#define IMSM_MAX_DEVICES 255
struct imsm_disk {
__u8 serial[MAX_RAID_SERIAL_LEN];/* 0xD8 - 0xE7 ascii serial number */
- __u32 total_blocks; /* 0xE8 - 0xEB total blocks */
+ __u32 total_blocks_lo; /* 0xE8 - 0xEB total blocks lo */
__u32 scsi_id; /* 0xEC - 0xEF scsi ID */
#define SPARE_DISK __cpu_to_le32(0x01) /* Spare */
#define CONFIGURED_DISK __cpu_to_le32(0x02) /* Member of some RaidDev */
#define FAILED_DISK __cpu_to_le32(0x04) /* Permanent failure */
__u32 status; /* 0xF0 - 0xF3 */
__u32 owner_cfg_num; /* which config 0,1,2... owns this disk */
-#define IMSM_DISK_FILLERS 4
- __u32 filler[IMSM_DISK_FILLERS]; /* 0xF4 - 0x107 MPB_DISK_FILLERS for future expansion */
+ __u32 total_blocks_hi; /* 0xF4 - 0xF5 total blocks hi */
+#define IMSM_DISK_FILLERS 3
+ __u32 filler[IMSM_DISK_FILLERS]; /* 0xF5 - 0x107 MPB_DISK_FILLERS for future expansion */
};
/* map selector for map managment
*/
-#define MAP_0 2
-#define MAP_1 4
+#define MAP_0 0
+#define MAP_1 1
+#define MAP_X -1
/* RAID map configuration infos. */
struct imsm_map {
- __u32 pba_of_lba0; /* start address of partition */
- __u32 blocks_per_member;/* blocks per member */
- __u32 num_data_stripes; /* number of data stripes */
+ __u32 pba_of_lba0_lo; /* start address of partition */
+ __u32 blocks_per_member_lo;/* blocks per member */
+ __u32 num_data_stripes_lo; /* number of data stripes */
__u16 blocks_per_strip;
__u8 map_state; /* Normal, Uninitialized, Degraded, Failed */
#define IMSM_T_STATE_NORMAL 0
__u8 num_domains; /* number of parity domains */
__u8 failed_disk_num; /* valid only when state is degraded */
__u8 ddf;
- __u32 filler[7]; /* expansion area */
+ __u32 pba_of_lba0_hi;
+ __u32 blocks_per_member_hi;
+ __u32 num_data_stripes_hi;
+ __u32 filler[4]; /* expansion area */
#define IMSM_ORD_REBUILD (1 << 24)
__u32 disk_ord_tbl[1]; /* disk_ord_tbl[num_members],
* top byte contains some flags
#define GEN_MIGR_AREA_SIZE 2048 /* General Migration Copy Area size in blocks */
+#define MIGR_REC_BUF_SIZE 512 /* size of migr_record i/o buffer */
+#define MIGR_REC_POSITION 512 /* migr_record position offset on disk,
+ * MIGR_REC_BUF_SIZE <= MIGR_REC_POSITION
+ */
+
+
#define UNIT_SRC_NORMAL 0 /* Source data for curr_migr_unit must
* be recovered using srcMap */
#define UNIT_SRC_IN_CP_AREA 1 /* Source data for curr_migr_unit has
* (for recovered migrations) */
} __attribute__ ((__packed__));
+struct md_list {
+ /* usage marker:
+ * 1: load metadata
+ * 2: metadata does not match
+ * 4: already checked
+ */
+ int used;
+ char *devname;
+ int found;
+ int container;
+ dev_t st_rdev;
+ struct md_list *next;
+};
+
+#define pr_vrb(fmt, arg...) (void) (verbose && pr_err(fmt, ##arg))
+
static __u8 migr_type(struct imsm_dev *dev)
{
if (dev->vol.migr_type == MIGR_VERIFY &&
static unsigned int sector_count(__u32 bytes)
{
- return ((bytes + (512-1)) & (~(512-1))) / 512;
+ return ROUND_UP(bytes, 512) / 512;
}
static unsigned int mpb_sectors(struct imsm_super *mpb)
void *migr_rec_buf; /* buffer for I/O operations */
struct migr_record *migr_rec; /* migration record */
};
+ int clean_migration_record_by_mdmon; /* when reshape is switched to next
+ array, it indicates that mdmon is allowed to clean migration
+ record */
size_t len; /* size of the 'buf' allocation */
void *next_buf; /* for realloc'ing buf from the manager */
size_t next_len;
int updates_pending; /* count of pending updates for mdmon */
int current_vol; /* index of raid device undergoing creation */
- __u32 create_offset; /* common start for 'current_vol' */
+ unsigned long long create_offset; /* common start for 'current_vol' */
__u32 random; /* random data for seeding new family numbers */
struct intel_dev *devlist;
struct dl {
enum imsm_reshape_type {
CH_TAKEOVER,
CH_MIGRATION,
+ CH_ARRAY_SIZE,
};
/* definition of messages passed to imsm_process_update */
update_reshape_migration,
update_takeover,
update_general_migration_checkpoint,
+ update_size_change,
};
struct imsm_update_activate_spare {
int new_disks[1]; /* new_raid_disks - old_raid_disks makedev number */
};
+struct imsm_update_size_change {
+ enum imsm_update_type type;
+ int subdev;
+ long long new_size;
+};
+
struct imsm_update_general_migration_checkpoint {
enum imsm_update_type type;
__u32 curr_migr_unit;
static struct intel_hba * alloc_intel_hba(struct sys_dev *device)
{
- struct intel_hba *result = malloc(sizeof(*result));
- if (result) {
- result->type = device->type;
- result->path = strdup(device->path);
- result->next = NULL;
- if (result->path && (result->pci_id = strrchr(result->path, '/')) != NULL)
- result->pci_id++;
- }
+ struct intel_hba *result = xmalloc(sizeof(*result));
+
+ result->type = device->type;
+ result->path = xstrdup(device->path);
+ result->next = NULL;
+ if (result->path && (result->pci_id = strrchr(result->path, '/')) != NULL)
+ result->pci_id++;
+
return result;
}
)
return NULL;
- st = malloc(sizeof(*st));
- if (!st)
- return NULL;
- memset(st, 0, sizeof(*st));
+ st = xcalloc(1, sizeof(*st));
st->container_dev = NoMdDev;
st->ss = &super_imsm;
st->max_devs = IMSM_MAX_DEVICES;
{
/* A device can have 2 maps if it is in the middle of a migration.
* If second_map is:
- * MAP_0 or
- * 0 - we return the first map
- * MAP_1 or
- * 1 - we return the second map if it exists, else NULL
- * -1 - we return the second map if it exists, else the first
- * -2 - we return longer map /excluding uninitialized state/
+ * MAP_0 - we return the first map
+ * MAP_1 - we return the second map if it exists, else NULL
+ * MAP_X - we return the second map if it exists, else the first
*/
struct imsm_map *map = &dev->vol.map[0];
struct imsm_map *map2 = NULL;
switch (second_map) {
case MAP_0:
- case 0:
break;
case MAP_1:
- case 1:
map = map2;
break;
- case -1:
+ case MAP_X:
if (map2)
map = map2;
break;
- case -2:
- if (map2
- && map2->map_state != IMSM_T_STATE_UNINITIALIZED
- && map2->num_members > map->num_members)
- map = map2;
- break;
default:
map = NULL;
}
static size_t sizeof_imsm_dev(struct imsm_dev *dev, int migr_state)
{
size_t size = sizeof(*dev) - sizeof(struct imsm_map) +
- sizeof_imsm_map(get_imsm_map(dev, 0));
+ sizeof_imsm_map(get_imsm_map(dev, MAP_0));
/* migrating means an additional map */
if (dev->vol.migr_state)
- size += sizeof_imsm_map(get_imsm_map(dev, 1));
+ size += sizeof_imsm_map(get_imsm_map(dev, MAP_1));
else if (migr_state)
- size += sizeof_imsm_map(get_imsm_map(dev, 0));
+ size += sizeof_imsm_map(get_imsm_map(dev, MAP_0));
return size;
}
/*
* for second_map:
- * == 0 get first map
- * == 1 get second map
- * == -1 than get map according to the current migr_state
+ * == MAP_0 get first map
+ * == MAP_1 get second map
+ * == MAP_X than get map according to the current migr_state
*/
static __u32 get_imsm_ord_tbl_ent(struct imsm_dev *dev,
int slot,
for (i = 0; i < super->anchor->num_raid_devs; i++) {
struct imsm_dev *dev = get_imsm_dev(super, i);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
if (get_imsm_disk_slot(map, dl->index) >= 0)
memberships++;
static __u32 imsm_min_reserved_sectors(struct intel_super *super);
+static int split_ull(unsigned long long n, __u32 *lo, __u32 *hi)
+{
+ if (lo == 0 || hi == 0)
+ return 1;
+ *lo = __le32_to_cpu((unsigned)n);
+ *hi = __le32_to_cpu((unsigned)(n >> 32));
+ return 0;
+}
+
+static unsigned long long join_u32(__u32 lo, __u32 hi)
+{
+ return (unsigned long long)__le32_to_cpu(lo) |
+ (((unsigned long long)__le32_to_cpu(hi)) << 32);
+}
+
+static unsigned long long total_blocks(struct imsm_disk *disk)
+{
+ if (disk == NULL)
+ return 0;
+ return join_u32(disk->total_blocks_lo, disk->total_blocks_hi);
+}
+
+static unsigned long long pba_of_lba0(struct imsm_map *map)
+{
+ if (map == NULL)
+ return 0;
+ return join_u32(map->pba_of_lba0_lo, map->pba_of_lba0_hi);
+}
+
+static unsigned long long blocks_per_member(struct imsm_map *map)
+{
+ if (map == NULL)
+ return 0;
+ return join_u32(map->blocks_per_member_lo, map->blocks_per_member_hi);
+}
+
+#ifndef MDASSEMBLE
+static unsigned long long num_data_stripes(struct imsm_map *map)
+{
+ if (map == NULL)
+ return 0;
+ return join_u32(map->num_data_stripes_lo, map->num_data_stripes_hi);
+}
+
+static void set_total_blocks(struct imsm_disk *disk, unsigned long long n)
+{
+ split_ull(n, &disk->total_blocks_lo, &disk->total_blocks_hi);
+}
+#endif
+
+static void set_pba_of_lba0(struct imsm_map *map, unsigned long long n)
+{
+ split_ull(n, &map->pba_of_lba0_lo, &map->pba_of_lba0_hi);
+}
+
+static void set_blocks_per_member(struct imsm_map *map, unsigned long long n)
+{
+ split_ull(n, &map->blocks_per_member_lo, &map->blocks_per_member_hi);
+}
+
+static void set_num_data_stripes(struct imsm_map *map, unsigned long long n)
+{
+ split_ull(n, &map->num_data_stripes_lo, &map->num_data_stripes_hi);
+}
+
static struct extent *get_extents(struct intel_super *super, struct dl *dl)
{
/* find a list of used extents on the given physical device */
else
reservation = MPB_SECTOR_CNT + IMSM_RESERVED_SECTORS;
- rv = malloc(sizeof(struct extent) * (memberships + 1));
- if (!rv)
- return NULL;
+ rv = xcalloc(sizeof(struct extent), (memberships + 1));
e = rv;
for (i = 0; i < super->anchor->num_raid_devs; i++) {
struct imsm_dev *dev = get_imsm_dev(super, i);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
if (get_imsm_disk_slot(map, dl->index) >= 0) {
- e->start = __le32_to_cpu(map->pba_of_lba0);
- e->size = __le32_to_cpu(map->blocks_per_member);
+ e->start = pba_of_lba0(map);
+ e->size = blocks_per_member(map);
e++;
}
}
*/
if (memberships) {
struct extent *last = &rv[memberships - 1];
- __u32 remainder;
+ unsigned long long remainder;
- remainder = __le32_to_cpu(dl->disk.total_blocks) -
- (last->start + last->size);
+ remainder = total_blocks(&dl->disk) - (last->start + last->size);
/* round down to 1k block to satisfy precision of the kernel
* 'size' interface
*/
if (reservation > remainder)
reservation = remainder;
}
- e->start = __le32_to_cpu(dl->disk.total_blocks) - reservation;
+ e->start = total_blocks(&dl->disk) - reservation;
e->size = 0;
return rv;
}
for (i = 0; e[i].size; i++)
continue;
- rv = __le32_to_cpu(dl->disk.total_blocks) - e[i].start;
+ rv = total_blocks(&dl->disk) - e[i].start;
free(e);
{
struct extent *e;
int i;
- __u32 min_active, remainder;
+ unsigned long long min_active;
+ __u32 remainder;
__u32 rv = MPB_SECTOR_CNT + IMSM_RESERVED_SECTORS;
struct dl *dl, *dl_min = NULL;
for (dl = super->disks; dl; dl = dl->next) {
if (dl->index < 0)
continue;
- if (dl->disk.total_blocks < min_active || min_active == 0) {
+ unsigned long long blocks = total_blocks(&dl->disk);
+ if (blocks < min_active || min_active == 0) {
dl_min = dl;
- min_active = dl->disk.total_blocks;
+ min_active = blocks;
}
}
if (!dl_min)
return rv * 512;
}
+static int is_gen_migration(struct imsm_dev *dev);
+
#ifndef MDASSEMBLE
static __u64 blocks_per_migr_unit(struct intel_super *super,
struct imsm_dev *dev);
-static int is_gen_migration(struct imsm_dev *dev);
-
static void print_imsm_dev(struct intel_super *super,
struct imsm_dev *dev,
char *uuid,
{
__u64 sz;
int slot, i;
- struct imsm_map *map = get_imsm_map(dev, 0);
- struct imsm_map *map2 = get_imsm_map(dev, 1);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ struct imsm_map *map2 = get_imsm_map(dev, MAP_1);
__u32 ord;
printf("\n");
printf("\n");
printf(" Slots : [");
for (i = 0; i < map->num_members; i++) {
- ord = get_imsm_ord_tbl_ent(dev, i, 0);
+ ord = get_imsm_ord_tbl_ent(dev, i, MAP_0);
printf("%s", ord & IMSM_ORD_REBUILD ? "_" : "U");
}
printf("]");
if (map2) {
printf(" <-- [");
for (i = 0; i < map2->num_members; i++) {
- ord = get_imsm_ord_tbl_ent(dev, i, 1);
+ ord = get_imsm_ord_tbl_ent(dev, i, MAP_1);
printf("%s", ord & IMSM_ORD_REBUILD ? "_" : "U");
}
printf("]");
printf("\n");
slot = get_imsm_disk_slot(map, disk_idx);
if (slot >= 0) {
- ord = get_imsm_ord_tbl_ent(dev, slot, -1);
+ ord = get_imsm_ord_tbl_ent(dev, slot, MAP_X);
printf(" This Slot : %d%s\n", slot,
ord & IMSM_ORD_REBUILD ? " (out-of-sync)" : "");
} else
sz += __le32_to_cpu(dev->size_low);
printf(" Array Size : %llu%s\n", (unsigned long long)sz,
human_size(sz * 512));
- sz = __le32_to_cpu(map->blocks_per_member);
+ sz = blocks_per_member(map);
printf(" Per Dev Size : %llu%s\n", (unsigned long long)sz,
human_size(sz * 512));
- printf(" Sector Offset : %u\n",
- __le32_to_cpu(map->pba_of_lba0));
- printf(" Num Stripes : %u\n",
- __le32_to_cpu(map->num_data_stripes));
+ printf(" Sector Offset : %llu\n",
+ pba_of_lba0(map));
+ printf(" Num Stripes : %llu\n",
+ num_data_stripes(map));
printf(" Chunk Size : %u KiB",
__le16_to_cpu(map->blocks_per_strip) / 2);
if (map2)
printf("idle\n");
printf(" Map State : %s", map_state_str[map->map_state]);
if (dev->vol.migr_state) {
- struct imsm_map *map = get_imsm_map(dev, 1);
+ struct imsm_map *map = get_imsm_map(dev, MAP_1);
printf(" <-- %s", map_state_str[map->map_state]);
printf("\n Checkpoint : %u ",
__le32_to_cpu(dev->vol.curr_migr_unit));
- if ((is_gen_migration(dev)) && (super->disks->index > 1))
+ if ((is_gen_migration(dev)) && ((slot > 1) || (slot < 0)))
printf("(N/A)");
else
printf("(%llu)", (unsigned long long)
is_configured(disk) ? " active" : "",
is_failed(disk) ? " failed" : "");
printf(" Id : %08x\n", __le32_to_cpu(disk->scsi_id));
- sz = __le32_to_cpu(disk->total_blocks) - reserved;
+ sz = total_blocks(disk) - reserved;
printf(" Usable Size : %llu%s\n", (unsigned long long)sz,
human_size(sz * 512));
}
for (i = 0; i < mpb->num_raid_devs; i++) {
struct imsm_dev *dev = __get_imsm_dev(mpb, i);
+ struct imsm_map *map;
+ int slot = -1;
+
if (is_gen_migration(dev) == 0)
continue;
printf("\nMigration Record Information:");
- if (super->disks->index > 1) {
+
+ /* first map under migration */
+ map = get_imsm_map(dev, MAP_0);
+ if (map)
+ slot = get_imsm_disk_slot(map, super->disks->index);
+ if ((map == NULL) || (slot > 1) || (slot < 0)) {
printf(" Empty\n ");
printf("Examine one of first two disks in array\n");
break;
not_supported &= attributes;
if (not_supported) {
- fprintf(stderr, Name "(IMSM): Unsupported attributes : %x\n",
+ pr_err("(IMSM): Unsupported attributes : %x\n",
(unsigned)__le32_to_cpu(not_supported));
if (not_supported & MPB_ATTRIB_CHECKSUM_VERIFY) {
dprintf("\t\tMPB_ATTRIB_CHECKSUM_VERIFY \n");
if (port_count > (int)sizeof(port_mask) * 8) {
if (verbose)
- fprintf(stderr, Name ": port_count %d out of range\n", port_count);
+ pr_err("port_count %d out of range\n", port_count);
return 2;
}
/* retrieve the scsi device type */
if (asprintf(&device, "/sys/dev/block/%d:%d/device/xxxxxxx", major, minor) < 0) {
if (verbose)
- fprintf(stderr, Name ": failed to allocate 'device'\n");
+ pr_err("failed to allocate 'device'\n");
err = 2;
break;
}
sprintf(device, "/sys/dev/block/%d:%d/device/type", major, minor);
if (load_sys(device, buf) != 0) {
if (verbose)
- fprintf(stderr, Name ": failed to read device type for %s\n",
+ pr_err("failed to read device type for %s\n",
path);
err = 2;
free(device);
c = strchr(&path[hba_len], '/');
if (!c) {
if (verbose)
- fprintf(stderr, Name ": %s - invalid path name\n", path + hba_len);
+ pr_err("%s - invalid path name\n", path + hba_len);
err = 2;
break;
}
else {
if (verbose) {
*c = '/'; /* repair the full string */
- fprintf(stderr, Name ": failed to determine port number for %s\n",
+ pr_err("failed to determine port number for %s\n",
path);
}
err = 2;
static void print_found_intel_controllers(struct sys_dev *elem)
{
for (; elem; elem = elem->next) {
- fprintf(stderr, Name ": found Intel(R) ");
+ pr_err("found Intel(R) ");
if (elem->type == SYS_DEV_SATA)
fprintf(stderr, "SATA ");
else if (elem->type == SYS_DEV_SAS)
imsm_orom_has_chunk(orom, 1024*16) ? " 16M" : "",
imsm_orom_has_chunk(orom, 1024*32) ? " 32M" : "",
imsm_orom_has_chunk(orom, 1024*64) ? " 64M" : "");
+ printf(" 2TB volumes :%s supported\n",
+ (orom->attr & IMSM_OROM_ATTR_2TB)?"":" not");
+ printf(" 2TB disks :%s supported\n",
+ (orom->attr & IMSM_OROM_ATTR_2TB_DISK)?"":" not");
printf(" Max Disks : %d\n", orom->tds);
- printf(" Max Volumes : %d\n", orom->vpa);
+ printf(" Max Volumes : %d per array, %d per controller\n",
+ orom->vpa, orom->vphba);
return;
}
list = find_intel_devices();
if (!list) {
if (verbose)
- fprintf(stderr, Name ": no active Intel(R) RAID "
+ pr_err("no active Intel(R) RAID "
"controller found.\n");
free_sys_dev(&list);
return 2;
for (hba = list; hba; hba = hba->next) {
orom = find_imsm_capability(hba->type);
if (!orom)
- fprintf(stderr, Name ": imsm capabilities not found for controller: %s (type %s)\n",
+ pr_err("imsm capabilities not found for controller: %s (type %s)\n",
hba->path, get_sys_dev_type(hba->type));
else
print_imsm_capability(orom);
host_base = ahci_get_port_count(hba->path, &port_count);
if (ahci_enumerate_ports(hba->path, port_count, host_base, verbose)) {
if (verbose)
- fprintf(stderr, Name ": failed to enumerate "
+ pr_err("failed to enumerate "
"ports on SATA controller at %s.", hba->pci_id);
result |= 2;
}
static __u32 migr_strip_blocks_resync(struct imsm_dev *dev)
{
/* migr_strip_size when repairing or initializing parity */
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
__u32 chunk = __le32_to_cpu(map->blocks_per_strip);
switch (get_imsm_raid_level(map)) {
* this is different than migr_strip_size_resync(), but it's good
* to be compatible
*/
- struct imsm_map *map = get_imsm_map(dev, 1);
+ struct imsm_map *map = get_imsm_map(dev, MAP_1);
__u32 chunk = __le32_to_cpu(map->blocks_per_strip);
switch (get_imsm_raid_level(map)) {
static __u32 num_stripes_per_unit_resync(struct imsm_dev *dev)
{
- struct imsm_map *lo = get_imsm_map(dev, 0);
- struct imsm_map *hi = get_imsm_map(dev, 1);
+ struct imsm_map *lo = get_imsm_map(dev, MAP_0);
+ struct imsm_map *hi = get_imsm_map(dev, MAP_1);
__u32 lo_chunk = __le32_to_cpu(lo->blocks_per_strip);
__u32 hi_chunk = __le32_to_cpu(hi->blocks_per_strip);
static __u32 num_stripes_per_unit_rebuild(struct imsm_dev *dev)
{
- struct imsm_map *lo = get_imsm_map(dev, 0);
+ struct imsm_map *lo = get_imsm_map(dev, MAP_0);
int level = get_imsm_raid_level(lo);
if (level == 1 || level == 10) {
- struct imsm_map *hi = get_imsm_map(dev, 1);
+ struct imsm_map *hi = get_imsm_map(dev, MAP_1);
return hi->num_domains;
} else
switch (get_imsm_raid_level(map)) {
case 0:
+ return map->num_members;
+ break;
case 1:
case 10:
- return map->num_members;
+ return map->num_members/2;
case 5:
return map->num_members - 1;
default:
static __u32 parity_segment_depth(struct imsm_dev *dev)
{
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
__u32 chunk = __le32_to_cpu(map->blocks_per_strip);
switch(get_imsm_raid_level(map)) {
static __u32 map_migr_block(struct imsm_dev *dev, __u32 block)
{
- struct imsm_map *map = get_imsm_map(dev, 1);
+ struct imsm_map *map = get_imsm_map(dev, MAP_1);
__u32 chunk = __le32_to_cpu(map->blocks_per_strip);
__u32 strip = block / chunk;
case MIGR_VERIFY:
case MIGR_REPAIR:
case MIGR_INIT: {
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
__u32 stripes_per_unit;
__u32 blocks_per_unit;
__u32 parity_depth;
*/
stripes_per_unit = num_stripes_per_unit_resync(dev);
migr_chunk = migr_strip_blocks_resync(dev);
- disks = imsm_num_data_members(dev, 0);
+ disks = imsm_num_data_members(dev, MAP_0);
blocks_per_unit = stripes_per_unit * migr_chunk * disks;
stripe = __le16_to_cpu(map->blocks_per_strip) * disks;
segment = blocks_per_unit / stripe;
unsigned long long dsize;
get_dev_size(fd, NULL, &dsize);
- if (lseek64(fd, dsize - 512, SEEK_SET) < 0) {
- fprintf(stderr,
- Name ": Cannot seek to anchor block: %s\n",
- strerror(errno));
+ if (lseek64(fd, dsize - MIGR_REC_POSITION, SEEK_SET) < 0) {
+ pr_err("Cannot seek to anchor block: %s\n",
+ strerror(errno));
goto out;
}
- if (read(fd, super->migr_rec_buf, 512) != 512) {
- fprintf(stderr,
- Name ": Cannot read migr record block: %s\n",
- strerror(errno));
+ if (read(fd, super->migr_rec_buf, MIGR_REC_BUF_SIZE) !=
+ MIGR_REC_BUF_SIZE) {
+ pr_err("Cannot read migr record block: %s\n",
+ strerror(errno));
goto out;
}
ret_val = 0;
return ret_val;
}
+static struct imsm_dev *imsm_get_device_during_migration(
+ struct intel_super *super)
+{
+
+ struct intel_dev *dv;
+
+ for (dv = super->devlist; dv; dv = dv->next) {
+ if (is_gen_migration(dv->dev))
+ return dv->dev;
+ }
+ return NULL;
+}
+
/*******************************************************************************
* Function: load_imsm_migr_rec
* Description: Function reads imsm migration record (it is stored at the last
* Returns:
* 0 : success
* -1 : fail
+ * -2 : no migration in progress
******************************************************************************/
static int load_imsm_migr_rec(struct intel_super *super, struct mdinfo *info)
{
char nm[30];
int retval = -1;
int fd = -1;
+ struct imsm_dev *dev;
+ struct imsm_map *map = NULL;
+ int slot = -1;
+
+ /* find map under migration */
+ dev = imsm_get_device_during_migration(super);
+ /* nothing to load,no migration in progress?
+ */
+ if (dev == NULL)
+ return -2;
+ map = get_imsm_map(dev, MAP_0);
if (info) {
for (sd = info->devs ; sd ; sd = sd->next) {
+ /* skip spare and failed disks
+ */
+ if (sd->disk.raid_disk < 0)
+ continue;
/* read only from one of the first two slots */
- if ((sd->disk.raid_disk > 1) ||
- (sd->disk.raid_disk < 0))
+ if (map)
+ slot = get_imsm_disk_slot(map,
+ sd->disk.raid_disk);
+ if ((map == NULL) || (slot > 1) || (slot < 0))
continue;
+
sprintf(nm, "%d:%d", sd->disk.major, sd->disk.minor);
fd = dev_open(nm, O_RDONLY);
if (fd >= 0)
}
if (fd < 0) {
for (dl = super->disks; dl; dl = dl->next) {
+ /* skip spare and failed disks
+ */
+ if (dl->index < 0)
+ continue;
/* read only from one of the first two slots */
- if (dl->index > 1)
+ if (map)
+ slot = get_imsm_disk_slot(map, dl->index);
+ if ((map == NULL) || (slot > 1) || (slot < 0))
continue;
sprintf(nm, "%d:%d", dl->major, dl->minor);
fd = dev_open(nm, O_RDONLY);
update_memory_size =
sizeof(struct imsm_update_general_migration_checkpoint);
- *u = calloc(1, update_memory_size);
+ *u = xcalloc(1, update_memory_size);
if (*u == NULL) {
dprintf("error: cannot get memory for "
"imsm_create_metadata_checkpoint_update update\n");
struct dl *sd;
int len;
struct imsm_update_general_migration_checkpoint *u;
+ struct imsm_dev *dev;
+ struct imsm_map *map = NULL;
+
+ /* find map under migration */
+ dev = imsm_get_device_during_migration(super);
+ /* if no migration, write buffer anyway to clear migr_record
+ * on disk based on first available device
+ */
+ if (dev == NULL)
+ dev = get_imsm_dev(super, super->current_vol < 0 ? 0 :
+ super->current_vol);
+
+ map = get_imsm_map(dev, MAP_0);
for (sd = super->disks ; sd ; sd = sd->next) {
+ int slot = -1;
+
+ /* skip failed and spare devices */
+ if (sd->index < 0)
+ continue;
/* write to 2 first slots only */
- if ((sd->index < 0) || (sd->index > 1))
+ if (map)
+ slot = get_imsm_disk_slot(map, sd->index);
+ if ((map == NULL) || (slot > 1) || (slot < 0))
continue;
+
sprintf(nm, "%d:%d", sd->major, sd->minor);
fd = dev_open(nm, O_RDWR);
if (fd < 0)
continue;
get_dev_size(fd, NULL, &dsize);
- if (lseek64(fd, dsize - 512, SEEK_SET) < 0) {
- fprintf(stderr,
- Name ": Cannot seek to anchor block: %s\n",
- strerror(errno));
+ if (lseek64(fd, dsize - MIGR_REC_POSITION, SEEK_SET) < 0) {
+ pr_err("Cannot seek to anchor block: %s\n",
+ strerror(errno));
goto out;
}
- if (write(fd, super->migr_rec_buf, 512) != 512) {
- fprintf(stderr,
- Name ": Cannot write migr record block: %s\n",
- strerror(errno));
+ if (write(fd, super->migr_rec_buf, MIGR_REC_BUF_SIZE) !=
+ MIGR_REC_BUF_SIZE) {
+ pr_err("Cannot write migr record block: %s\n",
+ strerror(errno));
goto out;
}
close(fd);
}
return rv;
}
+static unsigned long long imsm_component_size_aligment_check(int level,
+ int chunk_size,
+ unsigned long long component_size)
+{
+ unsigned int component_size_alligment;
+
+ /* check component size aligment
+ */
+ component_size_alligment = component_size % (chunk_size/512);
+
+ dprintf("imsm_component_size_aligment_check(Level: %i, "
+ "chunk_size = %i, component_size = %llu), "
+ "component_size_alligment = %u\n",
+ level, chunk_size, component_size,
+ component_size_alligment);
+
+ if (component_size_alligment && (level != 1) && (level != UnSet)) {
+ dprintf("imsm: reported component size alligned from %llu ",
+ component_size);
+ component_size -= component_size_alligment;
+ dprintf("to %llu (%i).\n",
+ component_size, component_size_alligment);
+ }
+
+ return component_size;
+}
static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info, char *dmap)
{
struct intel_super *super = st->sb;
struct migr_record *migr_rec = super->migr_rec;
struct imsm_dev *dev = get_imsm_dev(super, super->current_vol);
- struct imsm_map *map = get_imsm_map(dev, 0);
- struct imsm_map *prev_map = get_imsm_map(dev, 1);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ struct imsm_map *prev_map = get_imsm_map(dev, MAP_1);
struct imsm_map *map_to_analyse = map;
struct dl *dl;
char *devname;
- unsigned int component_size_alligment;
int map_disks = info->array.raid_disks;
memset(info, 0, sizeof(*info));
dl->index);
}
- info->data_offset = __le32_to_cpu(map_to_analyse->pba_of_lba0);
- info->component_size =
- __le32_to_cpu(map_to_analyse->blocks_per_member);
+ info->data_offset = pba_of_lba0(map_to_analyse);
+ info->component_size = blocks_per_member(map_to_analyse);
- /* check component size aligment
- */
- component_size_alligment =
- info->component_size % (info->array.chunk_size/512);
-
- if (component_size_alligment &&
- (info->array.level != 1) && (info->array.level != UnSet)) {
- dprintf("imsm: reported component size alligned from %llu ",
- info->component_size);
- info->component_size -= component_size_alligment;
- dprintf("to %llu (%i).\n",
- info->component_size, component_size_alligment);
- }
+ info->component_size = imsm_component_size_aligment_check(
+ info->array.level,
+ info->array.chunk_size,
+ info->component_size);
memset(info->uuid, 0, sizeof(info->uuid));
info->recovery_start = MaxSector;
(unsigned long long)blocks_per_unit,
info->reshape_progress);
- used_disks = imsm_num_data_members(dev, 1);
+ used_disks = imsm_num_data_members(dev, MAP_1);
if (used_disks > 0) {
- array_blocks = map->blocks_per_member *
+ array_blocks = blocks_per_member(map) *
used_disks;
/* round array size down to closest MB
*/
dmap[i] = 0;
if (i < info->array.raid_disks) {
struct imsm_disk *dsk;
- j = get_imsm_disk_idx(dev, i, -1);
+ j = get_imsm_disk_idx(dev, i, MAP_X);
dsk = get_imsm_disk(super, j);
if (dsk && (dsk->status & CONFIGURED_DISK))
dmap[i] = 1;
static int imsm_count_failed(struct intel_super *super, struct imsm_dev *dev,
int look_in_map);
+
+#ifndef MDASSEMBLE
static void manage_second_map(struct intel_super *super, struct imsm_dev *dev)
{
if (is_gen_migration(dev)) {
struct imsm_map *map2 = get_imsm_map(dev, MAP_1);
failed = imsm_count_failed(super, dev, MAP_1);
- map_state = imsm_check_degraded(super, dev, failed,
- MAP_1);
+ map_state = imsm_check_degraded(super, dev, failed, MAP_1);
if (map2->map_state != map_state) {
map2->map_state = map_state;
super->updates_pending++;
}
}
}
+#endif
static struct imsm_disk *get_imsm_missing(struct intel_super *super, __u8 index)
{
failed = imsm_count_failed(super, dev, MAP_0);
state = imsm_check_degraded(super, dev, failed, MAP_0);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
/* any newly missing disks?
* (catches single-degraded vs double-degraded)
*/
for (j = 0; j < map->num_members; j++) {
- __u32 ord = get_imsm_ord_tbl_ent(dev, j, 0);
+ __u32 ord = get_imsm_ord_tbl_ent(dev, j, MAP_0);
__u32 idx = ord_to_idx(ord);
if (!(ord & IMSM_ORD_REBUILD) &&
enough = 0;
else /* we're normal, or already degraded */
enough = 1;
-
+ if (is_gen_migration(dev) && missing) {
+ /* during general migration we need all disks
+ * that process is running on.
+ * No new missing disk is allowed.
+ */
+ max_enough = -1;
+ enough = -1;
+ /* no more checks necessary
+ */
+ break;
+ }
/* in the missing/failed disk case check to see
* if at least one array is runnable
*/
__u32 reserved = imsm_reserved_sectors(super, super->disks);
disk = &super->disks->disk;
- info->data_offset = __le32_to_cpu(disk->total_blocks) - reserved;
+ info->data_offset = total_blocks(&super->disks->disk) - reserved;
info->component_size = reserved;
info->disk.state = is_configured(disk) ? (1 << MD_DISK_ACTIVE) : 0;
/* we don't change info->disk.raid_disk here because
if (!super || !super->disks)
return NULL;
dl = super->disks;
- mddev = malloc(sizeof(*mddev));
- if (!mddev) {
- fprintf(stderr, Name ": Failed to allocate memory.\n");
- return NULL;
- }
- memset(mddev, 0, sizeof(*mddev));
+ mddev = xcalloc(1, sizeof(*mddev));
while (dl) {
struct mdinfo *tmp;
disk = &dl->disk;
- tmp = malloc(sizeof(*tmp));
- if (!tmp) {
- fprintf(stderr, Name ": Failed to allocate memory.\n");
- if (mddev)
- sysfs_free(mddev);
- return NULL;
- }
- memset(tmp, 0, sizeof(*tmp));
+ tmp = xcalloc(1, sizeof(*tmp));
if (mddev->devs)
tmp->next = mddev->devs;
mddev->devs = tmp;
mpb = super->anchor;
- if (strcmp(update, "uuid") == 0 && uuid_set && !info->update_private)
- rv = -1;
- else if (strcmp(update, "uuid") == 0 && uuid_set && info->update_private) {
- mpb->orig_family_num = *((__u32 *) info->update_private);
- rv = 0;
- } else if (strcmp(update, "uuid") == 0) {
- __u32 *new_family = malloc(sizeof(*new_family));
-
- /* update orig_family_number with the incoming random
- * data, report the new effective uuid, and store the
- * new orig_family_num for future updates.
+ if (strcmp(update, "uuid") == 0) {
+ /* We take this to mean that the family_num should be updated.
+ * However that is much smaller than the uuid so we cannot really
+ * allow an explicit uuid to be given. And it is hard to reliably
+ * know if one was.
+ * So if !uuid_set we know the current uuid is random and just used
+ * the first 'int' and copy it to the other 3 positions.
+ * Otherwise we require the 4 'int's to be the same as would be the
+ * case if we are using a random uuid. So an explicit uuid will be
+ * accepted as long as all for ints are the same... which shouldn't hurt
*/
- if (new_family) {
- memcpy(&mpb->orig_family_num, info->uuid, sizeof(__u32));
- uuid_from_super_imsm(st, info->uuid);
- *new_family = mpb->orig_family_num;
- info->update_private = new_family;
+ if (!uuid_set) {
+ info->uuid[1] = info->uuid[2] = info->uuid[3] = info->uuid[0];
rv = 0;
+ } else {
+ if (info->uuid[0] != info->uuid[1] ||
+ info->uuid[1] != info->uuid[2] ||
+ info->uuid[2] != info->uuid[3])
+ rv = -1;
+ else
+ rv = 0;
}
+ if (rv == 0)
+ mpb->orig_family_num = info->uuid[0];
} else if (strcmp(update, "assemble") == 0)
rv = 0;
else
* fails here we don't associate the spare
*/
for (i = 0; i < sec->anchor->num_raid_devs; i++) {
- dv = malloc(sizeof(*dv));
- if (!dv)
- break;
- dev = malloc(sizeof_imsm_dev(get_imsm_dev(sec, i), 1));
- if (!dev) {
- free(dv);
- break;
- }
+ dv = xmalloc(sizeof(*dv));
+ dev = xmalloc(sizeof_imsm_dev(get_imsm_dev(sec, i), 1));
dv->dev = dev;
dv->index = i;
dv->next = first->devlist;
rv = readlink(path, dname, sizeof(dname)-1);
if (rv <= 0)
return;
-
+
dname[rv] = '\0';
nm = strrchr(dname, '/');
if (nm) {
if (rv != 0) {
if (devname)
- fprintf(stderr,
- Name ": Failed to retrieve serial for %s\n",
- devname);
+ pr_err("Failed to retrieve serial for %s\n",
+ devname);
return rv;
}
rsp_len = scsi_serial[3];
if (!rsp_len) {
if (devname)
- fprintf(stderr,
- Name ": Failed to retrieve serial for %s\n",
- devname);
+ pr_err("Failed to retrieve serial for %s\n",
+ devname);
return 2;
}
rsp_buf = (char *) &scsi_serial[4];
if (rv != 0)
return 2;
- dl = calloc(1, sizeof(*dl));
- if (!dl) {
- if (devname)
- fprintf(stderr,
- Name ": failed to allocate disk buffer for %s\n",
- devname);
- return 2;
- }
+ dl = xcalloc(1, sizeof(*dl));
fstat(fd, &stb);
dl->major = major(stb.st_rdev);
dl->e = NULL;
fd2devname(fd, name);
if (devname)
- dl->devname = strdup(devname);
+ dl->devname = xstrdup(devname);
else
- dl->devname = strdup(name);
+ dl->devname = xstrdup(name);
/* look up this disk's index in the current anchor */
disk = __serial_to_disk(dl->serial, super->anchor, &dl->index);
__u8 to_state, int migr_type)
{
struct imsm_map *dest;
- struct imsm_map *src = get_imsm_map(dev, 0);
+ struct imsm_map *src = get_imsm_map(dev, MAP_0);
dev->vol.migr_state = 1;
set_migr_type(dev, migr_type);
dev->vol.curr_migr_unit = 0;
- dest = get_imsm_map(dev, 1);
+ dest = get_imsm_map(dev, MAP_1);
/* duplicate and then set the target end state in map[0] */
memcpy(dest, src, sizeof_imsm_map(src));
src->map_state = to_state;
}
-static void end_migration(struct imsm_dev *dev, __u8 map_state)
+static void end_migration(struct imsm_dev *dev, struct intel_super *super,
+ __u8 map_state)
{
- struct imsm_map *map = get_imsm_map(dev, 0);
- struct imsm_map *prev = get_imsm_map(dev, dev->vol.migr_state);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ struct imsm_map *prev = get_imsm_map(dev, dev->vol.migr_state == 0 ?
+ MAP_0 : MAP_1);
int i, j;
/* merge any IMSM_ORD_REBUILD bits that were not successfully
*
* FIXME add support for raid-level-migration
*/
- for (i = 0; i < prev->num_members; i++)
- for (j = 0; j < map->num_members; j++)
- /* during online capacity expansion
- * disks position can be changed if takeover is used
- */
- if (ord_to_idx(map->disk_ord_tbl[j]) ==
- ord_to_idx(prev->disk_ord_tbl[i])) {
- map->disk_ord_tbl[j] |= prev->disk_ord_tbl[i];
- break;
- }
+ if ((map_state != map->map_state) && (is_gen_migration(dev) == 0) &&
+ (prev->map_state != IMSM_T_STATE_UNINITIALIZED)) {
+ /* when final map state is other than expected
+ * merge maps (not for migration)
+ */
+ int failed;
+
+ for (i = 0; i < prev->num_members; i++)
+ for (j = 0; j < map->num_members; j++)
+ /* during online capacity expansion
+ * disks position can be changed
+ * if takeover is used
+ */
+ if (ord_to_idx(map->disk_ord_tbl[j]) ==
+ ord_to_idx(prev->disk_ord_tbl[i])) {
+ map->disk_ord_tbl[j] |=
+ prev->disk_ord_tbl[i];
+ break;
+ }
+ failed = imsm_count_failed(super, dev, MAP_0);
+ map_state = imsm_check_degraded(super, dev, failed, MAP_0);
+ }
dev->vol.migr_state = 0;
set_migr_type(dev, 0);
len_migr = sizeof_imsm_dev(dev_iter, 1);
if (len_migr > len)
space_needed += len_migr - len;
-
- dv = malloc(sizeof(*dv));
- if (!dv)
- return 1;
+
+ dv = xmalloc(sizeof(*dv));
if (max_len < len_migr)
max_len = len_migr;
if (max_len > len_migr)
space_needed += max_len - len_migr;
- dev_new = malloc(max_len);
- if (!dev_new) {
- free(dv);
- return 1;
- }
+ dev_new = xmalloc(max_len);
imsm_copy_dev(dev_new, dev_iter);
dv->dev = dev_new;
dv->index = i;
super->buf = buf;
super->len = len;
}
-
+
return 0;
}
dev_iter->vol.migr_state == 1 &&
dev_iter->vol.migr_type == MIGR_GEN_MIGR) {
/* This device is migrating */
- map0 = get_imsm_map(dev_iter, 0);
- map1 = get_imsm_map(dev_iter, 1);
- if (map0->pba_of_lba0 != map1->pba_of_lba0)
+ map0 = get_imsm_map(dev_iter, MAP_0);
+ map1 = get_imsm_map(dev_iter, MAP_1);
+ if (pba_of_lba0(map0) != pba_of_lba0(map1))
/* migration optimization area was used */
return -1;
if (migr_rec->ascending_migr == 0
get_dev_size(fd, NULL, &dsize);
if (dsize < 1024) {
if (devname)
- fprintf(stderr,
- Name ": %s: device to small for imsm\n",
- devname);
+ pr_err("%s: device to small for imsm\n",
+ devname);
return 1;
}
if (lseek64(fd, dsize - (512 * 2), SEEK_SET) < 0) {
if (devname)
- fprintf(stderr, Name
- ": Cannot seek to anchor block on %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot seek to anchor block on %s: %s\n",
+ devname, strerror(errno));
return 1;
}
if (posix_memalign((void**)&anchor, 512, 512) != 0) {
if (devname)
- fprintf(stderr,
- Name ": Failed to allocate imsm anchor buffer"
- " on %s\n", devname);
+ pr_err("Failed to allocate imsm anchor buffer"
+ " on %s\n", devname);
return 1;
}
if (read(fd, anchor, 512) != 512) {
if (devname)
- fprintf(stderr,
- Name ": Cannot read anchor block on %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot read anchor block on %s: %s\n",
+ devname, strerror(errno));
free(anchor);
return 1;
}
if (strncmp((char *) anchor->sig, MPB_SIGNATURE, MPB_SIG_LEN) != 0) {
if (devname)
- fprintf(stderr,
- Name ": no IMSM anchor on %s\n", devname);
+ pr_err("no IMSM anchor on %s\n", devname);
free(anchor);
return 2;
}
super->len = ROUND_UP(anchor->mpb_size, 512);
if (posix_memalign(&super->buf, 512, super->len) != 0) {
if (devname)
- fprintf(stderr,
- Name ": unable to allocate %zu byte mpb buffer\n",
- super->len);
+ pr_err("unable to allocate %zu byte mpb buffer\n",
+ super->len);
free(anchor);
return 2;
}
sectors = mpb_sectors(anchor) - 1;
free(anchor);
- if (posix_memalign(&super->migr_rec_buf, 512, 512) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate migr_rec buffer\n", __func__);
+ if (posix_memalign(&super->migr_rec_buf, 512, MIGR_REC_BUF_SIZE) != 0) {
+ pr_err("%s could not allocate migr_rec buffer\n", __func__);
free(super->buf);
return 2;
}
+ super->clean_migration_record_by_mdmon = 0;
if (!sectors) {
check_sum = __gen_imsm_checksum(super->anchor);
if (check_sum != __le32_to_cpu(super->anchor->check_sum)) {
if (devname)
- fprintf(stderr,
- Name ": IMSM checksum %x != %x on %s\n",
- check_sum,
- __le32_to_cpu(super->anchor->check_sum),
- devname);
+ pr_err("IMSM checksum %x != %x on %s\n",
+ check_sum,
+ __le32_to_cpu(super->anchor->check_sum),
+ devname);
return 2;
}
/* read the extended mpb */
if (lseek64(fd, dsize - (512 * (2 + sectors)), SEEK_SET) < 0) {
if (devname)
- fprintf(stderr,
- Name ": Cannot seek to extended mpb on %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot seek to extended mpb on %s: %s\n",
+ devname, strerror(errno));
return 1;
}
if ((unsigned)read(fd, super->buf + 512, super->len - 512) != super->len - 512) {
if (devname)
- fprintf(stderr,
- Name ": Cannot read extended mpb on %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot read extended mpb on %s: %s\n",
+ devname, strerror(errno));
return 2;
}
check_sum = __gen_imsm_checksum(super->anchor);
if (check_sum != __le32_to_cpu(super->anchor->check_sum)) {
if (devname)
- fprintf(stderr,
- Name ": IMSM checksum %x != %x on %s\n",
- check_sum, __le32_to_cpu(super->anchor->check_sum),
- devname);
+ pr_err("IMSM checksum %x != %x on %s\n",
+ check_sum, __le32_to_cpu(super->anchor->check_sum),
+ devname);
return 3;
}
static int read_imsm_migr_rec(int fd, struct intel_super *super);
+/* clears hi bits in metadata if MPB_ATTRIB_2TB_DISK not set */
+static void clear_hi(struct intel_super *super)
+{
+ struct imsm_super *mpb = super->anchor;
+ int i, n;
+ if (mpb->attributes & MPB_ATTRIB_2TB_DISK)
+ return;
+ for (i = 0; i < mpb->num_disks; ++i) {
+ struct imsm_disk *disk = &mpb->disk[i];
+ disk->total_blocks_hi = 0;
+ }
+ for (i = 0; i < mpb->num_raid_devs; ++i) {
+ struct imsm_dev *dev = get_imsm_dev(super, i);
+ if (!dev)
+ return;
+ for (n = 0; n < 2; ++n) {
+ struct imsm_map *map = get_imsm_map(dev, n);
+ if (!map)
+ continue;
+ map->pba_of_lba0_hi = 0;
+ map->blocks_per_member_hi = 0;
+ map->num_data_stripes_hi = 0;
+ }
+ }
+}
+
static int
load_and_parse_mpb(int fd, struct intel_super *super, char *devname, int keep_fd)
{
if (err)
return err;
err = parse_raid_devices(super);
-
+ clear_hi(super);
return err;
}
static struct intel_super *alloc_super(void)
{
- struct intel_super *super = malloc(sizeof(*super));
+ struct intel_super *super = xcalloc(1, sizeof(*super));
- if (super) {
- memset(super, 0, sizeof(*super));
- super->current_vol = -1;
- super->create_offset = ~((__u32 ) 0);
- }
+ super->current_vol = -1;
+ super->create_offset = ~((unsigned long long) 0);
return super;
}
hba_name = find_disk_attached_hba(fd, NULL);
if (!hba_name) {
if (devname)
- fprintf(stderr,
- Name ": %s is not attached to Intel(R) RAID controller.\n",
- devname);
+ pr_err("%s is not attached to Intel(R) RAID controller.\n",
+ devname);
return 1;
}
rv = attach_hba_to_super(super, hba_name);
if (devname) {
struct intel_hba *hba = super->hba;
- fprintf(stderr, Name ": %s is attached to Intel(R) %s RAID "
+ pr_err("%s is attached to Intel(R) %s RAID "
"controller (%s),\n"
" but the container is assigned to Intel(R) "
"%s RAID controller (",
if (dl)
continue;
- dl = malloc(sizeof(*dl));
- if (!dl)
- return 1;
+ dl = xmalloc(sizeof(*dl));
dl->major = 0;
dl->minor = 0;
dl->fd = -1;
- dl->devname = strdup("missing");
+ dl->devname = xstrdup("missing");
dl->index = i;
serialcpy(dl->serial, disk->serial);
dl->disk = *disk;
is_failed(&idisk->disk))
idisk->disk.status &= ~(SPARE_DISK);
} else {
- idisk = calloc(1, sizeof(*idisk));
- if (!idisk)
- return -1;
+ idisk = xcalloc(1, sizeof(*idisk));
idisk->owner = IMSM_UNKNOWN_OWNER;
idisk->disk = *disk;
idisk->next = *disk_list;
if (s == champion)
continue;
+ mpb->attributes |= s->anchor->attributes & MPB_ATTRIB_2TB_DISK;
+
for (i = 0; i < mpb->num_disks; i++) {
struct imsm_disk *disk;
return champion;
}
+
+static int
+get_sra_super_block(int fd, struct intel_super **super_list, char *devname, int *max, int keep_fd);
+static int get_super_block(struct intel_super **super_list, int devnum, char *devname,
+ int major, int minor, int keep_fd);
+static int
+get_devlist_super_block(struct md_list *devlist, struct intel_super **super_list,
+ int *max, int keep_fd);
+
+
static int load_super_imsm_all(struct supertype *st, int fd, void **sbp,
- char *devname)
+ char *devname, struct md_list *devlist,
+ int keep_fd)
{
- struct mdinfo *sra;
struct intel_super *super_list = NULL;
struct intel_super *super = NULL;
- int devnum = fd2devnum(fd);
- struct mdinfo *sd;
- int retry;
int err = 0;
- int i;
-
- /* check if 'fd' an opened container */
- sra = sysfs_read(fd, 0, GET_LEVEL|GET_VERSION|GET_DEVS|GET_STATE);
- if (!sra)
- return 1;
+ int i = 0;
- if (sra->array.major_version != -1 ||
- sra->array.minor_version != -2 ||
- strcmp(sra->text_version, "imsm") != 0) {
- err = 1;
+ if (fd >= 0)
+ /* 'fd' is an opened container */
+ err = get_sra_super_block(fd, &super_list, devname, &i, keep_fd);
+ else
+ /* get super block from devlist devices */
+ err = get_devlist_super_block(devlist, &super_list, &i, keep_fd);
+ if (err)
goto error;
- }
- /* load all mpbs */
- for (sd = sra->devs, i = 0; sd; sd = sd->next, i++) {
- struct intel_super *s = alloc_super();
- char nm[32];
- int dfd;
- int rv;
-
- err = 1;
- if (!s)
- goto error;
- s->next = super_list;
- super_list = s;
-
- err = 2;
- sprintf(nm, "%d:%d", sd->disk.major, sd->disk.minor);
- dfd = dev_open(nm, O_RDWR);
- if (dfd < 0)
- goto error;
-
- rv = find_intel_hba_capability(dfd, s, devname);
- /* no orom/efi or non-intel hba of the disk */
- if (rv != 0)
- goto error;
-
- err = load_and_parse_mpb(dfd, s, NULL, 1);
-
- /* retry the load if we might have raced against mdmon */
- if (err == 3 && mdmon_running(devnum))
- for (retry = 0; retry < 3; retry++) {
- usleep(3000);
- err = load_and_parse_mpb(dfd, s, NULL, 1);
- if (err != 3)
- break;
- }
- if (err)
- goto error;
- }
-
/* all mpbs enter, maybe one leaves */
super = imsm_thunderdome(&super_list, i);
if (!super) {
/* load migration record */
err = load_imsm_migr_rec(super, NULL);
- if (err) {
+ if (err == -1) {
+ /* migration is in progress,
+ * but migr_rec cannot be loaded,
+ */
err = 4;
goto error;
}
/* Check migration compatibility */
- if (check_mpb_migr_compatibility(super) != 0) {
- fprintf(stderr, Name ": Unsupported migration detected");
+ if ((err == 0) && (check_mpb_migr_compatibility(super) != 0)) {
+ pr_err("Unsupported migration detected");
if (devname)
fprintf(stderr, " on %s\n", devname);
else
super_list = super_list->next;
free_imsm(s);
}
- sysfs_free(sra);
+
if (err)
return err;
*sbp = super;
- st->container_dev = devnum;
- if (err == 0 && st->ss == NULL) {
+ if (fd >= 0)
+ st->container_dev = fd2devnum(fd);
+ else
+ st->container_dev = NoMdDev;
+ if (err == 0 && st->ss == NULL) {
st->ss = &super_imsm;
st->minor_version = 0;
st->max_devs = IMSM_MAX_DEVICES;
return 0;
}
+
+static int
+get_devlist_super_block(struct md_list *devlist, struct intel_super **super_list,
+ int *max, int keep_fd)
+{
+ struct md_list *tmpdev;
+ int err = 0;
+ int i = 0;
+
+ for (i = 0, tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ if (tmpdev->used != 1)
+ continue;
+ if (tmpdev->container == 1) {
+ int lmax = 0;
+ int fd = dev_open(tmpdev->devname, O_RDONLY|O_EXCL);
+ if (fd < 0) {
+ pr_err("cannot open device %s: %s\n",
+ tmpdev->devname, strerror(errno));
+ err = 8;
+ goto error;
+ }
+ err = get_sra_super_block(fd, super_list,
+ tmpdev->devname, &lmax,
+ keep_fd);
+ i += lmax;
+ close(fd);
+ if (err) {
+ err = 7;
+ goto error;
+ }
+ } else {
+ int major = major(tmpdev->st_rdev);
+ int minor = minor(tmpdev->st_rdev);
+ err = get_super_block(super_list,
+ -1,
+ tmpdev->devname,
+ major, minor,
+ keep_fd);
+ i++;
+ if (err) {
+ err = 6;
+ goto error;
+ }
+ }
+ }
+ error:
+ *max = i;
+ return err;
+}
+
+static int get_super_block(struct intel_super **super_list, int devnum, char *devname,
+ int major, int minor, int keep_fd)
+{
+ struct intel_super*s = NULL;
+ char nm[32];
+ int dfd = -1;
+ int rv;
+ int err = 0;
+ int retry;
+
+ s = alloc_super();
+ if (!s) {
+ err = 1;
+ goto error;
+ }
+
+ sprintf(nm, "%d:%d", major, minor);
+ dfd = dev_open(nm, O_RDWR);
+ if (dfd < 0) {
+ err = 2;
+ goto error;
+ }
+
+ rv = find_intel_hba_capability(dfd, s, devname);
+ /* no orom/efi or non-intel hba of the disk */
+ if (rv != 0) {
+ err = 4;
+ goto error;
+ }
+
+ err = load_and_parse_mpb(dfd, s, NULL, keep_fd);
+
+ /* retry the load if we might have raced against mdmon */
+ if (err == 3 && (devnum != -1) && mdmon_running(devnum))
+ for (retry = 0; retry < 3; retry++) {
+ usleep(3000);
+ err = load_and_parse_mpb(dfd, s, NULL, keep_fd);
+ if (err != 3)
+ break;
+ }
+ error:
+ if (!err) {
+ s->next = *super_list;
+ *super_list = s;
+ } else {
+ if (s)
+ free(s);
+ if (dfd >= 0)
+ close(dfd);
+ }
+ if ((dfd >= 0) && (!keep_fd))
+ close(dfd);
+ return err;
+
+}
+
+static int
+get_sra_super_block(int fd, struct intel_super **super_list, char *devname, int *max, int keep_fd)
+{
+ struct mdinfo *sra;
+ int devnum;
+ struct mdinfo *sd;
+ int err = 0;
+ int i = 0;
+ sra = sysfs_read(fd, 0, GET_LEVEL|GET_VERSION|GET_DEVS|GET_STATE);
+ if (!sra)
+ return 1;
+
+ if (sra->array.major_version != -1 ||
+ sra->array.minor_version != -2 ||
+ strcmp(sra->text_version, "imsm") != 0) {
+ err = 1;
+ goto error;
+ }
+ /* load all mpbs */
+ devnum = fd2devnum(fd);
+ for (sd = sra->devs, i = 0; sd; sd = sd->next, i++) {
+ if (get_super_block(super_list, devnum, devname,
+ sd->disk.major, sd->disk.minor, keep_fd) != 0) {
+ err = 7;
+ goto error;
+ }
+ }
+ error:
+ sysfs_free(sra);
+ *max = i;
+ return err;
+}
+
static int load_container_imsm(struct supertype *st, int fd, char *devname)
{
- return load_super_imsm_all(st, fd, &st->sb, devname);
+ return load_super_imsm_all(st, fd, &st->sb, devname, NULL, 1);
}
#endif
free_super_imsm(st);
super = alloc_super();
- if (!super) {
- fprintf(stderr,
- Name ": malloc of %zu failed.\n",
- sizeof(*super));
- return 1;
- }
/* Load hba and capabilities if they exist.
* But do not preclude loading metadata in case capabilities or hba are
* non-compliant and ignore_hw_compat is set.
/* no orom/efi or non-intel hba of the disk */
if ((rv != 0) && (st->ignore_hw_compat == 0)) {
if (devname)
- fprintf(stderr,
- Name ": No OROM/EFI properties for %s\n", devname);
+ pr_err("No OROM/EFI properties for %s\n", devname);
free_imsm(super);
return 2;
}
if (rv) {
if (devname)
- fprintf(stderr,
- Name ": Failed to load all information "
- "sections on %s\n", devname);
+ pr_err("Failed to load all information "
+ "sections on %s\n", devname);
free_imsm(super);
return rv;
}
if (load_imsm_migr_rec(super, NULL) == 0) {
/* Check for unsupported migration features */
if (check_mpb_migr_compatibility(super) != 0) {
- fprintf(stderr,
- Name ": Unsupported migration detected");
+ pr_err("Unsupported migration detected");
if (devname)
fprintf(stderr, " on %s\n", devname);
else
return info->chunk_size >> 9;
}
-static __u32 info_to_num_data_stripes(mdu_array_info_t *info, int num_domains)
-{
- __u32 num_stripes;
-
- num_stripes = (info->size * 2) / info_to_blocks_per_strip(info);
- num_stripes /= num_domains;
-
- return num_stripes;
-}
-
-static __u32 info_to_blocks_per_member(mdu_array_info_t *info)
+static unsigned long long info_to_blocks_per_member(mdu_array_info_t *info,
+ unsigned long long size)
{
if (info->level == 1)
- return info->size * 2;
+ return size * 2;
else
- return (info->size * 2) & ~(info_to_blocks_per_strip(info) - 1);
+ return (size * 2) & ~(info_to_blocks_per_strip(info) - 1);
}
static void imsm_update_version_info(struct intel_super *super)
for (i = 0; i < mpb->num_raid_devs; i++) {
dev = get_imsm_dev(super, i);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
if (__le32_to_cpu(dev->size_high) > 0)
mpb->attributes |= MPB_ATTRIB_2TB;
}
if (reason && !quiet)
- fprintf(stderr, Name ": imsm volume name %s\n", reason);
+ pr_err("imsm volume name %s\n", reason);
return !reason;
}
int i;
unsigned long long array_blocks;
size_t size_old, size_new;
- __u32 num_data_stripes;
+ unsigned long long num_data_stripes;
if (super->orom && mpb->num_raid_devs >= super->orom->vpa) {
- fprintf(stderr, Name": This imsm-container already has the "
+ pr_err("This imsm-container already has the "
"maximum of %d volumes\n", super->orom->vpa);
return 0;
}
size_t size_round = ROUND_UP(size_new, 512);
if (posix_memalign(&mpb_new, 512, size_round) != 0) {
- fprintf(stderr, Name": could not allocate new mpb\n");
+ pr_err("could not allocate new mpb\n");
return 0;
}
- if (posix_memalign(&super->migr_rec_buf, 512, 512) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate migr_rec buffer\n",
- __func__);
+ if (posix_memalign(&super->migr_rec_buf, 512,
+ MIGR_REC_BUF_SIZE) != 0) {
+ pr_err("%s could not allocate migr_rec buffer\n",
+ __func__);
free(super->buf);
free(super);
free(mpb_new);
for (d = super->missing; d; d = d->next)
missing++;
if (info->failed_disks > missing) {
- fprintf(stderr, Name": unable to add 'missing' disk to container\n");
+ pr_err("unable to add 'missing' disk to container\n");
return 0;
}
}
if (!check_name(super, name, 0))
return 0;
- dv = malloc(sizeof(*dv));
- if (!dv) {
- fprintf(stderr, Name ": failed to allocate device list entry\n");
- return 0;
- }
- dev = calloc(1, sizeof(*dev) + sizeof(__u32) * (info->raid_disks - 1));
- if (!dev) {
- free(dv);
- fprintf(stderr, Name": could not allocate raid device\n");
- return 0;
- }
-
+ dv = xmalloc(sizeof(*dv));
+ dev = xcalloc(1, sizeof(*dev) + sizeof(__u32) * (info->raid_disks - 1));
strncpy((char *) dev->volume, name, MAX_RAID_SERIAL_LEN);
- if (info->level == 1)
- array_blocks = info_to_blocks_per_member(info);
- else
- array_blocks = calc_array_size(info->level, info->raid_disks,
+ array_blocks = calc_array_size(info->level, info->raid_disks,
info->layout, info->chunk_size,
- info->size*2);
+ size * 2);
/* round array size down to closest MB */
array_blocks = (array_blocks >> SECT_PER_MB_SHIFT) << SECT_PER_MB_SHIFT;
set_migr_type(dev, MIGR_INIT);
vol->dirty = !info->state;
vol->curr_migr_unit = 0;
- map = get_imsm_map(dev, 0);
- map->pba_of_lba0 = __cpu_to_le32(super->create_offset);
- map->blocks_per_member = __cpu_to_le32(info_to_blocks_per_member(info));
+ map = get_imsm_map(dev, MAP_0);
+ set_pba_of_lba0(map, super->create_offset);
+ set_blocks_per_member(map, info_to_blocks_per_member(info, size));
map->blocks_per_strip = __cpu_to_le16(info_to_blocks_per_strip(info));
map->failed_disk_num = ~0;
if (info->level > 0)
if (info->level == 1 && info->raid_disks > 2) {
free(dev);
free(dv);
- fprintf(stderr, Name": imsm does not support more than 2 disks"
+ pr_err("imsm does not support more than 2 disks"
"in a raid1 volume\n");
return 0;
}
else
map->num_domains = 1;
- num_data_stripes = info_to_num_data_stripes(info, map->num_domains);
- map->num_data_stripes = __cpu_to_le32(num_data_stripes);
+ /* info->size is only int so use the 'size' parameter instead */
+ num_data_stripes = (size * 2) / info_to_blocks_per_strip(info);
+ num_data_stripes /= map->num_domains;
+ set_num_data_stripes(map, num_data_stripes);
map->num_members = info->raid_disks;
for (i = 0; i < map->num_members; i++) {
super = NULL;
}
if (!super) {
- fprintf(stderr, Name
- ": %s could not allocate superblock\n", __func__);
+ pr_err("%s could not allocate superblock\n", __func__);
return 0;
}
- if (posix_memalign(&super->migr_rec_buf, 512, 512) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate migr_rec buffer\n", __func__);
+ if (posix_memalign(&super->migr_rec_buf, 512, MIGR_REC_BUF_SIZE) != 0) {
+ pr_err("%s could not allocate migr_rec buffer\n", __func__);
free(super->buf);
free(super);
return 0;
int slot;
dev = get_imsm_dev(super, super->current_vol);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
if (! (dk->state & (1<<MD_DISK_SYNC))) {
- fprintf(stderr, Name ": %s: Cannot add spare devices to IMSM volume\n",
+ pr_err("%s: Cannot add spare devices to IMSM volume\n",
devname);
return 1;
}
}
if (!dl) {
- fprintf(stderr, Name ": %s is not a member of the same container\n", devname);
+ pr_err("%s is not a member of the same container\n", devname);
return 1;
}
/* Check the device has not already been added */
slot = get_imsm_disk_slot(map, dl->index);
if (slot >= 0 &&
- (get_imsm_ord_tbl_ent(dev, slot, -1) & IMSM_ORD_REBUILD) == 0) {
- fprintf(stderr, Name ": %s has been included in this array twice\n",
+ (get_imsm_ord_tbl_ent(dev, slot, MAP_X) & IMSM_ORD_REBUILD) == 0) {
+ pr_err("%s has been included in this array twice\n",
devname);
return 1;
}
*/
if (super->current_vol == 0) {
for (df = super->missing; df; df = df->next) {
- if (dl->disk.total_blocks > df->disk.total_blocks)
- df->disk.total_blocks = dl->disk.total_blocks;
+ if (total_blocks(&dl->disk) > total_blocks(&df->disk))
+ set_total_blocks(&df->disk, total_blocks(&dl->disk));
_disk = __get_imsm_disk(mpb, df->index);
*_disk = df->disk;
}
/* refresh unset/failed slots to point to valid 'missing' entries */
for (df = super->missing; df; df = df->next)
for (slot = 0; slot < mpb->num_disks; slot++) {
- __u32 ord = get_imsm_ord_tbl_ent(dev, slot, -1);
+ __u32 ord = get_imsm_ord_tbl_ent(dev, slot, MAP_X);
if ((ord & IMSM_ORD_REBUILD) == 0)
continue;
set_imsm_ord_tbl_ent(map, slot, df->index | IMSM_ORD_REBUILD);
if (is_gen_migration(dev)) {
- struct imsm_map *map2 = get_imsm_map(dev, 1);
- if (slot < map2->num_members) {
+ struct imsm_map *map2 = get_imsm_map(dev,
+ MAP_1);
+ int slot2 = get_imsm_disk_slot(map2, df->index);
+ if ((slot2 < map2->num_members) &&
+ (slot2 >= 0)) {
__u32 ord2 = get_imsm_ord_tbl_ent(dev,
- slot,
- 1);
+ slot2,
+ MAP_1);
if ((unsigned)df->index ==
ord_to_idx(ord2))
set_imsm_ord_tbl_ent(map2,
- slot,
+ slot2,
df->index |
IMSM_ORD_REBUILD);
}
_disk = __get_imsm_disk(mpb, dl->index);
if (!_dev || !_disk) {
- fprintf(stderr, Name ": BUG mpb setup error\n");
+ pr_err("BUG mpb setup error\n");
return 1;
}
*_dev = *dev;
return add_to_super_imsm_volume(st, dk, fd, devname);
fstat(fd, &stb);
- dd = malloc(sizeof(*dd));
- if (!dd) {
- fprintf(stderr,
- Name ": malloc failed %s:%d.\n", __func__, __LINE__);
- return 1;
- }
- memset(dd, 0, sizeof(*dd));
+ dd = xcalloc(sizeof(*dd), 1);
dd->major = major(stb.st_rdev);
dd->minor = minor(stb.st_rdev);
- dd->devname = devname ? strdup(devname) : NULL;
+ dd->devname = devname ? xstrdup(devname) : NULL;
dd->fd = fd;
dd->e = NULL;
dd->action = DISK_ADD;
rv = imsm_read_serial(fd, devname, dd->serial);
if (rv) {
- fprintf(stderr,
- Name ": failed to retrieve scsi serial, aborting\n");
+ pr_err("failed to retrieve scsi serial, aborting\n");
free(dd);
abort();
}
get_dev_size(fd, NULL, &size);
size /= 512;
serialcpy(dd->disk.serial, dd->serial);
- dd->disk.total_blocks = __cpu_to_le32(size);
+ set_total_blocks(&dd->disk, size);
+ if (__le32_to_cpu(dd->disk.total_blocks_hi) > 0) {
+ struct imsm_super *mpb = super->anchor;
+ mpb->attributes |= MPB_ATTRIB_2TB_DISK;
+ }
mark_spare(dd);
if (sysfs_disk_to_scsi_id(fd, &id) == 0)
dd->disk.scsi_id = __cpu_to_le32(id);
* is prepared.
*/
if (!st->update_tail) {
- fprintf(stderr,
- Name ": %s shall be used in mdmon context only"
- "(line %d).\n", __func__, __LINE__);
+ pr_err("%s shall be used in mdmon context only"
+ "(line %d).\n", __func__, __LINE__);
return 1;
}
- dd = malloc(sizeof(*dd));
- if (!dd) {
- fprintf(stderr,
- Name ": malloc failed %s:%d.\n", __func__, __LINE__);
- return 1;
- }
- memset(dd, 0, sizeof(*dd));
+ dd = xcalloc(1, sizeof(*dd));
dd->major = dk->major;
dd->minor = dk->minor;
dd->fd = -1;
continue;
spare->disk[0] = d->disk;
+ if (__le32_to_cpu(d->disk.total_blocks_hi) > 0)
+ spare->attributes |= MPB_ATTRIB_2TB_DISK;
+
sum = __gen_imsm_checksum(spare);
spare->family_num = __cpu_to_le32(sum);
spare->orig_family_num = 0;
sum = __gen_imsm_checksum(mpb);
mpb->check_sum = __cpu_to_le32(sum);
+ if (super->clean_migration_record_by_mdmon) {
+ clear_migration_record = 1;
+ super->clean_migration_record_by_mdmon = 0;
+ }
if (clear_migration_record)
- memset(super->migr_rec_buf, 0, 512);
+ memset(super->migr_rec_buf, 0, MIGR_REC_BUF_SIZE);
/* write the mpb for disks that compose raid devices */
for (d = super->disks; d ; d = d->next) {
if (d->index < 0 || is_failed(&d->disk))
continue;
- if (store_imsm_mpb(d->fd, mpb))
- fprintf(stderr, "%s: failed for device %d:%d %s\n",
- __func__, d->major, d->minor, strerror(errno));
+
if (clear_migration_record) {
unsigned long long dsize;
get_dev_size(d->fd, NULL, &dsize);
if (lseek64(d->fd, dsize - 512, SEEK_SET) >= 0) {
- if (write(d->fd, super->migr_rec_buf, 512) != 512)
+ if (write(d->fd, super->migr_rec_buf,
+ MIGR_REC_BUF_SIZE) != MIGR_REC_BUF_SIZE)
perror("Write migr_rec failed");
}
}
+
+ if (store_imsm_mpb(d->fd, mpb))
+ fprintf(stderr,
+ "%s: failed for device %d:%d (fd: %d)%s\n",
+ __func__, d->major, d->minor,
+ d->fd, strerror(errno));
+
if (doclose) {
close(d->fd);
d->fd = -1;
struct imsm_update_create_array *u;
struct intel_super *super = st->sb;
struct imsm_dev *dev = get_imsm_dev(super, dev_idx);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
struct disk_info *inf;
struct imsm_disk *disk;
int i;
len = sizeof(*u) - sizeof(*dev) + sizeof_imsm_dev(dev, 0) +
sizeof(*inf) * map->num_members;
- u = malloc(len);
- if (!u) {
- fprintf(stderr, "%s: failed to allocate update buffer\n",
- __func__);
- return 1;
- }
-
+ u = xmalloc(len);
u->type = update_create_array;
u->dev_idx = dev_idx;
imsm_copy_dev(&u->dev, dev);
inf = get_disk_info(u);
for (i = 0; i < map->num_members; i++) {
- int idx = get_imsm_disk_idx(dev, i, -1);
+ int idx = get_imsm_disk_idx(dev, i, MAP_X);
disk = get_imsm_disk(super, idx);
serialcpy(inf[i].serial, disk->serial);
return 0;
len = sizeof(*u);
- u = malloc(len);
- if (!u) {
- fprintf(stderr, "%s: failed to allocate update buffer\n",
- __func__);
- return 1;
- }
-
+ u = xmalloc(len);
u->type = update_add_remove_disk;
append_metadata_update(st, u, len);
fd = open(dev, O_RDONLY|O_EXCL, 0);
if (fd < 0) {
if (verbose)
- fprintf(stderr, Name ": imsm: Cannot open %s: %s\n",
+ pr_err("imsm: Cannot open %s: %s\n",
dev, strerror(errno));
return 0;
}
* note that there is no fd for the disks in array.
*/
super = alloc_super();
- if (!super) {
- fprintf(stderr,
- Name ": malloc of %zu failed.\n",
- sizeof(*super));
- close(fd);
- return 0;
- }
-
rv = find_intel_hba_capability(fd, super, verbose ? dev : NULL);
if (rv != 0) {
#if DEBUG
return 0;
}
close(fd);
- if (super->orom && raiddisks > super->orom->tds) {
- if (verbose)
- fprintf(stderr, Name ": %d exceeds maximum number of"
- " platform supported disks: %d\n",
- raiddisks, super->orom->tds);
-
- free_imsm(super);
- return 0;
+ if (super->orom) {
+ if (raiddisks > super->orom->tds) {
+ if (verbose)
+ pr_err("%d exceeds maximum number of"
+ " platform supported disks: %d\n",
+ raiddisks, super->orom->tds);
+ free_imsm(super);
+ return 0;
+ }
+ if ((super->orom->attr & IMSM_OROM_ATTR_2TB_DISK) == 0 &&
+ (ldsize >> 9) >> 32 > 0) {
+ if (verbose)
+ pr_err("%s exceeds maximum platform supported size\n", dev);
+ free_imsm(super);
+ return 0;
+ }
}
*freesize = avail_size_imsm(st, ldsize >> 9);
* 'maxsize' given the "all disks in an array must share a common start
* offset" constraint
*/
- struct extent *e = calloc(sum_extents, sizeof(*e));
+ struct extent *e = xcalloc(sum_extents, sizeof(*e));
struct dl *dl;
int i, j;
int start_extent;
unsigned long long maxsize;
unsigned long reserve;
- if (!e)
- return 0;
-
/* coalesce and sort all extents. also, check to see if we need to
* reserve space between member arrays
*/
if (maxsize < reserve)
return 0;
- super->create_offset = ~((__u32) 0);
+ super->create_offset = ~((unsigned long long) 0);
if (start + reserve > super->create_offset)
return 0; /* start overflows create_offset */
super->create_offset = start + reserve;
return 0;
}
+
+static int
+active_arrays_by_format(char *name, char* hba, struct md_list **devlist,
+ int dpa, int verbose)
+{
+ struct mdstat_ent *mdstat = mdstat_read(0, 0);
+ struct mdstat_ent *memb = NULL;
+ int count = 0;
+ int num = 0;
+ struct md_list *dv = NULL;
+ int found;
+
+ for (memb = mdstat ; memb ; memb = memb->next) {
+ if (memb->metadata_version &&
+ (strncmp(memb->metadata_version, "external:", 9) == 0) &&
+ (strcmp(&memb->metadata_version[9], name) == 0) &&
+ !is_subarray(memb->metadata_version+9) &&
+ memb->members) {
+ struct dev_member *dev = memb->members;
+ int fd = -1;
+ while(dev && (fd < 0)) {
+ char *path = xmalloc(strlen(dev->name) + strlen("/dev/") + 1);
+ num = sprintf(path, "%s%s", "/dev/", dev->name);
+ if (num > 0)
+ fd = open(path, O_RDONLY, 0);
+ if ((num <= 0) || (fd < 0)) {
+ pr_vrb(": Cannot open %s: %s\n",
+ dev->name, strerror(errno));
+ }
+ free(path);
+ dev = dev->next;
+ }
+ found = 0;
+ if ((fd >= 0) && disk_attached_to_hba(fd, hba)) {
+ struct mdstat_ent *vol;
+ for (vol = mdstat ; vol ; vol = vol->next) {
+ if ((vol->active > 0) &&
+ vol->metadata_version &&
+ is_container_member(vol, memb->dev)) {
+ found++;
+ count++;
+ }
+ }
+ if (*devlist && (found < dpa)) {
+ dv = xcalloc(1, sizeof(*dv));
+ dv->devname = xmalloc(strlen(memb->dev) + strlen("/dev/") + 1);
+ sprintf(dv->devname, "%s%s", "/dev/", memb->dev);
+ dv->found = found;
+ dv->used = 0;
+ dv->next = *devlist;
+ *devlist = dv;
+ }
+ }
+ if (fd >= 0)
+ close(fd);
+ }
+ }
+ free_mdstat(mdstat);
+ return count;
+}
+
+#ifdef DEBUG_LOOP
+static struct md_list*
+get_loop_devices(void)
+{
+ int i;
+ struct md_list *devlist = NULL;
+ struct md_list *dv = NULL;
+
+ for(i = 0; i < 12; i++) {
+ dv = xcalloc(1, sizeof(*dv));
+ dv->devname = xmalloc(40);
+ sprintf(dv->devname, "/dev/loop%d", i);
+ dv->next = devlist;
+ devlist = dv;
+ }
+ return devlist;
+}
+#endif
+
+static struct md_list*
+get_devices(const char *hba_path)
+{
+ struct md_list *devlist = NULL;
+ struct md_list *dv = NULL;
+ struct dirent *ent;
+ DIR *dir;
+ int err = 0;
+
+#if DEBUG_LOOP
+ devlist = get_loop_devices();
+ return devlist;
+#endif
+ /* scroll through /sys/dev/block looking for devices attached to
+ * this hba
+ */
+ dir = opendir("/sys/dev/block");
+ for (ent = dir ? readdir(dir) : NULL; ent; ent = readdir(dir)) {
+ int fd;
+ char buf[1024];
+ int major, minor;
+ char *path = NULL;
+ if (sscanf(ent->d_name, "%d:%d", &major, &minor) != 2)
+ continue;
+ path = devt_to_devpath(makedev(major, minor));
+ if (!path)
+ continue;
+ if (!path_attached_to_hba(path, hba_path)) {
+ free(path);
+ path = NULL;
+ continue;
+ }
+ free(path);
+ path = NULL;
+ fd = dev_open(ent->d_name, O_RDONLY);
+ if (fd >= 0) {
+ fd2devname(fd, buf);
+ close(fd);
+ } else {
+ pr_err("cannot open device: %s\n",
+ ent->d_name);
+ continue;
+ }
+
+
+ dv = xcalloc(1, sizeof(*dv));
+ dv->devname = xstrdup(buf);
+ dv->next = devlist;
+ devlist = dv;
+ }
+ if (err) {
+ while(devlist) {
+ dv = devlist;
+ devlist = devlist->next;
+ free(dv->devname);
+ free(dv);
+ }
+ }
+ closedir(dir);
+ return devlist;
+}
+
+static int
+count_volumes_list(struct md_list *devlist, char *homehost,
+ int verbose, int *found)
+{
+ struct md_list *tmpdev;
+ int count = 0;
+ struct supertype *st = NULL;
+
+ /* first walk the list of devices to find a consistent set
+ * that match the criterea, if that is possible.
+ * We flag the ones we like with 'used'.
+ */
+ *found = 0;
+ st = match_metadata_desc_imsm("imsm");
+ if (st == NULL) {
+ pr_vrb(": cannot allocate memory for imsm supertype\n");
+ return 0;
+ }
+
+ for (tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ char *devname = tmpdev->devname;
+ struct stat stb;
+ struct supertype *tst;
+ int dfd;
+ if (tmpdev->used > 1)
+ continue;
+ tst = dup_super(st);
+ if (tst == NULL) {
+ pr_vrb(": cannot allocate memory for imsm supertype\n");
+ goto err_1;
+ }
+ tmpdev->container = 0;
+ dfd = dev_open(devname, O_RDONLY|O_EXCL);
+ if (dfd < 0) {
+ dprintf(": cannot open device %s: %s\n",
+ devname, strerror(errno));
+ tmpdev->used = 2;
+ } else if (fstat(dfd, &stb)< 0) {
+ /* Impossible! */
+ dprintf(": fstat failed for %s: %s\n",
+ devname, strerror(errno));
+ tmpdev->used = 2;
+ } else if ((stb.st_mode & S_IFMT) != S_IFBLK) {
+ dprintf(": %s is not a block device.\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (must_be_container(dfd)) {
+ struct supertype *cst;
+ cst = super_by_fd(dfd, NULL);
+ if (cst == NULL) {
+ dprintf(": cannot recognize container type %s\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (tst->ss != st->ss) {
+ dprintf(": non-imsm container - ignore it: %s\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (!tst->ss->load_container ||
+ tst->ss->load_container(tst, dfd, NULL))
+ tmpdev->used = 2;
+ else {
+ tmpdev->container = 1;
+ }
+ if (cst)
+ cst->ss->free_super(cst);
+ } else {
+ tmpdev->st_rdev = stb.st_rdev;
+ if (tst->ss->load_super(tst,dfd, NULL)) {
+ dprintf(": no RAID superblock on %s\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (tst->ss->compare_super == NULL) {
+ dprintf(": Cannot assemble %s metadata on %s\n",
+ tst->ss->name, devname);
+ tmpdev->used = 2;
+ }
+ }
+ if (dfd >= 0)
+ close(dfd);
+ if (tmpdev->used == 2 || tmpdev->used == 4) {
+ /* Ignore unrecognised devices during auto-assembly */
+ goto loop;
+ }
+ else {
+ struct mdinfo info;
+ tst->ss->getinfo_super(tst, &info, NULL);
+
+ if (st->minor_version == -1)
+ st->minor_version = tst->minor_version;
+
+ if (memcmp(info.uuid, uuid_zero,
+ sizeof(int[4])) == 0) {
+ /* this is a floating spare. It cannot define
+ * an array unless there are no more arrays of
+ * this type to be found. It can be included
+ * in an array of this type though.
+ */
+ tmpdev->used = 3;
+ goto loop;
+ }
+
+ if (st->ss != tst->ss ||
+ st->minor_version != tst->minor_version ||
+ st->ss->compare_super(st, tst) != 0) {
+ /* Some mismatch. If exactly one array matches this host,
+ * we can resolve on that one.
+ * Or, if we are auto assembling, we just ignore the second
+ * for now.
+ */
+ dprintf(": superblock on %s doesn't match others - assembly aborted\n",
+ devname);
+ goto loop;
+ }
+ tmpdev->used = 1;
+ *found = 1;
+ dprintf("found: devname: %s\n", devname);
+ }
+ loop:
+ if (tst)
+ tst->ss->free_super(tst);
+ }
+ if (*found != 0) {
+ int err;
+ if ((err = load_super_imsm_all(st, -1, &st->sb, NULL, devlist, 0)) == 0) {
+ struct mdinfo *iter, *head = st->ss->container_content(st, NULL);
+ for (iter = head; iter; iter = iter->next) {
+ dprintf("content->text_version: %s vol\n",
+ iter->text_version);
+ if (iter->array.state & (1<<MD_SB_BLOCK_VOLUME)) {
+ /* do not assemble arrays with unsupported
+ configurations */
+ dprintf(": Cannot activate member %s.\n",
+ iter->text_version);
+ } else
+ count++;
+ }
+ sysfs_free(head);
+
+ } else {
+ dprintf(" no valid super block on device list: err: %d %p\n",
+ err, st->sb);
+ }
+ } else {
+ dprintf(" no more devices to examin\n");
+ }
+
+ for (tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ if ((tmpdev->used == 1) && (tmpdev->found)) {
+ if (count) {
+ if (count < tmpdev->found)
+ count = 0;
+ else
+ count -= tmpdev->found;
+ }
+ }
+ if (tmpdev->used == 1)
+ tmpdev->used = 4;
+ }
+ err_1:
+ if (st)
+ st->ss->free_super(st);
+ return count;
+}
+
+
+static int
+count_volumes(char *hba, int dpa, int verbose)
+{
+ struct md_list *devlist = NULL;
+ int count = 0;
+ int found = 0;;
+
+ devlist = get_devices(hba);
+ /* if no intel devices return zero volumes */
+ if (devlist == NULL)
+ return 0;
+
+ count = active_arrays_by_format("imsm", hba, &devlist, dpa, verbose);
+ dprintf(" path: %s active arrays: %d\n", hba, count);
+ if (devlist == NULL)
+ return 0;
+ do {
+ found = 0;
+ count += count_volumes_list(devlist,
+ NULL,
+ verbose,
+ &found);
+ dprintf("found %d count: %d\n", found, count);
+ } while (found);
+
+ dprintf("path: %s total number of volumes: %d\n", hba, count);
+
+ while(devlist) {
+ struct md_list *dv = devlist;
+ devlist = devlist->next;
+ free(dv->devname);
+ free(dv);
+ }
+ return count;
+}
+
static int imsm_default_chunk(const struct imsm_orom *orom)
{
/* up to 512 if the plaform supports it, otherwise the platform max.
return min(512, (1 << fs));
}
-#define pr_vrb(fmt, arg...) (void) (verbose && fprintf(stderr, Name fmt, ##arg))
static int
validate_geometry_imsm_orom(struct intel_super *super, int level, int layout,
- int raiddisks, int *chunk, int verbose)
+ int raiddisks, int *chunk, unsigned long long size, int verbose)
{
/* check/set platform and metadata limits/defaults */
if (super->orom && raiddisks > super->orom->dpa) {
layout, level);
return 0;
}
+
+ if (super->orom && (super->orom->attr & IMSM_OROM_ATTR_2TB) == 0 && chunk &&
+ (calc_array_size(level, raiddisks, layout, *chunk, size) >> 32) > 0) {
+ pr_vrb(": platform does not support a volume size over 2TB\n");
+ return 0;
+ }
return 1;
}
mpb = super->anchor;
- if (mpb->num_raid_devs > 0 && mpb->num_disks != raiddisks) {
- fprintf(stderr, Name ": the option-rom requires all "
- "member disks to be a member of all volumes.\n");
- return 0;
- }
-
- if (!validate_geometry_imsm_orom(super, level, layout, raiddisks, chunk, verbose)) {
- fprintf(stderr, Name ": RAID gemetry validation failed. "
+ if (!validate_geometry_imsm_orom(super, level, layout, raiddisks, chunk, size, verbose)) {
+ pr_err("RAID gemetry validation failed. "
"Cannot proceed with the action(s).\n");
return 0;
}
}
if (dcnt < raiddisks) {
if (verbose)
- fprintf(stderr, Name ": imsm: Not enough "
+ pr_err("imsm: Not enough "
"devices with space for this array "
"(%d < %d)\n",
dcnt, raiddisks);
}
if (!dl) {
if (verbose)
- fprintf(stderr, Name ": %s is not in the "
+ pr_err("%s is not in the "
"same imsm set\n", dev);
return 0;
} else if (super->orom && dl->index < 0 && mpb->num_raid_devs) {
* understand this configuration (all member disks must be
* members of each array in the container).
*/
- fprintf(stderr, Name ": %s is a spare and a volume"
+ pr_err("%s is a spare and a volume"
" is already defined for this container\n", dev);
- fprintf(stderr, Name ": The option-rom requires all member"
+ pr_err("The option-rom requires all member"
+ " disks to be a member of all volumes\n");
+ return 0;
+ } else if (super->orom && mpb->num_raid_devs > 0 &&
+ mpb->num_disks != raiddisks) {
+ pr_err("The option-rom requires all member"
" disks to be a member of all volumes\n");
return 0;
}
dl->extent_cnt = i;
} else {
if (verbose)
- fprintf(stderr, Name ": unable to determine free space for: %s\n",
+ pr_err("unable to determine free space for: %s\n",
dev);
return 0;
}
if (maxsize < size) {
if (verbose)
- fprintf(stderr, Name ": %s not enough space (%llu < %llu)\n",
+ pr_err("%s not enough space (%llu < %llu)\n",
dev, maxsize, size);
return 0;
}
if (!check_env("IMSM_NO_PLATFORM") &&
mpb->num_raid_devs > 0 && size && size != maxsize) {
- fprintf(stderr, Name ": attempting to create a second "
+ pr_err("attempting to create a second "
"volume with size less then remaining space. "
"Aborting...\n");
return 0;
}
if (maxsize < size || maxsize == 0) {
- if (verbose)
- fprintf(stderr, Name ": not enough space after merge (%llu < %llu)\n",
- maxsize, size);
+ if (verbose) {
+ if (maxsize == 0)
+ pr_err("no free space"
+ " left on device. Aborting...\n");
+ else
+ pr_err("not enough space"
+ " to create volume of given size"
+ " (%llu < %llu). Aborting...\n",
+ maxsize, size);
+ }
return 0;
}
*freesize = maxsize;
+ if (super->orom) {
+ int count = count_volumes(super->hba->path,
+ super->orom->dpa, verbose);
+ if (super->orom->vphba <= count) {
+ pr_vrb(": platform does not support more than %d raid volumes.\n",
+ super->orom->vphba);
+ return 0;
+ }
+ }
return 1;
}
-static int reserve_space(struct supertype *st, int raiddisks,
+static int imsm_get_free_size(struct supertype *st, int raiddisks,
unsigned long long size, int chunk,
unsigned long long *freesize)
{
(super->orom && used && used != raiddisks) ||
maxsize < minsize ||
maxsize == 0) {
- fprintf(stderr, Name ": not enough devices with space to create array.\n");
+ pr_err("not enough devices with space to create array.\n");
return 0; /* No enough free spaces large enough */
}
size /= 2 * chunk;
size *= 2 * chunk;
}
+ maxsize = size;
+ }
+ if (!check_env("IMSM_NO_PLATFORM") &&
+ mpb->num_raid_devs > 0 && size && size != maxsize) {
+ pr_err("attempting to create a second "
+ "volume with size less then remaining space. "
+ "Aborting...\n");
+ return 0;
}
-
cnt = 0;
for (dl = super->disks; dl; dl = dl->next)
if (dl->e)
*freesize = size;
+ dprintf("imsm: imsm_get_free_size() returns : %llu\n", size);
+
return 1;
}
+static int reserve_space(struct supertype *st, int raiddisks,
+ unsigned long long size, int chunk,
+ unsigned long long *freesize)
+{
+ struct intel_super *super = st->sb;
+ struct dl *dl;
+ int cnt;
+ int rv = 0;
+
+ rv = imsm_get_free_size(st, raiddisks, size, chunk, freesize);
+ if (rv) {
+ cnt = 0;
+ for (dl = super->disks; dl; dl = dl->next)
+ if (dl->e)
+ dl->raiddisk = cnt++;
+ rv = 1;
+ }
+
+ return rv;
+}
+
static int validate_geometry_imsm(struct supertype *st, int level, int layout,
int raiddisks, int *chunk, unsigned long long size,
char *dev, unsigned long long *freesize,
dev, freesize,
verbose);
}
-
+
if (!dev) {
if (st->sb) {
+ struct intel_super *super = st->sb;
if (!validate_geometry_imsm_orom(st->sb, level, layout,
- raiddisks, chunk,
+ raiddisks, chunk, size,
verbose))
return 0;
/* we are being asked to automatically layout a
* created. add_to_super and getinfo_super
* detect when autolayout is in progress.
*/
+ /* assuming that freesize is always given when array is
+ created */
+ if (super->orom && freesize) {
+ int count;
+ count = count_volumes(super->hba->path,
+ super->orom->dpa, verbose);
+ if (super->orom->vphba <= count) {
+ pr_vrb(": platform does not support more"
+ " than %d raid volumes.\n",
+ super->orom->vphba);
+ return 0;
+ }
+ }
if (freesize)
return reserve_space(st, raiddisks, size,
chunk?*chunk:0, freesize);
fd = open(dev, O_RDONLY|O_EXCL, 0);
if (fd >= 0) {
if (verbose)
- fprintf(stderr,
- Name ": Cannot create this array on device %s\n",
- dev);
+ pr_err("Cannot create this array on device %s\n",
+ dev);
close(fd);
return 0;
}
if (errno != EBUSY || (fd = open(dev, O_RDONLY, 0)) < 0) {
if (verbose)
- fprintf(stderr, Name ": Cannot open %s: %s\n",
+ pr_err("Cannot open %s: %s\n",
dev, strerror(errno));
return 0;
}
close(fd);
if (cfd < 0) {
if (verbose)
- fprintf(stderr, Name ": Cannot use %s: It is busy\n",
+ pr_err("Cannot use %s: It is busy\n",
dev);
return 0;
}
*/
struct intel_super *super;
- if (load_super_imsm_all(st, cfd, (void **) &super, NULL) == 0) {
+ if (load_super_imsm_all(st, cfd, (void **) &super, NULL, NULL, 1) == 0) {
st->sb = super;
st->container_dev = fd2devnum(cfd);
close(cfd);
}
if (verbose)
- fprintf(stderr, Name ": failed container membership check\n");
+ pr_err("failed container membership check\n");
close(cfd);
return 0;
continue;
sprintf(subarray, "%u", i);
if (is_subarray_active(subarray, st->devname)) {
- fprintf(stderr,
- Name ": deleting subarray-%d would change the UUID of active subarray-%d, aborting\n",
- current_vol, i);
+ pr_err("deleting subarray-%d would change the UUID of active subarray-%d, aborting\n",
+ current_vol, i);
return 2;
}
}
if (st->update_tail) {
- struct imsm_update_kill_array *u = malloc(sizeof(*u));
+ struct imsm_update_kill_array *u = xmalloc(sizeof(*u));
- if (!u)
- return 2;
u->type = update_kill_array;
u->dev_idx = current_vol;
append_metadata_update(st, u, sizeof(*u));
int vol;
if (is_subarray_active(subarray, st->devname)) {
- fprintf(stderr,
- Name ": Unable to update name of active subarray\n");
+ pr_err("Unable to update name of active subarray\n");
return 2;
}
return 2;
if (st->update_tail) {
- struct imsm_update_rename_array *u = malloc(sizeof(*u));
+ struct imsm_update_rename_array *u = xmalloc(sizeof(*u));
- if (!u)
- return 2;
u->type = update_rename_array;
u->dev_idx = vol;
snprintf((char *) u->name, MAX_RAID_SERIAL_LEN, "%s", name);
return 0;
}
+#endif /* MDASSEMBLE */
static int is_gen_migration(struct imsm_dev *dev)
{
return 0;
}
-#endif /* MDASSEMBLE */
-static int is_rebuilding(struct imsm_dev *dev)
+static int is_rebuilding(struct imsm_dev *dev)
+{
+ struct imsm_map *migr_map;
+
+ if (!dev->vol.migr_state)
+ return 0;
+
+ if (migr_type(dev) != MIGR_REBUILD)
+ return 0;
+
+ migr_map = get_imsm_map(dev, MAP_1);
+
+ if (migr_map->map_state == IMSM_T_STATE_DEGRADED)
+ return 1;
+ else
+ return 0;
+}
+
+#ifndef MDASSEMBLE
+static int is_initializing(struct imsm_dev *dev)
{
struct imsm_map *migr_map;
if (!dev->vol.migr_state)
return 0;
- if (migr_type(dev) != MIGR_REBUILD)
+ if (migr_type(dev) != MIGR_INIT)
return 0;
- migr_map = get_imsm_map(dev, 1);
+ migr_map = get_imsm_map(dev, MAP_1);
- if (migr_map->map_state == IMSM_T_STATE_DEGRADED)
+ if (migr_map->map_state == IMSM_T_STATE_UNINITIALIZED)
return 1;
- else
- return 0;
+
+ return 0;
}
+#endif
static void update_recovery_start(struct intel_super *super,
struct imsm_dev *dev,
/* do not assemble arrays when not all attributes are supported */
if (imsm_check_attributes(mpb->attributes) == 0) {
sb_errors = 1;
- fprintf(stderr, Name ": Unsupported attributes in IMSM metadata."
+ pr_err("Unsupported attributes in IMSM metadata."
"Arrays activation is blocked.\n");
}
/* check for bad blocks */
if (imsm_bbm_log_size(super->anchor)) {
- fprintf(stderr, Name ": BBM log found in IMSM metadata."
- "Arrays activation is blocked.\n");
+ pr_err("BBM log found in IMSM metadata."
+ "Arrays activation is blocked.\n");
sb_errors = 1;
}
struct imsm_map *map;
struct imsm_map *map2;
struct mdinfo *this;
- int slot, chunk;
+ int slot;
+#ifndef MDASSEMBLE
+ int chunk;
+#endif
char *ep;
if (subarray &&
continue;
dev = get_imsm_dev(super, i);
- map = get_imsm_map(dev, 0);
- map2 = get_imsm_map(dev, 1);
+ map = get_imsm_map(dev, MAP_0);
+ map2 = get_imsm_map(dev, MAP_1);
/* do not publish arrays that are in the middle of an
* unsupported migration
*/
if (dev->vol.migr_state &&
(migr_type(dev) == MIGR_STATE_CHANGE)) {
- fprintf(stderr, Name ": cannot assemble volume '%.16s':"
+ pr_err("cannot assemble volume '%.16s':"
" unsupported migration in progress\n",
dev->volume);
continue;
* OROM/EFI
*/
- chunk = __le16_to_cpu(map->blocks_per_strip) >> 1;
- this = malloc(sizeof(*this));
- if (!this) {
- fprintf(stderr, Name ": failed to allocate %zu bytes\n",
- sizeof(*this));
- break;
- }
+ this = xmalloc(sizeof(*this));
super->current_vol = i;
getinfo_super_imsm_volume(st, this, NULL);
this->next = rest;
#ifndef MDASSEMBLE
+ chunk = __le16_to_cpu(map->blocks_per_strip) >> 1;
/* mdadm does not support all metadata features- set the bit in all arrays state */
if (!validate_geometry_imsm_orom(super,
get_imsm_raid_level(map), /* RAID level */
imsm_level_to_layout(get_imsm_raid_level(map)),
map->num_members, /* raid disks */
- &chunk,
+ &chunk, join_u32(dev->size_low, dev->size_high),
1 /* verbose */)) {
- fprintf(stderr, Name ": IMSM RAID geometry validation"
+ pr_err("IMSM RAID geometry validation"
" failed. Array %s activation is blocked.\n",
dev->volume);
this->array.state |=
__u32 ord;
skip = 0;
- idx = get_imsm_disk_idx(dev, slot, 0);
- ord = get_imsm_ord_tbl_ent(dev, slot, -1);
+ idx = get_imsm_disk_idx(dev, slot, MAP_0);
+ ord = get_imsm_ord_tbl_ent(dev, slot, MAP_X);
for (d = super->disks; d ; d = d->next)
if (d->index == idx)
break;
if (skip)
continue;
- info_d = calloc(1, sizeof(*info_d));
- if (!info_d) {
- fprintf(stderr, Name ": failed to allocate disk"
- " for volume %.16s\n", dev->volume);
- info_d = this->devs;
- while (info_d) {
- struct mdinfo *d = info_d->next;
-
- free(info_d);
- info_d = d;
- }
- free(this);
- this = rest;
- break;
- }
+ info_d = xcalloc(1, sizeof(*info_d));
info_d->next = this->devs;
this->devs = info_d;
this->array.working_disks++;
info_d->events = __le32_to_cpu(mpb->generation_num);
- info_d->data_offset = __le32_to_cpu(map->pba_of_lba0);
- info_d->component_size = __le32_to_cpu(map->blocks_per_member);
+ info_d->data_offset = pba_of_lba0(map);
+ info_d->component_size = blocks_per_member(map);
}
/* now that the disk list is up-to-date fixup recovery_start */
update_recovery_start(super, dev, this);
int insync = insync;
for (i = 0; i < map->num_members; i++) {
- __u32 ord = get_imsm_ord_tbl_ent(dev, i, -1);
+ __u32 ord = get_imsm_ord_tbl_ent(dev, i, MAP_X);
int idx = ord_to_idx(ord);
struct imsm_disk *disk;
for (i = 0; i < map_for_loop->num_members; i++) {
idx_1 = -255;
+ /* when MAP_X is passed both maps failures are counted
+ */
if (prev &&
- (look_in_map & MAP_1) && (i < prev->num_members)) {
+ ((look_in_map == MAP_1) || (look_in_map == MAP_X)) &&
+ (i < prev->num_members)) {
ord = __le32_to_cpu(prev->disk_ord_tbl[i]);
idx_1 = ord_to_idx(ord);
if (!disk || is_failed(disk) || ord & IMSM_ORD_REBUILD)
failed++;
}
- if ((look_in_map & MAP_0) && (i < map->num_members)) {
+ if (((look_in_map == MAP_0) || (look_in_map == MAP_X)) &&
+ (i < map->num_members)) {
ord = __le32_to_cpu(map->disk_ord_tbl[i]);
idx = ord_to_idx(ord);
{
struct intel_super *super = c->sb;
struct imsm_super *mpb = super->anchor;
-
+
if (atoi(inst) >= mpb->num_raid_devs) {
fprintf(stderr, "%s: subarry index %d, out of range\n",
__func__, atoi(inst));
if (migr_type(dev) == MIGR_GEN_MIGR)
return 0;
- migr_map = get_imsm_map(dev, 1);
+ migr_map = get_imsm_map(dev, MAP_1);
if ((migr_map->map_state == IMSM_T_STATE_NORMAL) &&
(dev->vol.migr_type != MIGR_GEN_MIGR))
unsigned int len, shift = 0;
/* new failures are always set in map[0] */
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
slot = get_imsm_disk_slot(map, idx);
if (slot < 0)
disk->status |= FAILED_DISK;
set_imsm_ord_tbl_ent(map, slot, idx | IMSM_ORD_REBUILD);
- if (is_gen_migration(dev)) {
- struct imsm_map *map2 = get_imsm_map(dev, 1);
- if (slot < map2->num_members)
- set_imsm_ord_tbl_ent(map2, slot,
+ /* mark failures in second map if second map exists and this disk
+ * in this slot.
+ * This is valid for migration, initialization and rebuild
+ */
+ if (dev->vol.migr_state) {
+ struct imsm_map *map2 = get_imsm_map(dev, MAP_1);
+ int slot2 = get_imsm_disk_slot(map2, idx);
+
+ if ((slot2 < map2->num_members) &&
+ (slot2 >= 0))
+ set_imsm_ord_tbl_ent(map2, slot2,
idx | IMSM_ORD_REBUILD);
}
if (map->failed_disk_num == 0xff)
return;
dprintf("imsm: mark missing\n");
+ /* end process for initialization and rebuild only
+ */
+ if (is_gen_migration(dev) == 0) {
+ __u8 map_state;
+ int failed;
+
+ failed = imsm_count_failed(super, dev, MAP_0);
+ map_state = imsm_check_degraded(super, dev, failed, MAP_0);
+
+ end_migration(dev, super, map_state);
+ }
for (dl = super->missing; dl; dl = dl->next)
mark_missing(dev, &dl->disk, dl->index);
super->updates_pending++;
}
-static unsigned long long imsm_set_array_size(struct imsm_dev *dev)
+static unsigned long long imsm_set_array_size(struct imsm_dev *dev,
+ long long new_size)
{
- int used_disks = imsm_num_data_members(dev, 0);
+ int used_disks = imsm_num_data_members(dev, MAP_0);
unsigned long long array_blocks;
struct imsm_map *map;
/* set array size in metadata
*/
- map = get_imsm_map(dev, 0);
- array_blocks = map->blocks_per_member * used_disks;
+ if (new_size <= 0) {
+ /* OLCE size change is caused by added disks
+ */
+ map = get_imsm_map(dev, MAP_0);
+ array_blocks = blocks_per_member(map) * used_disks;
+ } else {
+ /* Online Volume Size Change
+ * Using available free space
+ */
+ array_blocks = new_size;
+ }
/* round array size down to closest MB
*/
for (i = 0; i < mpb->num_raid_devs; i++) {
struct imsm_dev *dev = get_imsm_dev(super, i);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
struct imsm_map *map2;
int prev_num_members;
for (i = prev_num_members;
i < map->num_members; i++)
set_imsm_ord_tbl_ent(map, i, i);
- map2 = get_imsm_map(dev, 1);
+ map2 = get_imsm_map(dev, MAP_1);
/* Copy the current map */
memcpy(map2, map, copy_map_size);
map2->num_members = prev_num_members;
- imsm_set_array_size(dev);
+ imsm_set_array_size(dev, -1);
+ super->clean_migration_record_by_mdmon = 1;
super->updates_pending++;
}
}
int inst = a->info.container_member;
struct intel_super *super = a->container->sb;
struct imsm_dev *dev = get_imsm_dev(super, inst);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
int failed = imsm_count_failed(super, dev, MAP_0);
__u8 map_state = imsm_check_degraded(super, dev, failed, MAP_0);
__u32 blocks_per_unit;
* user action is required to recover process
*/
if (0) {
- struct imsm_map *map2 = get_imsm_map(dev, 1);
- dev->vol.migr_state = 0;
- set_migr_type(dev, 0);
- dev->vol.curr_migr_unit = 0;
- memcpy(map, map2, sizeof_imsm_map(map2));
- super->updates_pending++;
+ struct imsm_map *map2 =
+ get_imsm_map(dev, MAP_1);
+ dev->vol.migr_state = 0;
+ set_migr_type(dev, 0);
+ dev->vol.curr_migr_unit = 0;
+ memcpy(map, map2,
+ sizeof_imsm_map(map2));
+ super->updates_pending++;
}
}
if (a->last_checkpoint >= a->info.component_size) {
int used_disks;
struct mdinfo *mdi;
- used_disks = imsm_num_data_members(dev, 0);
+ used_disks = imsm_num_data_members(dev, MAP_0);
if (used_disks > 0) {
array_blocks =
- map->blocks_per_member *
+ blocks_per_member(map) *
used_disks;
/* round array size down to closest MB
*/
*/
if (is_resyncing(dev)) {
dprintf("imsm: mark resync done\n");
- end_migration(dev, map_state);
+ end_migration(dev, super, map_state);
super->updates_pending++;
a->last_checkpoint = 0;
}
int inst = a->info.container_member;
struct intel_super *super = a->container->sb;
struct imsm_dev *dev = get_imsm_dev(super, inst);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
struct imsm_disk *disk;
+ struct mdinfo *mdi;
+ int recovery_not_finished = 0;
int failed;
__u32 ord;
__u8 map_state;
dprintf("imsm: set_disk %d:%x\n", n, state);
- ord = get_imsm_ord_tbl_ent(dev, n, -2);
+ ord = get_imsm_ord_tbl_ent(dev, n, MAP_0);
disk = get_imsm_disk(super, ord_to_idx(ord));
/* check for new failures */
/* check if in_sync */
if (state & DS_INSYNC && ord & IMSM_ORD_REBUILD && is_rebuilding(dev)) {
- struct imsm_map *migr_map = get_imsm_map(dev, 1);
+ struct imsm_map *migr_map = get_imsm_map(dev, MAP_1);
set_imsm_ord_tbl_ent(migr_map, n, ord_to_idx(ord));
super->updates_pending++;
map_state = imsm_check_degraded(super, dev, failed, MAP_0);
/* check if recovery complete, newly degraded, or failed */
- if (map_state == IMSM_T_STATE_NORMAL && is_rebuilding(dev)) {
- end_migration(dev, map_state);
- map = get_imsm_map(dev, 0);
- map->failed_disk_num = ~0;
- super->updates_pending++;
- a->last_checkpoint = 0;
- } else if (map_state == IMSM_T_STATE_DEGRADED &&
- map->map_state != map_state &&
- !dev->vol.migr_state) {
- dprintf("imsm: mark degraded\n");
- map->map_state = map_state;
- super->updates_pending++;
- a->last_checkpoint = 0;
- } else if (map_state == IMSM_T_STATE_FAILED &&
- map->map_state != map_state) {
- dprintf("imsm: mark failed\n");
- end_migration(dev, map_state);
- super->updates_pending++;
- a->last_checkpoint = 0;
- } else if (is_gen_migration(dev)) {
- dprintf("imsm: Detected General Migration in state: ");
-
- switch (map_state) {
- case IMSM_T_STATE_NORMAL:
- dprintf("normal\n");
- if (a->last_checkpoint >= a->info.component_size)
- end_migration(dev, map_state);
- map = get_imsm_map(dev, 0);
+ dprintf("imsm: Detected transition to state ");
+ switch (map_state) {
+ case IMSM_T_STATE_NORMAL: /* transition to normal state */
+ dprintf("normal: ");
+ if (is_rebuilding(dev)) {
+ dprintf("while rebuilding");
+ /* check if recovery is really finished */
+ for (mdi = a->info.devs; mdi ; mdi = mdi->next)
+ if (mdi->recovery_start != MaxSector) {
+ recovery_not_finished = 1;
+ break;
+ }
+ if (recovery_not_finished) {
+ dprintf("\nimsm: Rebuild has not finished yet, "
+ "state not changed");
+ if (a->last_checkpoint < mdi->recovery_start) {
+ a->last_checkpoint = mdi->recovery_start;
+ super->updates_pending++;
+ }
+ break;
+ }
+ end_migration(dev, super, map_state);
+ map = get_imsm_map(dev, MAP_0);
map->failed_disk_num = ~0;
+ super->updates_pending++;
+ a->last_checkpoint = 0;
break;
- case IMSM_T_STATE_DEGRADED:
- dprintf("degraded\n");
+ }
+ if (is_gen_migration(dev)) {
+ dprintf("while general migration");
if (a->last_checkpoint >= a->info.component_size)
- end_migration(dev, map_state);
+ end_migration(dev, super, map_state);
else
+ map->map_state = map_state;
+ map = get_imsm_map(dev, MAP_0);
+ map->failed_disk_num = ~0;
+ super->updates_pending++;
+ break;
+ }
+ break;
+ case IMSM_T_STATE_DEGRADED: /* transition to degraded state */
+ dprintf("degraded: ");
+ if ((map->map_state != map_state) &&
+ !dev->vol.migr_state) {
+ dprintf("mark degraded");
+ map->map_state = map_state;
+ super->updates_pending++;
+ a->last_checkpoint = 0;
+ break;
+ }
+ if (is_rebuilding(dev)) {
+ dprintf("while rebuilding.");
+ if (map->map_state != map_state) {
+ dprintf(" Map state change");
+ end_migration(dev, super, map_state);
+ super->updates_pending++;
+ }
+ break;
+ }
+ if (is_gen_migration(dev)) {
+ dprintf("while general migration");
+ if (a->last_checkpoint >= a->info.component_size)
+ end_migration(dev, super, map_state);
+ else {
+ map->map_state = map_state;
manage_second_map(super, dev);
+ }
+ super->updates_pending++;
break;
- default:
- dprintf("failed\n");
}
- map->map_state = map_state;
- super->updates_pending++;
+ if (is_initializing(dev)) {
+ dprintf("while initialization.");
+ map->map_state = map_state;
+ super->updates_pending++;
+ break;
+ }
+ break;
+ case IMSM_T_STATE_FAILED: /* transition to failed state */
+ dprintf("failed: ");
+ if (is_gen_migration(dev)) {
+ dprintf("while general migration");
+ map->map_state = map_state;
+ super->updates_pending++;
+ break;
+ }
+ if (map->map_state != map_state) {
+ dprintf("mark failed");
+ end_migration(dev, super, map_state);
+ super->updates_pending++;
+ a->last_checkpoint = 0;
+ break;
+ }
+ break;
+ default:
+ dprintf("state %i\n", map_state);
}
+ dprintf("\n");
+
}
static int store_imsm_mpb(int fd, struct imsm_super *mpb)
static struct dl *imsm_readd(struct intel_super *super, int idx, struct active_array *a)
{
struct imsm_dev *dev = get_imsm_dev(super, a->info.container_member);
- int i = get_imsm_disk_idx(dev, idx, -1);
+ int i = get_imsm_disk_idx(dev, idx, MAP_X);
struct dl *dl;
for (dl = super->disks; dl; dl = dl->next)
struct mdinfo *additional_test_list)
{
struct imsm_dev *dev = get_imsm_dev(super, a->info.container_member);
- int idx = get_imsm_disk_idx(dev, slot, -1);
+ int idx = get_imsm_disk_idx(dev, slot, MAP_X);
struct imsm_super *mpb = super->anchor;
struct imsm_map *map;
unsigned long long pos;
}
for (i = 0; i < mpb->num_raid_devs; i++) {
dev = get_imsm_dev(super, i);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
/* check if this disk is already a member of
* this array
found = 0;
j = 0;
pos = 0;
- array_start = __le32_to_cpu(map->pba_of_lba0);
+ array_start = pba_of_lba0(map);
array_end = array_start +
- __le32_to_cpu(map->blocks_per_member) - 1;
+ blocks_per_member(map) - 1;
do {
/* check that we can start at pba_of_lba0 with
dev2 = get_imsm_dev(cont->sb, dev_idx);
if (dev2) {
- state = imsm_check_degraded(cont->sb, dev2, failed,
- MAP_0);
+ state = imsm_check_degraded(cont->sb, dev2, failed, MAP_0);
if (state == IMSM_T_STATE_FAILED) {
- map = get_imsm_map(dev2, 0);
+ map = get_imsm_map(dev2, MAP_0);
if (!map)
return 1;
for (slot = 0; slot < map->num_members; slot++) {
* Check if failed disks are deleted from intel
* disk list or are marked to be deleted
*/
- idx = get_imsm_disk_idx(dev2, slot, -1);
+ idx = get_imsm_disk_idx(dev2, slot, MAP_X);
idisk = get_imsm_dl_disk(cont->sb, idx);
/*
* Do not rebuild the array if failed disks
struct intel_super *super = a->container->sb;
int inst = a->info.container_member;
struct imsm_dev *dev = get_imsm_dev(super, inst);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
int failed = a->info.array.raid_disks;
struct mdinfo *rv = NULL;
struct mdinfo *d;
if (imsm_reshape_blocks_arrays_changes(super))
return NULL;
+ /* Cannot activate another spare if rebuild is in progress already
+ */
+ if (is_rebuilding(dev)) {
+ dprintf("imsm: No spare activation allowed. "
+ "Rebuild in progress already.\n");
+ return NULL;
+ }
+
if (a->info.array.level == 4)
/* No repair for takeovered array
* imsm doesn't support raid4
continue;
/* found a usable disk with enough space */
- di = malloc(sizeof(*di));
- if (!di)
- continue;
- memset(di, 0, sizeof(*di));
+ di = xcalloc(1, sizeof(*di));
/* dl->index will be -1 in the case we are activating a
* pristine spare. imsm_process_update() will create a
di->disk.minor = dl->minor;
di->disk.state = 0;
di->recovery_start = 0;
- di->data_offset = __le32_to_cpu(map->pba_of_lba0);
+ di->data_offset = pba_of_lba0(map);
di->component_size = a->info.component_size;
di->container_member = inst;
super->random = random32();
* Create a metadata_update record to update the
* disk_ord_tbl for the array
*/
- mu = malloc(sizeof(*mu));
- if (mu) {
- mu->buf = malloc(sizeof(struct imsm_update_activate_spare) * num_spares);
- if (mu->buf == NULL) {
- free(mu);
- mu = NULL;
- }
- }
- if (!mu) {
- while (rv) {
- struct mdinfo *n = rv->next;
-
- free(rv);
- rv = n;
- }
- return NULL;
- }
-
+ mu = xmalloc(sizeof(*mu));
+ mu->buf = xcalloc(num_spares,
+ sizeof(struct imsm_update_activate_spare));
mu->space = NULL;
mu->space_list = NULL;
mu->len = sizeof(struct imsm_update_activate_spare) * num_spares;
static int disks_overlap(struct intel_super *super, int idx, struct imsm_update_create_array *u)
{
struct imsm_dev *dev = get_imsm_dev(super, idx);
- struct imsm_map *map = get_imsm_map(dev, 0);
- struct imsm_map *new_map = get_imsm_map(&u->dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ struct imsm_map *new_map = get_imsm_map(&u->dev, MAP_0);
struct disk_info *inf = get_disk_info(u);
struct imsm_disk *disk;
int i;
int j;
for (i = 0; i < map->num_members; i++) {
- disk = get_imsm_disk(super, get_imsm_disk_idx(dev, i, -1));
+ disk = get_imsm_disk(super, get_imsm_disk_idx(dev, i, MAP_X));
for (j = 0; j < new_map->num_members; j++)
if (serialcmp(disk->serial, inf[j].serial) == 0)
return 1;
struct imsm_map *map;
struct imsm_dev *new_dev =
(struct imsm_dev *)*space_list;
- struct imsm_map *migr_map = get_imsm_map(dev, 1);
+ struct imsm_map *migr_map = get_imsm_map(dev, MAP_1);
int to_state;
struct dl *new_disk;
return ret_val;
*space_list = **space_list;
memcpy(new_dev, dev, sizeof_imsm_dev(dev, 0));
- map = get_imsm_map(new_dev, 0);
+ map = get_imsm_map(new_dev, MAP_0);
if (migr_map) {
dprintf("imsm: Error: migration in progress");
return ret_val;
migrate(new_dev, super, to_state, MIGR_GEN_MIGR);
if (u->new_level > -1)
map->raid_level = u->new_level;
- migr_map = get_imsm_map(new_dev, 1);
+ migr_map = get_imsm_map(new_dev, MAP_1);
if ((u->new_level == 5) &&
(migr_map->raid_level == 0)) {
int ord = map->num_members - 1;
*tofree = *space_list;
/* calculate new size
*/
- imsm_set_array_size(new_dev);
+ imsm_set_array_size(new_dev, -1);
ret_val = 1;
}
return ret_val;
}
+static int apply_size_change_update(struct imsm_update_size_change *u,
+ struct intel_super *super)
+{
+ struct intel_dev *id;
+ int ret_val = 0;
+
+ dprintf("apply_size_change_update()\n");
+ if ((u->subdev < 0) ||
+ (u->subdev > 1)) {
+ dprintf("imsm: Error: Wrong subdev: %i\n", u->subdev);
+ return ret_val;
+ }
+
+ for (id = super->devlist ; id; id = id->next) {
+ if (id->index == (unsigned)u->subdev) {
+ struct imsm_dev *dev = get_imsm_dev(super, u->subdev);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
+ int used_disks = imsm_num_data_members(dev, MAP_0);
+ unsigned long long blocks_per_member;
+
+ /* calculate new size
+ */
+ blocks_per_member = u->new_size / used_disks;
+ dprintf("imsm: apply_size_change_update(size: %llu, "
+ "blocks per member: %llu)\n",
+ u->new_size, blocks_per_member);
+ set_blocks_per_member(map, blocks_per_member);
+ imsm_set_array_size(dev, u->new_size);
+
+ ret_val = 1;
+ break;
+ }
+ }
+
+ return ret_val;
+}
+
+
static int apply_update_activate_spare(struct imsm_update_activate_spare *u,
- struct intel_super *super,
+ struct intel_super *super,
struct active_array *active_array)
{
struct imsm_super *mpb = super->anchor;
struct imsm_dev *dev = get_imsm_dev(super, u->array);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
struct imsm_map *migr_map;
struct active_array *a;
struct imsm_disk *disk;
int second_map_created = 0;
for (; u; u = u->next) {
- victim = get_imsm_disk_idx(dev, u->slot, -1);
+ victim = get_imsm_disk_idx(dev, u->slot, MAP_X);
if (victim < 0)
return 0;
if (i == u->slot)
continue;
disk = get_imsm_disk(super,
- get_imsm_disk_idx(dev, i, -1));
+ get_imsm_disk_idx(dev, i, MAP_X));
if (!disk || is_failed(disk))
failed++;
}
disk->status &= ~SPARE_DISK;
/* mark rebuild */
- to_state = imsm_check_degraded(super, dev, failed,
- MAP_0);
+ to_state = imsm_check_degraded(super, dev, failed, MAP_0);
if (!second_map_created) {
second_map_created = 1;
map->map_state = IMSM_T_STATE_DEGRADED;
migrate(dev, super, to_state, MIGR_REBUILD);
} else
map->map_state = to_state;
- migr_map = get_imsm_map(dev, 1);
+ migr_map = get_imsm_map(dev, MAP_1);
set_imsm_ord_tbl_ent(map, u->slot, dl->index);
set_imsm_ord_tbl_ent(migr_map, u->slot,
dl->index | IMSM_ORD_REBUILD);
found = 0;
for (a = active_array; a ; a = a->next) {
dev = get_imsm_dev(super, a->info.container_member);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
if (get_imsm_disk_slot(map, victim) >= 0)
found++;
newdev = (void*)sp;
/* Copy the dev, but not (all of) the map */
memcpy(newdev, id->dev, sizeof(*newdev));
- oldmap = get_imsm_map(id->dev, 0);
- newmap = get_imsm_map(newdev, 0);
+ oldmap = get_imsm_map(id->dev, MAP_0);
+ newmap = get_imsm_map(newdev, MAP_0);
/* Copy the current map */
memcpy(newmap, oldmap, sizeof_imsm_map(oldmap));
/* update one device only
}
/* New map is correct, now need to save old map
*/
- newmap = get_imsm_map(newdev, 1);
+ newmap = get_imsm_map(newdev, MAP_1);
memcpy(newmap, oldmap, sizeof_imsm_map(oldmap));
- imsm_set_array_size(newdev);
+ imsm_set_array_size(newdev, -1);
}
sp = (void **)id->dev;
if (dev == NULL)
return 0;
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
if (u->direction == R10_TO_R0) {
/* Number of failed disks must be half of initial disk number */
dev_new = (void *)space;
memcpy(dev_new, dev, sizeof(*dev));
/* update new map */
- map = get_imsm_map(dev_new, 0);
+ map = get_imsm_map(dev_new, MAP_0);
map->num_members = map->num_members * 2;
map->map_state = IMSM_T_STATE_DEGRADED;
map->num_domains = 2;
super->updates_pending++;
break;
}
+ case update_size_change: {
+ struct imsm_update_size_change *u = (void *)update->buf;
+ if (apply_size_change_update(u, super))
+ super->updates_pending++;
+ break;
+ }
case update_activate_spare: {
struct imsm_update_activate_spare *u = (void *) update->buf;
if (apply_update_activate_spare(u, super, st->arrays))
goto create_error;
}
- new_map = get_imsm_map(&u->dev, 0);
- new_start = __le32_to_cpu(new_map->pba_of_lba0);
- new_end = new_start + __le32_to_cpu(new_map->blocks_per_member);
+ new_map = get_imsm_map(&u->dev, MAP_0);
+ new_start = pba_of_lba0(new_map);
+ new_end = new_start + blocks_per_member(new_map);
inf = get_disk_info(u);
/* handle activate_spare versus create race:
*/
for (i = 0; i < mpb->num_raid_devs; i++) {
dev = get_imsm_dev(super, i);
- map = get_imsm_map(dev, 0);
- start = __le32_to_cpu(map->pba_of_lba0);
- end = start + __le32_to_cpu(map->blocks_per_member);
+ map = get_imsm_map(dev, MAP_0);
+ start = pba_of_lba0(map);
+ end = start + blocks_per_member(map);
if ((new_start >= start && new_start <= end) ||
(start >= new_start && start <= new_end))
/* overlap */;
if (u->direction == R0_TO_R10) {
void **tail = (void **)&update->space_list;
struct imsm_dev *dev = get_imsm_dev(super, u->subarray);
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
int num_members = map->num_members;
void *space;
int size, i;
- int err = 0;
/* allocate memory for added disks */
for (i = 0; i < num_members; i++) {
size = sizeof(struct dl);
- space = malloc(size);
- if (!space) {
- err++;
- break;
- }
+ space = xmalloc(size);
*tail = space;
tail = space;
*tail = NULL;
/* allocate memory for new device */
size = sizeof_imsm_dev(super->devlist->dev, 0) +
(num_members * sizeof(__u32));
- space = malloc(size);
- if (!space)
- err++;
- else {
- *tail = space;
- tail = space;
- *tail = NULL;
- }
- if (!err) {
- len = disks_to_mpb_size(num_members * 2);
- } else {
- /* if allocation didn't success, free buffer */
- while (update->space_list) {
- void **sp = update->space_list;
- update->space_list = *sp;
- free(sp);
- }
- }
+ space = xmalloc(size);
+ *tail = space;
+ tail = space;
+ *tail = NULL;
+ len = disks_to_mpb_size(num_members * 2);
}
break;
if (u->new_raid_disks > u->old_raid_disks)
size += sizeof(__u32)*2*
(u->new_raid_disks - u->old_raid_disks);
- s = malloc(size);
- if (!s)
- break;
+ s = xmalloc(size);
*space_tail = s;
space_tail = s;
*space_tail = NULL;
if (u->new_raid_disks > u->old_raid_disks)
size += sizeof(__u32)*2*
(u->new_raid_disks - u->old_raid_disks);
- s = malloc(size);
- if (!s)
- break;
+ s = xmalloc(size);
*space_tail = s;
space_tail = s;
*space_tail = NULL;
/* add space for disk in update
*/
size = sizeof(struct dl);
- s = malloc(size);
- if (!s) {
- free(update->space_list);
- update->space_list = NULL;
- break;
- }
+ s = xmalloc(size);
*space_tail = s;
space_tail = s;
*space_tail = NULL;
struct imsm_map *map;
dev = get_imsm_dev(super, u->subdev);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
current_level = map->raid_level;
break;
}
dprintf("New anchor length is %llu\n", (unsigned long long)len);
break;
}
+ case update_size_change: {
+ break;
+ }
case update_create_array: {
struct imsm_update_create_array *u = (void *) update->buf;
struct intel_dev *dv;
struct imsm_dev *dev = &u->dev;
- struct imsm_map *map = get_imsm_map(dev, 0);
+ struct imsm_map *map = get_imsm_map(dev, MAP_0);
struct dl *dl;
struct disk_info *inf;
int i;
inf = get_disk_info(u);
len = sizeof_imsm_dev(dev, 1);
/* allocate a new super->devlist entry */
- dv = malloc(sizeof(*dv));
- if (dv) {
- dv->dev = malloc(len);
- if (dv->dev)
- update->space = dv;
- else {
- free(dv);
- update->space = NULL;
- }
- }
+ dv = xmalloc(sizeof(*dv));
+ dv->dev = xmalloc(len);
+ update->space = dv;
/* count how many spares will be converted to members */
for (i = 0; i < map->num_members; i++) {
for (i = 0; i < mpb->num_raid_devs; i++) {
dev = get_imsm_dev(super, i);
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
num_members = map->num_members;
for (j = 0; j < num_members; j++) {
/* update ord entries being careful not to propagate
* ord-flags to the first map
*/
- ord = get_imsm_ord_tbl_ent(dev, j, -1);
+ ord = get_imsm_ord_tbl_ent(dev, j, MAP_X);
if (ord_to_idx(ord) <= index)
continue;
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
set_imsm_ord_tbl_ent(map, j, ord_to_idx(ord - 1));
- map = get_imsm_map(dev, 1);
+ map = get_imsm_map(dev, MAP_1);
if (map)
set_imsm_ord_tbl_ent(map, j, ord - 1);
}
struct imsm_dev *dev)
{
switch (level) {
+ case 1:
case 10:{
int ret_val = 0;
struct imsm_map *map;
/* check map if all disks pairs not failed
* in both maps
*/
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
for (i = 0; i < ret_val; i++) {
int degradation = 0;
if (get_imsm_disk(super, i) == NULL)
if (degradation == 2)
return 0;
}
- map = get_imsm_map(dev, 1);
+ map = get_imsm_map(dev, MAP_1);
/* if there is no second map
* result can be returned
*/
struct mdinfo *sd;
char nm[30];
int fd;
- struct imsm_map *map_dest = get_imsm_map(dev, 0);
- struct imsm_map *map_src = get_imsm_map(dev, 1);
+ struct imsm_map *map_dest = get_imsm_map(dev, MAP_0);
+ struct imsm_map *map_src = get_imsm_map(dev, MAP_1);
unsigned long long num_migr_units;
unsigned long long array_blocks;
migr_rec->dest_depth_per_unit = GEN_MIGR_AREA_SIZE /
max(map_dest->blocks_per_strip, map_src->blocks_per_strip);
- migr_rec->dest_depth_per_unit *= map_dest->blocks_per_strip;
- new_data_disks = imsm_num_data_members(dev, 0);
+ migr_rec->dest_depth_per_unit *=
+ max(map_dest->blocks_per_strip, map_src->blocks_per_strip);
+ new_data_disks = imsm_num_data_members(dev, MAP_0);
migr_rec->blocks_per_unit =
__cpu_to_le32(migr_rec->dest_depth_per_unit * new_data_disks);
migr_rec->dest_depth_per_unit =
unsigned long long *target_offsets = NULL;
int *targets = NULL;
int i;
- struct imsm_map *map_dest = get_imsm_map(dev, 0);
+ struct imsm_map *map_dest = get_imsm_map(dev, MAP_0);
int new_disks = map_dest->num_members;
int dest_layout = 0;
int dest_chunk;
unsigned long long start;
- int data_disks = imsm_num_data_members(dev, 0);
+ int data_disks = imsm_num_data_members(dev, MAP_0);
- targets = malloc(new_disks * sizeof(int));
- if (!targets)
- goto abort;
+ targets = xmalloc(new_disks * sizeof(int));
for (i = 0; i < new_disks; i++)
targets[i] = -1;
- target_offsets = malloc(new_disks * sizeof(unsigned long long));
- if (!target_offsets)
- goto abort;
+ target_offsets = xcalloc(new_disks, sizeof(unsigned long long));
start = info->reshape_progress * 512;
for (i = 0; i < new_disks; i++) {
start,
length,
buf) != 0) {
- fprintf(stderr, Name ": Error restoring stripes\n");
+ pr_err("Error restoring stripes\n");
goto abort;
}
if (id == NULL)
return 1;
- map_dest = get_imsm_map(id->dev, 0);
+ map_dest = get_imsm_map(id->dev, MAP_0);
new_disks = map_dest->num_members;
read_offset = (unsigned long long)
write_offset = ((unsigned long long)
__le32_to_cpu(migr_rec->dest_1st_member_lba) +
- __le32_to_cpu(map_dest->pba_of_lba0)) * 512;
+ pba_of_lba0(map_dest)) * 512;
unit_len = __le32_to_cpu(migr_rec->dest_depth_per_unit) * 512;
if (posix_memalign((void **)&buf, 512, unit_len) != 0)
goto abort;
- targets = malloc(new_disks * sizeof(int));
- if (!targets)
- goto abort;
+ targets = xcalloc(new_disks, sizeof(int));
if (open_backup_targets(info, new_disks, targets, super, id->dev)) {
- fprintf(stderr,
- Name ": Cannot open some devices belonging to array.\n");
+ pr_err("Cannot open some devices belonging to array.\n");
goto abort;
}
continue;
}
if (lseek64(targets[i], read_offset, SEEK_SET) < 0) {
- fprintf(stderr,
- Name ": Cannot seek to block: %s\n",
- strerror(errno));
+ pr_err("Cannot seek to block: %s\n",
+ strerror(errno));
skipped_disks++;
continue;
}
if ((unsigned)read(targets[i], buf, unit_len) != unit_len) {
- fprintf(stderr,
- Name ": Cannot read copy area block: %s\n",
- strerror(errno));
+ pr_err("Cannot read copy area block: %s\n",
+ strerror(errno));
skipped_disks++;
continue;
}
if (lseek64(targets[i], write_offset, SEEK_SET) < 0) {
- fprintf(stderr,
- Name ": Cannot seek to block: %s\n",
- strerror(errno));
+ pr_err("Cannot seek to block: %s\n",
+ strerror(errno));
skipped_disks++;
continue;
}
if ((unsigned)write(targets[i], buf, unit_len) != unit_len) {
- fprintf(stderr,
- Name ": Cannot restore block: %s\n",
- strerror(errno));
+ pr_err("Cannot restore block: %s\n",
+ strerror(errno));
skipped_disks++;
continue;
}
new_disks,
super,
id->dev)) {
- fprintf(stderr,
- Name ": Cannot restore data from backup."
- " Too many failed disks\n");
+ pr_err("Cannot restore data from backup."
+ " Too many failed disks\n");
goto abort;
}
static int imsm_reshape_is_allowed_on_container(struct supertype *st,
struct geo_params *geo,
- int *old_raid_disks)
+ int *old_raid_disks,
+ int direction)
{
/* currently we only support increasing the number of devices
* for a container. This increases the number of device for each
return ret_val;
}
+ if (direction == ROLLBACK_METADATA_CHANGES) {
+ dprintf("imsm: Metadata changes rollback is not supported for "
+ "container operation.\n");
+ return ret_val;
+ }
+
info = container_content_imsm(st, NULL);
for (member = info; member; member = member->next) {
int result;
/* now add space for spare disks that we need to add. */
update_memory_size += sizeof(u->new_disks[0]) * (delta_disks - 1);
- u = calloc(1, update_memory_size);
- if (u == NULL) {
- dprintf("error: "
- "cannot get memory for imsm_update_reshape update\n");
- return 0;
- }
+ u = xcalloc(1, update_memory_size);
u->type = update_reshape_container_disks;
u->old_raid_disks = old_raid_disks;
u->new_raid_disks = geo->raid_disks;
if (spares == NULL
|| delta_disks > spares->array.spare_disks) {
- fprintf(stderr, Name ": imsm: ERROR: Cannot get spare devices "
+ pr_err("imsm: ERROR: Cannot get spare devices "
"for %s.\n", geo->dev_name);
i = -1;
goto abort;
return 0;
}
+
+/******************************************************************************
+ * function: imsm_create_metadata_update_for_size_change()
+ * Creates update for IMSM array for array size change.
+ *
+ ******************************************************************************/
+static int imsm_create_metadata_update_for_size_change(
+ struct supertype *st,
+ struct geo_params *geo,
+ struct imsm_update_size_change **updatep)
+{
+ struct intel_super *super = st->sb;
+ int update_memory_size = 0;
+ struct imsm_update_size_change *u = NULL;
+
+ dprintf("imsm_create_metadata_update_for_size_change(enter)"
+ " New size = %llu\n", geo->size);
+
+ /* size of all update data without anchor */
+ update_memory_size = sizeof(struct imsm_update_size_change);
+
+ u = xcalloc(1, update_memory_size);
+ u->type = update_size_change;
+ u->subdev = super->current_vol;
+ u->new_size = geo->size;
+
+ dprintf("imsm: reshape update preparation : OK\n");
+ *updatep = u;
+
+ return update_memory_size;
+}
+
/******************************************************************************
* function: imsm_create_metadata_update_for_migration()
* Creates update for IMSM array.
/* size of all update data without anchor */
update_memory_size = sizeof(struct imsm_update_reshape_migration);
- u = calloc(1, update_memory_size);
- if (u == NULL) {
- dprintf("error: cannot get memory for "
- "imsm_create_metadata_update_for_migration\n");
- return 0;
- }
+ u = xcalloc(1, update_memory_size);
u->type = update_reshape_migration;
u->subdev = super->current_vol;
u->new_level = geo->level;
if (dev) {
struct imsm_map *map;
- map = get_imsm_map(dev, 0);
+ map = get_imsm_map(dev, MAP_0);
if (map) {
int current_chunk_size =
__le16_to_cpu(map->blocks_per_strip) / 2;
* Function: imsm_analyze_change
* Description: Function analyze change for single volume
* and validate if transition is supported
-* Parameters: Geometry parameters, supertype structure
+* Parameters: Geometry parameters, supertype structure,
+* metadata change direction (apply/rollback)
* Returns: Operation type code on success, -1 if fail
****************************************************************************/
enum imsm_reshape_type imsm_analyze_change(struct supertype *st,
- struct geo_params *geo)
+ struct geo_params *geo,
+ int direction)
{
struct mdinfo info;
int change = -1;
int check_devs = 0;
int chunk;
- int devNumChange=0;
- int layout = -1;
+ /* number of added/removed disks in operation result */
+ int devNumChange = 0;
+ /* imsm compatible layout value for array geometry verification */
+ int imsm_layout = -1;
+ int data_disks;
+ struct imsm_dev *dev;
+ struct intel_super *super;
+ long long current_size;
+ unsigned long long free_size;
+ long long max_size;
+ int rv;
getinfo_super_imsm_volume(st, &info, NULL);
if ((geo->level != info.array.level) &&
if (geo->level == 5) {
change = CH_MIGRATION;
if (geo->layout != ALGORITHM_LEFT_ASYMMETRIC) {
- fprintf(stderr,
- Name " Error. Requested Layout "
- "not supported (left-asymmetric layout "
- "is supported only)!\n");
+ pr_err("Error. Requested Layout "
+ "not supported (left-asymmetric layout "
+ "is supported only)!\n");
change = -1;
goto analyse_change_exit;
}
- layout = geo->layout;
+ imsm_layout = geo->layout;
check_devs = 1;
devNumChange = 1; /* parity disk added */
} else if (geo->level == 10) {
change = CH_TAKEOVER;
check_devs = 1;
devNumChange = 2; /* two mirrors added */
- layout = 0x102; /* imsm supported layout */
+ imsm_layout = 0x102; /* imsm supported layout */
}
break;
case 1:
change = CH_TAKEOVER;
check_devs = 1;
devNumChange = -(geo->raid_disks/2);
- layout = 0; /* imsm raid0 layout */
+ imsm_layout = 0; /* imsm raid0 layout */
}
break;
}
if (change == -1) {
- fprintf(stderr,
- Name " Error. Level Migration from %d to %d "
- "not supported!\n",
- info.array.level, geo->level);
+ pr_err("Error. Level Migration from %d to %d "
+ "not supported!\n",
+ info.array.level, geo->level);
goto analyse_change_exit;
}
} else
geo->layout = 0;
geo->level = 5;
} else {
- fprintf(stderr,
- Name " Error. Layout Migration from %d to %d "
- "not supported!\n",
- info.array.layout, geo->layout);
+ pr_err("Error. Layout Migration from %d to %d "
+ "not supported!\n",
+ info.array.layout, geo->layout);
change = -1;
goto analyse_change_exit;
}
- } else
+ } else {
geo->layout = info.array.layout;
+ if (imsm_layout == -1)
+ imsm_layout = info.array.layout;
+ }
if ((geo->chunksize > 0) && (geo->chunksize != UnSet)
&& (geo->chunksize != info.array.chunk_size))
geo->chunksize = info.array.chunk_size;
chunk = geo->chunksize / 1024;
+
+ super = st->sb;
+ dev = get_imsm_dev(super, super->current_vol);
+ data_disks = imsm_num_data_members(dev , MAP_0);
+ /* compute current size per disk member
+ */
+ current_size = info.custom_array_size / data_disks;
+
+ if (geo->size > 0) {
+ /* align component size
+ */
+ geo->size = imsm_component_size_aligment_check(
+ get_imsm_raid_level(dev->vol.map),
+ chunk * 1024,
+ geo->size * 2);
+ }
+
+ if ((current_size != geo->size) && (geo->size >= 0)) {
+ if (change != -1) {
+ pr_err("Error. Size change should be the only "
+ "one at a time.\n");
+ change = -1;
+ goto analyse_change_exit;
+ }
+ if ((super->current_vol + 1) != super->anchor->num_raid_devs) {
+ pr_err("Error. The last volume in container "
+ "can be expanded only (%i/%i).\n",
+ super->current_vol, st->devnum);
+ goto analyse_change_exit;
+ }
+ /* check the maximum available size
+ */
+ rv = imsm_get_free_size(st, dev->vol.map->num_members,
+ 0, chunk, &free_size);
+ if (rv == 0)
+ /* Cannot find maximum available space
+ */
+ max_size = 0;
+ else {
+ max_size = free_size + current_size;
+ /* align component size
+ */
+ max_size = imsm_component_size_aligment_check(
+ get_imsm_raid_level(dev->vol.map),
+ chunk * 1024,
+ max_size);
+ }
+ if (geo->size == 0) {
+ /* requested size change to the maximum available size
+ */
+ if (max_size == 0) {
+ pr_err("Error. Cannot find "
+ "maximum available space.\n");
+ change = -1;
+ goto analyse_change_exit;
+ } else
+ geo->size = max_size;
+ }
+
+ if ((direction == ROLLBACK_METADATA_CHANGES)) {
+ /* accept size for rollback only
+ */
+ } else {
+ /* round size due to metadata compatibility
+ */
+ geo->size = (geo->size >> SECT_PER_MB_SHIFT)
+ << SECT_PER_MB_SHIFT;
+ dprintf("Prepare update for size change to %llu\n",
+ geo->size );
+ if (current_size >= geo->size) {
+ pr_err("Error. Size expansion is "
+ "supported only (current size is %llu, "
+ "requested size /rounded/ is %llu).\n",
+ current_size, geo->size);
+ goto analyse_change_exit;
+ }
+ if (max_size && geo->size > max_size) {
+ pr_err("Error. Requested size is larger "
+ "than maximum available size (maximum "
+ "available size is %llu, "
+ "requested size /rounded/ is %llu).\n",
+ max_size, geo->size);
+ goto analyse_change_exit;
+ }
+ }
+ geo->size *= data_disks;
+ geo->raid_disks = dev->vol.map->num_members;
+ change = CH_ARRAY_SIZE;
+ }
if (!validate_geometry_imsm(st,
geo->level,
- layout,
+ imsm_layout,
geo->raid_disks + devNumChange,
&chunk,
geo->size,
struct imsm_super *mpb = super->anchor;
if (mpb->num_raid_devs > 1) {
- fprintf(stderr,
- Name " Error. Cannot perform operation on %s"
- "- for this operation it MUST be single "
- "array in container\n",
- geo->dev_name);
+ pr_err("Error. Cannot perform operation on %s"
+ "- for this operation it MUST be single "
+ "array in container\n",
+ geo->dev_name);
change = -1;
}
}
analyse_change_exit:
-
+ if ((direction == ROLLBACK_METADATA_CHANGES) &&
+ ((change == CH_MIGRATION) || (change == CH_TAKEOVER))) {
+ dprintf("imsm: Metadata changes rollback is not supported for "
+ "migration and takeover operations.\n");
+ change = -1;
+ }
return change;
}
struct intel_super *super = st->sb;
struct imsm_update_takeover *u;
- u = malloc(sizeof(struct imsm_update_takeover));
- if (u == NULL)
- return 1;
+ u = xmalloc(sizeof(struct imsm_update_takeover));
u->type = update_takeover;
u->subarray = super->current_vol;
static int imsm_reshape_super(struct supertype *st, long long size, int level,
int layout, int chunksize, int raid_disks,
int delta_disks, char *backup, char *dev,
- int verbose)
+ int direction, int verbose)
{
int ret_val = 1;
struct geo_params geo;
int old_raid_disks = 0;
if (imsm_reshape_is_allowed_on_container(
- st, &geo, &old_raid_disks)) {
+ st, &geo, &old_raid_disks, direction)) {
struct imsm_update_reshape *u = NULL;
int len;
free(u);
} else {
- fprintf(stderr, Name ": (imsm) Operation "
+ pr_err("(imsm) Operation "
"is not allowed on this container\n");
}
} else {
dev = dev->next;
}
if (dev == NULL) {
- fprintf(stderr, Name " Cannot find %s (%i) subarray\n",
+ pr_err("Cannot find %s (%i) subarray\n",
geo.dev_name, geo.dev_id);
goto exit_imsm_reshape_super;
}
super->current_vol = dev->index;
- change = imsm_analyze_change(st, &geo);
+ change = imsm_analyze_change(st, &geo, direction);
switch (change) {
case CH_TAKEOVER:
ret_val = imsm_takeover(st, &geo);
free(u);
}
break;
+ case CH_ARRAY_SIZE: {
+ struct imsm_update_size_change *u = NULL;
+ int len =
+ imsm_create_metadata_update_for_size_change(
+ st, &geo, &u);
+ if (len < 1) {
+ dprintf("imsm: "
+ "Cannot prepare update\n");
+ break;
+ }
+ ret_val = 0;
+ /* update metadata locally */
+ imsm_update_metadata_locally(st, u, len);
+ /* and possibly remotely */
+ if (st->update_tail)
+ append_metadata_update(st, u, len);
+ else
+ free(u);
+ }
+ break;
default:
ret_val = 1;
}
int degraded)
{
unsigned long long new_degraded;
- sysfs_get_ll(info, NULL, "degraded", &new_degraded);
- if (new_degraded != (unsigned long long)degraded) {
+ int rv;
+
+ rv = sysfs_get_ll(info, NULL, "degraded", &new_degraded);
+ if ((rv == -1) || (new_degraded != (unsigned long long)degraded)) {
/* check each device to ensure it is still working */
struct mdinfo *sd;
new_degraded = 0;
}
/* Only one volume can migrate at the same time */
if (migr_vol_qan != 1) {
- fprintf(stderr, Name " : %s", migr_vol_qan ?
+ pr_err(": %s", migr_vol_qan ?
"Number of migrating volumes greater than 1\n" :
"There is no volume during migrationg\n");
goto abort;
}
- map_src = get_imsm_map(dev, 1);
+ map_src = get_imsm_map(dev, MAP_1);
if (map_src == NULL)
goto abort;
- ndata = imsm_num_data_members(dev, 0);
- odata = imsm_num_data_members(dev, 1);
+ ndata = imsm_num_data_members(dev, MAP_0);
+ odata = imsm_num_data_members(dev, MAP_1);
chunk = __le16_to_cpu(map_src->blocks_per_strip) * 512;
old_data_stripe_length = odata * chunk;
"are present in copy area.\n");
goto abort;
}
+ /* Save checkpoint to update migration record for current
+ * reshape position (in md). It can be farther than current
+ * reshape position in metadata.
+ */
+ if (save_checkpoint_imsm(st, sra, UNIT_SRC_NORMAL) == 1) {
+ /* ignore error == 2, this can mean end of reshape here
+ */
+ dprintf("imsm: Cannot write checkpoint to "
+ "migration record (UNIT_SRC_NORMAL, "
+ "initial save)\n");
+ goto abort;
+ }
}
/* size for data */
projects / thirdparty / mdadm.git / blobdiff