ -183,7 +183,7 @@ void uuid_from_super0(int uuid[4], void * sbv) } } -void getinfo_super0(struct mdinfo *info, void *sbv) +static void getinfo_super0(struct mdinfo *info, void *sbv) { mdp_super_t *sb = sbv; int working = 0; @@ -216,7 +216,7 @@ void getinfo_super0(struct mdinfo *info, void *sbv) } -int update_super0(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose) +static int update_super0(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose) { int rv = 0; mdp_super_t *sb = sbv; @@ -314,7 +314,7 @@ int update_super0(struct mdinfo *info, void *sbv, char *update, char *devname, i return rv; } -__u64 event_super0(void *sbv) +static __u64 event_super0(void *sbv) { mdp_super_t *sb = sbv; return md_event(sb); @@ -322,11 +322,16 @@ __u64 event_super0(void *sbv) -void init_super0(void **sbp, mdu_array_info_t *info) +static void init_super0(void **sbp, mdu_array_info_t *info) { mdp_super_t *sb = malloc(MD_SB_BYTES); memset(sb, 0, MD_SB_BYTES); + if (info->major_version == -1) { + /* zeroing the superblock */ + return; + } + sb->md_magic = MD_SB_MAGIC; sb->major_version = 0; sb->minor_version = 90; @@ -359,7 +364,7 @@ void init_super0(void **sbp, mdu_array_info_t *info) } /* Add a device to the superblock being created */ -void add_to_super0(void *sbv, mdu_disk_info_t *dinfo) +static void add_to_super0(void *sbv, mdu_disk_info_t *dinfo) { mdp_super_t *sb = sbv; mdp_disk_t *dk = &sb->disks[dinfo->number]; @@ -371,11 +376,12 @@ void add_to_super0(void *sbv, mdu_disk_info_t *dinfo) dk->state = dinfo->state; } -int store_super0(int fd, mdp_super_t *super) +static int store_super0(int fd, void *sbv) { unsigned long size; unsigned long long dsize; unsigned long long offset; + mdp_super_t *super = sbv; #ifdef BLKGETSIZE64 if (ioctl(fd, BLKGETSIZE64, &dsize) != 0) @@ -403,7 +409,7 @@ int store_super0(int fd, mdp_super_t *super) return 0; } -int write_init_super0(void *sbv, mdu_disk_info_t *dinfo, char *devname) +static int write_init_super0(void *sbv, mdu_disk_info_t *dinfo, char *devname) { mdp_super_t *sb = sbv; int fd = open(devname, O_RDWR, O_EXCL); @@ -423,7 +429,7 @@ int write_init_super0(void *sbv, mdu_disk_info_t *dinfo, char *devname) return rv; } -int compare_super0(void **firstp, void *secondv) +static int compare_super0(void **firstp, void *secondv) { /* * return: @@ -463,7 +469,7 @@ int compare_super0(void **firstp, void *secondv) } -int load_super0(int fd, void **sbp, char *devname) +static int load_super0(int fd, void **sbp, char *devname) { /* try to read in the superblock * Return: @@ -537,3 +543,31 @@ int load_super0(int fd, void **sbp, char *devname) *sbp = super; return 0; } + +static int match_metadata_desc0(char *arg) +{ + if (strcmp(arg, "0") == 0 || + strcmp(arg, "0.90") == 0 || + strcmp(arg, "default") == 0 + ) + return 1; + return 0; +} + +struct superswitch super0 = { + .examine_super = examine_super0, + .brief_examine_super = brief_examine_super0, + .detail_super = detail_super0, + .brief_detail_super = brief_detail_super0, + .uuid_from_super = uuid_from_super0, + .getinfo_super = getinfo_super0, + .update_super = update_super0, + .event_super = event_super0, + .init_super = init_super0, + .add_to_super = add_to_super0, + .store_super = store_super0, + .write_init_super = write_init_super0, + .compare_super = compare_super0, + .load_super = load_super0, + .match_metadata_desc = match_metadata_desc0, +}; |