info->events = md_event(sb);
info->data_offset = 0;
+ sprintf(info->text_version, "0.%d", sb->minor_version);
+
uuid_from_super0(st, info->uuid);
if (sb->minor_version > 90 && (sb->reshape_position+1) != 0) {
return 1;
}
+struct devinfo {
+ int fd;
+ char *devname;
+ mdu_disk_info_t disk;
+ struct devinfo *next;
+};
/* Add a device to the superblock being created */
-static void add_to_super0(struct supertype *st, mdu_disk_info_t *dinfo)
+static void add_to_super0(struct supertype *st, mdu_disk_info_t *dinfo,
+ int fd, char *devname)
{
mdp_super_t *sb = st->sb;
mdp_disk_t *dk = &sb->disks[dinfo->number];
+ struct devinfo *di, **dip;
dk->number = dinfo->number;
dk->major = dinfo->major;
dk->minor = dinfo->minor;
dk->raid_disk = dinfo->raid_disk;
dk->state = dinfo->state;
+
+ sb->this_disk = sb->disks[dinfo->number];
+ sb->sb_csum = calc_sb0_csum(sb);
+
+ dip = (struct devinfo **)&st->info;
+ while (*dip)
+ dip = &(*dip)->next;
+ di = malloc(sizeof(struct devinfo));
+ di->fd = fd;
+ di->devname = devname;
+ di->disk = *dinfo;
+ di->next = NULL;
+ *dip = di;
}
static int store_super0(struct supertype *st, int fd)
return 0;
}
-static int write_init_super0(struct supertype *st,
- mdu_disk_info_t *dinfo, char *devname)
+#ifndef MDASSEMBLE
+static int write_init_super0(struct supertype *st)
{
mdp_super_t *sb = st->sb;
- int fd = open(devname, O_RDWR|O_EXCL);
- int rv;
+ int rv = 0;
+ struct devinfo *di;
- if (fd < 0) {
- fprintf(stderr, Name ": Failed to open %s to write superblock\n", devname);
- return -1;
- }
+ for (di = st->info ; di && ! rv ; di = di->next) {
- sb->disks[dinfo->number].state &= ~(1<<MD_DISK_FAULTY);
+ if (di->disk.state == 1)
+ continue;
+ if (di->fd == -1)
+ continue;
+ Kill(di->devname, 0, 1, 1);
+ Kill(di->devname, 0, 1, 1);
- sb->this_disk = sb->disks[dinfo->number];
- sb->sb_csum = calc_sb0_csum(sb);
- rv = store_super0(st, fd);
+ sb->disks[di->disk.number].state &= ~(1<<MD_DISK_FAULTY);
- if (rv == 0 && (sb->state & (1<<MD_SB_BITMAP_PRESENT)))
- rv = st->ss->write_bitmap(st, fd);
+ sb->this_disk = sb->disks[di->disk.number];
+ sb->sb_csum = calc_sb0_csum(sb);
+ rv = store_super0(st, di->fd);
- close(fd);
- if (rv)
- fprintf(stderr, Name ": failed to write superblock to %s\n", devname);
+ if (rv == 0 && (sb->state & (1<<MD_SB_BITMAP_PRESENT)))
+ rv = st->ss->write_bitmap(st, di->fd);
+
+ if (rv)
+ fprintf(stderr,
+ Name ": failed to write superblock to %s\n",
+ di->devname);
+ close(di->fd);
+ di->fd = -1;
+ }
return rv;
}
+#endif
static int compare_super0(struct supertype *st, struct supertype *tst)
{
free_super0(st);
+ if (st->subarray[0])
+ return 1;
+
if (!get_dev_size(fd, devname, &dsize))
return 1;
st->ss = &super0;
st->minor_version = super->minor_version;
st->max_devs = MD_SB_DISKS;
+ st->info = NULL;
}
/* Now check on the bitmap superblock */
struct supertype *st = malloc(sizeof(*st));
if (!st) return st;
+ memset(st, 0, sizeof(*st));
st->ss = &super0;
+ st->info = NULL;
st->minor_version = 90;
st->max_devs = MD_SB_DISKS;
st->sb = NULL;
if (strcmp(arg, "0") == 0 ||
strcmp(arg, "0.90") == 0 ||
- strcmp(arg, "0.91") == 0 ||
- strcmp(arg, "default") == 0
+ strcmp(arg, "default") == 0 ||
+ strcmp(arg, "") == 0 /* no metadata */
)
return st;
+ st->minor_version = 91; /* reshape in progress */
+ if (strcmp(arg, "0.91") == 0) /* For dup_super support */
+ return st;
+
st->minor_version = 9; /* flag for 'byte-swapped' */
- if (strcmp(arg, "0.swap")==0)
+ if (strcmp(arg, "0.swap")==0 ||
+ strcmp(arg, "0.9") == 0) /* For dup_super support */
return st;
free(st);
st->sb = NULL;
}
+static int validate_geometry0(struct supertype *st, int level,
+ int layout, int raiddisks,
+ int chunk, unsigned long long size,
+ char *subdev, unsigned long long *freesize)
+{
+ unsigned long long ldsize;
+ int fd;
+
+ if (level == LEVEL_CONTAINER)
+ return 0;
+ if (raiddisks > MD_SB_DISKS)
+ return 0;
+ if (size > (0x7fffffffULL<<10))
+ return 0;
+ if (!subdev)
+ return 1;
+
+ fd = open(subdev, O_RDONLY|O_EXCL, 0);
+ if (fd < 0) {
+ fprintf(stderr, Name ": Cannot open %s: %s\n",
+ subdev, strerror(errno));
+ return 0;
+ }
+ if (!get_dev_size(fd, subdev, &ldsize)) {
+ close(fd);
+ return 0;
+ }
+ close(fd);
+
+ if (ldsize < MD_RESERVED_SECTORS * 512)
+ return 0;
+ if (size > (0x7fffffffULL<<10))
+ return 0;
+ *freesize = MD_NEW_SIZE_SECTORS(ldsize >> 9);
+ return 1;
+}
+
struct superswitch super0 = {
#ifndef MDASSEMBLE
.examine_super = examine_super0,
.detail_super = detail_super0,
.brief_detail_super = brief_detail_super0,
.export_detail_super = export_detail_super0,
+ .write_init_super = write_init_super0,
#endif
.match_home = match_home0,
.uuid_from_super = uuid_from_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,
.locate_bitmap = locate_bitmap0,
.write_bitmap = write_bitmap0,
.free_super = free_super0,
- .major = 0,
- .swapuuid = 0,
+ .validate_geometry = validate_geometry0,
};
projects / thirdparty / mdadm.git / blobdiff