}
#ifndef MDASSEMBLE
-static void examine_super1(void *sbv, char *homehost)
+static void examine_super1(struct supertype *st, char *homehost)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
time_t atime;
int d;
int faulty;
}
-static void brief_examine_super1(void *sbv)
+static void brief_examine_super1(struct supertype *st)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
int i;
unsigned long long sb_offset;
char *nm;
printf("\n");
}
-static void detail_super1(void *sbv, char *homehost)
+static void export_examine_super1(struct supertype *st)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
+ int i;
+ int len = 32;
+
+ printf("MD_LEVEL=%s\n", map_num(pers, __le32_to_cpu(sb->level)));
+ printf("MD_DEVICES=%d\n", __le32_to_cpu(sb->raid_disks));
+ for (i=0; i<32; i++)
+ if (sb->set_name[i] == '\n' ||
+ sb->set_name[i] == '\0') {
+ len = i;
+ break;
+ }
+ if (len)
+ printf("MD_NAME=%.*s\n", len, sb->set_name);
+ printf("MD_UUID=");
+ for (i=0; i<16; i++) {
+ if ((i&3)==0 && i != 0) printf(":");
+ printf("%02x", sb->set_uuid[i]);
+ }
+ printf("\n");
+ printf("MD_UPDATE_TIME=%llu\n",
+ __le64_to_cpu(sb->utime) & 0xFFFFFFFFFFULL);
+ printf("MD_DEV_UUID=");
+ for (i=0; i<16; i++) {
+ if ((i&3)==0 && i != 0) printf(":");
+ printf("%02x", sb->device_uuid[i]);
+ }
+ printf("\n");
+ printf("MD_EVENTS=%llu\n",
+ (unsigned long long)__le64_to_cpu(sb->events));
+}
+
+static void detail_super1(struct supertype *st, char *homehost)
+{
+ struct mdp_superblock_1 *sb = st->sb;
int i;
int l = homehost ? strlen(homehost) : 0;
printf("\n Events : %llu\n\n", (unsigned long long)__le64_to_cpu(sb->events));
}
-static void brief_detail_super1(void *sbv)
+static void brief_detail_super1(struct supertype *st)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
int i;
if (sb->set_name[0])
}
}
-static void export_super1(void *sbv)
+static void export_detail_super1(struct supertype *st)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
int i;
int len = 32;
#endif
-static int match_home1(void *sbv, char *homehost)
+static int match_home1(struct supertype *st, char *homehost)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
int l = homehost ? strlen(homehost) : 0;
return (l > 0 && l < 32 &&
strncmp(sb->set_name, homehost, l) == 0);
}
-static void uuid_from_super1(int uuid[4], void * sbv)
+static void uuid_from_super1(struct supertype *st, int uuid[4])
{
- struct mdp_superblock_1 *super = sbv;
+ struct mdp_superblock_1 *super = st->sb;
char *cuuid = (char*)uuid;
int i;
for (i=0; i<16; i++)
cuuid[i] = super->set_uuid[i];
}
-static void getinfo_super1(struct mdinfo *info, void *sbv)
+static void getinfo_super1(struct supertype *st, struct mdinfo *info)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
int working = 0;
int i;
int role;
info->array.working_disks = working;
}
-static int update_super1(struct mdinfo *info, void *sbv, char *update,
+static int update_super1(struct supertype *st, struct mdinfo *info,
+ char *update,
char *devname, int verbose,
int uuid_set, char *homehost)
{
* For others, the return value is ignored.
*/
int rv = 0;
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
if (strcmp(update, "force-one")==0) {
/* Not enough devices for a working array,
if (__le32_to_cpu(sb->feature_map)&MD_FEATURE_BITMAP_OFFSET) {
struct bitmap_super_s *bm;
- bm = (struct bitmap_super_s*)(sbv+1024);
+ bm = (struct bitmap_super_s*)(st->sb+1024);
memcpy(bm->uuid, sb->set_uuid, 16);
}
}
__le64_to_cpu(sb->data_offset)) {
/* set data_size to device size less data_offset */
struct misc_dev_info *misc = (struct misc_dev_info*)
- (sbv + 1024 + sizeof(struct bitmap_super_s));
+ (st->sb + 1024 + sizeof(struct bitmap_super_s));
printf("Size was %llu\n", (unsigned long long)
__le64_to_cpu(sb->data_size));
sb->data_size = __cpu_to_le64(
return rv;
}
-static int init_super1(struct supertype *st, void **sbp, mdu_array_info_t *info,
+static int init_super1(struct supertype *st, mdu_array_info_t *info,
unsigned long long size, char *name, char *homehost, int *uuid)
{
struct mdp_superblock_1 *sb = malloc(1024 + sizeof(bitmap_super_t) +
char defname[10];
memset(sb, 0, 1024);
+ st->sb = sb;
if (info->major_version == -1) {
/* zeroing superblock */
- *sbp = sb;
return 0;
}
memset(sb->dev_roles, 0xff, 1024 - sizeof(struct mdp_superblock_1));
- *sbp = sb;
return 1;
}
/* Add a device to the superblock being created */
-static void add_to_super1(void *sbv, mdu_disk_info_t *dk)
+static void add_to_super1(struct supertype *st, mdu_disk_info_t *dk)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
__u16 *rp = sb->dev_roles + dk->number;
if ((dk->state & 6) == 6) /* active, sync */
*rp = __cpu_to_le16(dk->raid_disk);
*rp = 0xfffe;
}
-static void locate_bitmap1(struct supertype *st, int fd, void *sbv);
+static void locate_bitmap1(struct supertype *st, int fd);
-static int store_super1(struct supertype *st, int fd, void *sbv)
+static int store_super1(struct supertype *st, int fd)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
unsigned long long sb_offset;
int sbsize;
unsigned long long dsize;
struct bitmap_super_s *bm = (struct bitmap_super_s*)
(((char*)sb)+1024);
if (__le32_to_cpu(bm->magic) == BITMAP_MAGIC) {
- locate_bitmap1(st, fd, sbv);
+ locate_bitmap1(st, fd);
if (write(fd, bm, sizeof(*bm)) != sizeof(*bm))
return 5;
}
return 0;
}
-static int load_super1(struct supertype *st, int fd, void **sbp, char *devname);
+static int load_super1(struct supertype *st, int fd, char *devname);
static unsigned long choose_bm_space(unsigned long devsize)
{
return 4*2;
}
-static int write_init_super1(struct supertype *st, void *sbv,
+static int write_init_super1(struct supertype *st,
mdu_disk_info_t *dinfo, char *devname)
{
- struct mdp_superblock_1 *sb = sbv;
- void *refsbv = NULL;
+ struct mdp_superblock_1 *sb = st->sb;
+ struct supertype refst;
int fd = open(devname, O_RDWR | O_EXCL);
int rfd;
int rv;
if (rfd >= 0) close(rfd);
sb->events = 0;
- if (load_super1(st, fd, &refsbv, NULL)==0) {
- struct mdp_superblock_1 *refsb = refsbv;
+ refst =*st;
+ refst.sb = NULL;
+ if (load_super1(&refst, fd, NULL)==0) {
+ struct mdp_superblock_1 *refsb = refst.sb;
memcpy(sb->device_uuid, refsb->device_uuid, 16);
if (memcmp(sb->set_uuid, refsb->set_uuid, 16)==0) {
* for a bitmap.
*/
array_size = __le64_to_cpu(sb->size);
- /* work out how much space we left of a bitmap */
+ /* work out how much space we left for a bitmap */
bm_space = choose_bm_space(array_size);
switch(st->minor_version) {
sb_offset &= ~(4*2-1);
sb->super_offset = __cpu_to_le64(sb_offset);
sb->data_offset = __cpu_to_le64(0);
+ if (sb_offset - bm_space < array_size)
+ bm_space = sb_offset - array_size;
sb->data_size = __cpu_to_le64(sb_offset - bm_space);
break;
case 1:
sb->sb_csum = calc_sb_1_csum(sb);
- rv = store_super1(st, fd, sb);
+ rv = store_super1(st, fd);
if (rv)
fprintf(stderr, Name ": failed to write superblock to %s\n", devname);
if (rv == 0 && (__le32_to_cpu(sb->feature_map) & 1))
- rv = st->ss->write_bitmap(st, fd, sbv);
+ rv = st->ss->write_bitmap(st, fd);
close(fd);
return rv;
}
-static int compare_super1(void **firstp, void *secondv)
+static int compare_super1(struct supertype *st, struct supertype *tst)
{
/*
* return:
* 2 wrong uuid
* 3 wrong other info
*/
- struct mdp_superblock_1 *first = *firstp;
- struct mdp_superblock_1 *second = secondv;
+ struct mdp_superblock_1 *first = st->sb;
+ struct mdp_superblock_1 *second = tst->sb;
if (second->magic != __cpu_to_le32(MD_SB_MAGIC))
return 1;
sizeof(struct misc_dev_info));
memcpy(first, second, 1024+sizeof(bitmap_super_t) +
sizeof(struct misc_dev_info));
- *firstp = first;
+ st->sb = first;
return 0;
}
if (memcmp(first->set_uuid, second->set_uuid, 16)!= 0)
return 0;
}
-static int load_super1(struct supertype *st, int fd, void **sbp, char *devname)
+static void free_super1(struct supertype *st);
+
+static int load_super1(struct supertype *st, int fd, char *devname)
{
unsigned long long dsize;
unsigned long long sb_offset;
struct bitmap_super_s *bsb;
struct misc_dev_info *misc;
+ free_super1(st);
if (st->ss == NULL || st->minor_version == -1) {
int bestvers = -1;
__u64 bestctime = 0;
/* guess... choose latest ctime */
tst.ss = &super1;
+ tst.sb = NULL;
for (tst.minor_version = 0; tst.minor_version <= 2 ; tst.minor_version++) {
- switch(load_super1(&tst, fd, sbp, devname)) {
- case 0: super = *sbp;
+ switch(load_super1(&tst, fd, devname)) {
+ case 0: super = tst.sb;
if (bestvers == -1 ||
bestctime < __le64_to_cpu(super->ctime)) {
bestvers = tst.minor_version;
bestctime = __le64_to_cpu(super->ctime);
}
free(super);
- *sbp = NULL;
+ tst.sb = NULL;
break;
case 1: return 1; /*bad device */
case 2: break; /* bad, try next */
tst.minor_version = bestvers;
tst.ss = &super1;
tst.max_devs = 384;
- rv = load_super1(&tst, fd, sbp, devname);
+ rv = load_super1(&tst, fd, devname);
if (rv == 0)
*st = tst;
return rv;
free(super);
return 2;
}
- *sbp = super;
+ st->sb = super;
bsb = (struct bitmap_super_s *)(((char*)super)+1024);
* valid. If it doesn't clear the bit. An --assemble --force
* should get that written out.
*/
- locate_bitmap1(st, fd, super);
+ locate_bitmap1(st, fd);
if (read(fd, ((char*)super)+1024, sizeof(struct bitmap_super_s))
!= sizeof(struct bitmap_super_s))
goto no_bitmap;
- uuid_from_super1(uuid, super);
+ uuid_from_super1(st, uuid);
if (__le32_to_cpu(bsb->magic) != BITMAP_MAGIC ||
memcmp(bsb->uuid, uuid, 16) != 0)
goto no_bitmap;
st->ss = &super1;
st->max_devs = 384;
+ st->sb = NULL;
if (strcmp(arg, "1.0") == 0) {
st->minor_version = 0;
return st;
}
static int
-add_internal_bitmap1(struct supertype *st, void *sbv,
+add_internal_bitmap1(struct supertype *st,
int *chunkp, int delay, int write_behind,
unsigned long long size,
int may_change, int major)
long offset;
int chunk = *chunkp;
int room = 0;
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
bitmap_super_t *bms = (bitmap_super_t*)(((char*)sb) + 1024);
switch(st->minor_version) {
memset(bms, 0, sizeof(*bms));
bms->magic = __cpu_to_le32(BITMAP_MAGIC);
bms->version = __cpu_to_le32(major);
- uuid_from_super1((int*)bms->uuid, sb);
+ uuid_from_super1(st, (int*)bms->uuid);
bms->chunksize = __cpu_to_le32(chunk);
bms->daemon_sleep = __cpu_to_le32(delay);
bms->sync_size = __cpu_to_le64(size);
}
-static void locate_bitmap1(struct supertype *st, int fd, void *sbv)
+static void locate_bitmap1(struct supertype *st, int fd)
{
unsigned long long offset;
struct mdp_superblock_1 *sb;
int mustfree = 0;
- if (!sbv) {
- if (st->ss->load_super(st, fd, &sbv, NULL))
+ if (!st->sb) {
+ if (st->ss->load_super(st, fd, NULL))
return; /* no error I hope... */
mustfree = 1;
}
- sb = sbv;
+ sb = st->sb;
offset = __le64_to_cpu(sb->super_offset);
offset += (int32_t) __le32_to_cpu(sb->bitmap_offset);
lseek64(fd, offset<<9, 0);
}
-static int write_bitmap1(struct supertype *st, int fd, void *sbv)
+static int write_bitmap1(struct supertype *st, int fd)
{
- struct mdp_superblock_1 *sb = sbv;
+ struct mdp_superblock_1 *sb = st->sb;
bitmap_super_t *bms = (bitmap_super_t*)(((char*)sb)+1024);
int rv = 0;
int towrite, n;
char buf[4096];
- locate_bitmap1(st, fd, sbv);
+ locate_bitmap1(st, fd);
if (write(fd, ((char*)sb)+1024, sizeof(bitmap_super_t)) !=
sizeof(bitmap_super_t))
return rv;
}
+static void free_super1(struct supertype *st)
+{
+ if (st->sb)
+ free(st->sb);
+ st->sb = NULL;
+}
+
struct superswitch super1 = {
#ifndef MDASSEMBLE
.examine_super = examine_super1,
.brief_examine_super = brief_examine_super1,
+ .export_examine_super = export_examine_super1,
.detail_super = detail_super1,
.brief_detail_super = brief_detail_super1,
- .export_super = export_super1,
+ .export_detail_super = export_detail_super1,
#endif
.match_home = match_home1,
.uuid_from_super = uuid_from_super1,
.add_internal_bitmap = add_internal_bitmap1,
.locate_bitmap = locate_bitmap1,
.write_bitmap = write_bitmap1,
+ .free_super = free_super1,
.major = 1,
#if __BYTE_ORDER == BIG_ENDIAN
.swapuuid = 0,