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_super1(struct supertype *st, mdu_disk_info_t *dk)
+static void add_to_super1(struct supertype *st, mdu_disk_info_t *dk,
+ int fd, char *devname)
{
struct mdp_superblock_1 *sb = st->sb;
__u16 *rp = sb->dev_roles + dk->number;
+ struct devinfo *di, **dip;
+
if ((dk->state & 6) == 6) /* active, sync */
*rp = __cpu_to_le16(dk->raid_disk);
else if ((dk->state & ~2) == 0) /* active or idle -> spare */
*rp = 0xffff;
else
*rp = 0xfffe;
+
+ dip = (struct devinfo **)&st->info;
+ while (*dip)
+ dip = &(*dip)->next;
+ di = malloc(sizeof(struct devinfo));
+ di->fd = fd;
+ di->devname = devname;
+ di->disk = *dk;
+ di->next = NULL;
+ *dip = di;
}
static void locate_bitmap1(struct supertype *st, int fd);
return 4*2;
}
-static int write_init_super1(struct supertype *st,
- mdu_disk_info_t *dinfo, char *devname)
+#ifndef MDASSEMBLE
+static int write_init_super1(struct supertype *st)
{
struct mdp_superblock_1 *sb = st->sb;
struct supertype refst;
- int fd = open(devname, O_RDWR | O_EXCL);
int rfd;
- int rv;
+ int rv = 0;
int bm_space;
-
+ struct devinfo *di;
unsigned long long dsize, array_size;
long long sb_offset;
+ for (di = st->info; di && ! rv ; di = di->next) {
+ if (di->disk.state == 1)
+ continue;
- if (fd < 0) {
- fprintf(stderr, Name ": Failed to open %s to write superblock\n",
- devname);
- return -1;
- }
+ Kill(di->devname, 0, 1, 1);
+ Kill(di->devname, 0, 1, 1);
- sb->dev_number = __cpu_to_le32(dinfo->number);
- if (dinfo->state & (1<<MD_DISK_WRITEMOSTLY))
- sb->devflags |= __cpu_to_le32(WriteMostly1);
+ if (di->fd < 0) {
+ fprintf(stderr,
+ Name": Failed to open %s to write superblock\n",
+ di->devname);
+ return -1;
+ }
+ sb->dev_number = __cpu_to_le32(di->disk.number);
+ if (di->disk.state & (1<<MD_DISK_WRITEMOSTLY))
+ sb->devflags |= __cpu_to_le32(WriteMostly1);
- if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
- read(rfd, sb->device_uuid, 16) != 16) {
- *(__u32*)(sb->device_uuid) = random();
- *(__u32*)(sb->device_uuid+4) = random();
- *(__u32*)(sb->device_uuid+8) = random();
- *(__u32*)(sb->device_uuid+12) = random();
- }
- if (rfd >= 0) close(rfd);
- sb->events = 0;
-
- 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) {
- /* same array, so preserve events and dev_number */
- sb->events = refsb->events;
- /* bugs in 2.6.17 and earlier mean the dev_number
- * chosen in Manage must be preserved
- */
- if (get_linux_version() >= 2006018)
- sb->dev_number = refsb->dev_number;
+ if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
+ read(rfd, sb->device_uuid, 16) != 16) {
+ *(__u32*)(sb->device_uuid) = random();
+ *(__u32*)(sb->device_uuid+4) = random();
+ *(__u32*)(sb->device_uuid+8) = random();
+ *(__u32*)(sb->device_uuid+12) = random();
+ }
+ if (rfd >= 0) close(rfd);
+ sb->events = 0;
+
+ refst =*st;
+ refst.sb = NULL;
+ if (load_super1(&refst, di->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) {
+ /* same array, so preserve events and
+ * dev_number */
+ sb->events = refsb->events;
+ /* bugs in 2.6.17 and earlier mean the
+ * dev_number chosen in Manage must be preserved
+ */
+ if (get_linux_version() >= 2006018)
+ sb->dev_number = refsb->dev_number;
+ }
+ free(refsb);
}
- free(refsb);
- }
- if (!get_dev_size(fd, NULL, &dsize))
- return 1;
- dsize >>= 9;
+ if (!get_dev_size(di->fd, NULL, &dsize))
+ return 1;
+ dsize >>= 9;
- if (dsize < 24) {
- close(fd);
- return 2;
- }
+ if (dsize < 24) {
+ close(di->fd);
+ return 2;
+ }
- /*
- * Calculate the position of the superblock.
- * It is always aligned to a 4K boundary and
- * depending on minor_version, it can be:
- * 0: At least 8K, but less than 12K, from end of device
- * 1: At start of device
- * 2: 4K from start of device.
- * Depending on the array size, we might leave extra space
- * for a bitmap.
- */
- array_size = __le64_to_cpu(sb->size);
- /* work out how much space we left for a bitmap */
- bm_space = choose_bm_space(array_size);
-
- switch(st->minor_version) {
- case 0:
- sb_offset = dsize;
- sb_offset -= 8*2;
- sb_offset &= ~(4*2-1);
- sb->super_offset = __cpu_to_le64(sb_offset);
- sb->data_offset = __cpu_to_le64(0);
+ /*
+ * Calculate the position of the superblock.
+ * It is always aligned to a 4K boundary and
+ * depending on minor_version, it can be:
+ * 0: At least 8K, but less than 12K, from end of device
+ * 1: At start of device
+ * 2: 4K from start of device.
+ * Depending on the array size, we might leave extra space
+ * for a bitmap.
+ */
+ array_size = __le64_to_cpu(sb->size);
+ /* work out how much space we left for a bitmap */
+ bm_space = choose_bm_space(array_size);
+
+ switch(st->minor_version) {
+ case 0:
+ sb_offset = dsize;
+ sb_offset -= 8*2;
+ 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->super_offset = __cpu_to_le64(0);
- if (4*2 + bm_space + __le64_to_cpu(sb->size) > dsize)
- bm_space = dsize - __le64_to_cpu(sb->size) - 4*2;
- sb->data_offset = __cpu_to_le64(bm_space + 4*2);
- sb->data_size = __cpu_to_le64(dsize - bm_space - 4*2);
- break;
- case 2:
- sb_offset = 4*2;
- sb->super_offset = __cpu_to_le64(4*2);
- if (4*2 + 4*2 + bm_space + __le64_to_cpu(sb->size) > dsize)
- bm_space = dsize - __le64_to_cpu(sb->size) - 4*2 - 4*2;
- sb->data_offset = __cpu_to_le64(4*2 + 4*2 + bm_space);
- sb->data_size = __cpu_to_le64(dsize - 4*2 - 4*2 - bm_space );
- break;
- default:
- return -EINVAL;
- }
+ sb->data_size = __cpu_to_le64(sb_offset - bm_space);
+ break;
+ case 1:
+ sb->super_offset = __cpu_to_le64(0);
+ if (4*2 + bm_space + __le64_to_cpu(sb->size) > dsize)
+ bm_space = dsize - __le64_to_cpu(sb->size) -4*2;
+ sb->data_offset = __cpu_to_le64(bm_space + 4*2);
+ sb->data_size = __cpu_to_le64(dsize - bm_space - 4*2);
+ break;
+ case 2:
+ sb_offset = 4*2;
+ sb->super_offset = __cpu_to_le64(4*2);
+ if (4*2 + 4*2 + bm_space + __le64_to_cpu(sb->size)
+ > dsize)
+ bm_space = dsize - __le64_to_cpu(sb->size)
+ - 4*2 - 4*2;
+ sb->data_offset = __cpu_to_le64(4*2 + 4*2 + bm_space);
+ sb->data_size = __cpu_to_le64(dsize - 4*2 - 4*2
+ - bm_space );
+ break;
+ default:
+ return -EINVAL;
+ }
- sb->sb_csum = calc_sb_1_csum(sb);
- rv = store_super1(st, fd);
- if (rv)
- fprintf(stderr, Name ": failed to write superblock to %s\n", devname);
+ sb->sb_csum = calc_sb_1_csum(sb);
+ rv = store_super1(st, di->fd);
+ if (rv)
+ fprintf(stderr,
+ Name ": failed to write superblock to %s\n",
+ di->devname);
- if (rv == 0 && (__le32_to_cpu(sb->feature_map) & 1))
- rv = st->ss->write_bitmap(st, fd);
- close(fd);
+ if (rv == 0 && (__le32_to_cpu(sb->feature_map) & 1))
+ rv = st->ss->write_bitmap(st, di->fd);
+ close(di->fd);
+ di->fd = -1;
+ }
return rv;
}
+#endif
static int compare_super1(struct supertype *st, struct supertype *tst)
{
.detail_super = detail_super1,
.brief_detail_super = brief_detail_super1,
.export_detail_super = export_detail_super1,
+ .write_init_super = write_init_super1,
#endif
.match_home = match_home1,
.uuid_from_super = uuid_from_super1,
.init_super = init_super1,
.add_to_super = add_to_super1,
.store_super = store_super1,
- .write_init_super = write_init_super1,
.compare_super = compare_super1,
.load_super = load_super1,
.match_metadata_desc = match_metadata_desc1,
projects / thirdparty / mdadm.git / blobdiff