struct md_list *next;
};
-#define pr_vrb(fmt, arg...) (void) (verbose && fprintf(stderr, Name fmt, ##arg))
+#define pr_vrb(fmt, arg...) (void) (verbose && pr_err(fmt, ##arg))
static __u8 migr_type(struct imsm_dev *dev)
{
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;
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)
{
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)
{
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(" Max Disks : %d\n", orom->tds);
- printf(" Max Volumes : %d\n", orom->vpa);
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 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;
}
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:
get_dev_size(fd, NULL, &dsize);
if (lseek64(fd, dsize - MIGR_REC_POSITION, SEEK_SET) < 0) {
- fprintf(stderr,
- Name ": Cannot seek to anchor block: %s\n",
- strerror(errno));
+ pr_err("Cannot seek to anchor block: %s\n",
+ strerror(errno));
goto out;
}
if (read(fd, super->migr_rec_buf, MIGR_REC_BUF_SIZE) !=
MIGR_REC_BUF_SIZE) {
- fprintf(stderr,
- Name ": Cannot read migr record block: %s\n",
- strerror(errno));
+ pr_err("Cannot read migr record block: %s\n",
+ strerror(errno));
goto out;
}
ret_val = 0;
continue;
get_dev_size(fd, NULL, &dsize);
if (lseek64(fd, dsize - MIGR_REC_POSITION, SEEK_SET) < 0) {
- fprintf(stderr,
- Name ": Cannot seek to anchor block: %s\n",
- strerror(errno));
+ pr_err("Cannot seek to anchor block: %s\n",
+ strerror(errno));
goto out;
}
if (write(fd, super->migr_rec_buf, MIGR_REC_BUF_SIZE) !=
MIGR_REC_BUF_SIZE) {
- fprintf(stderr,
- Name ": Cannot write migr record block: %s\n",
- strerror(errno));
+ 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 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));
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;
dl = super->disks;
mddev = malloc(sizeof(*mddev));
if (!mddev) {
- fprintf(stderr, Name ": Failed to allocate memory.\n");
+ pr_err("Failed to allocate memory.\n");
return NULL;
}
memset(mddev, 0, sizeof(*mddev));
disk = &dl->disk;
tmp = malloc(sizeof(*tmp));
if (!tmp) {
- fprintf(stderr, Name ": Failed to allocate memory.\n");
+ pr_err("Failed to allocate memory.\n");
if (mddev)
sysfs_free(mddev);
return NULL;
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];
dl = calloc(1, sizeof(*dl));
if (!dl) {
if (devname)
- fprintf(stderr,
- Name ": failed to allocate disk buffer for %s\n",
- devname);
+ pr_err("failed to allocate disk buffer for %s\n",
+ devname);
return 2;
}
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;
}
free(anchor);
if (posix_memalign(&super->migr_rec_buf, 512, MIGR_REC_BUF_SIZE) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate migr_rec buffer\n", __func__);
+ pr_err("%s could not allocate migr_rec buffer\n", __func__);
free(super->buf);
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 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;
}
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 (s == champion)
continue;
+ mpb->attributes |= s->anchor->attributes & MPB_ATTRIB_2TB_DISK;
+
for (i = 0; i < mpb->num_disks; i++) {
struct imsm_disk *disk;
/* Check migration compatibility */
if ((err == 0) && (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
int lmax = 0;
int fd = dev_open(tmpdev->devname, O_RDONLY|O_EXCL);
if (fd < 0) {
- fprintf(stderr, Name ": cannot open device %s: %s\n",
+ pr_err("cannot open device %s: %s\n",
tmpdev->devname, strerror(errno));
err = 8;
goto error;
} else {
if (s)
free(s);
- if (dfd)
+ if (dfd >= 0)
close(dfd);
}
if ((dfd >= 0) && (!keep_fd))
super = alloc_super();
if (!super) {
- fprintf(stderr,
- Name ": malloc of %zu failed.\n",
- sizeof(*super));
+ pr_err("malloc of %zu failed.\n",
+ sizeof(*super));
return 1;
}
/* Load hba and capabilities if they exist.
/* 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
}
if (reason && !quiet)
- fprintf(stderr, Name ": imsm volume name %s\n", reason);
+ pr_err("imsm volume name %s\n", reason);
return !reason;
}
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,
MIGR_REC_BUF_SIZE) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate migr_rec buffer\n",
- __func__);
+ 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;
}
}
return 0;
dv = malloc(sizeof(*dv));
if (!dv) {
- fprintf(stderr, Name ": failed to allocate device list entry\n");
+ pr_err("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");
+ pr_err("could not allocate raid device\n");
return 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;
}
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, MIGR_REC_BUF_SIZE) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate migr_rec buffer\n", __func__);
+ pr_err("%s could not allocate migr_rec buffer\n", __func__);
free(super->buf);
free(super);
return 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;
}
slot = get_imsm_disk_slot(map, dl->index);
if (slot >= 0 &&
(get_imsm_ord_tbl_ent(dev, slot, MAP_X) & IMSM_ORD_REBUILD) == 0) {
- fprintf(stderr, Name ": %s has been included in this array twice\n",
+ pr_err("%s has been included in this array twice\n",
devname);
return 1;
}
_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;
fstat(fd, &stb);
dd = malloc(sizeof(*dd));
if (!dd) {
- fprintf(stderr,
- Name ": malloc failed %s:%d.\n", __func__, __LINE__);
+ pr_err("malloc failed %s:%d.\n", __func__, __LINE__);
return 1;
}
memset(dd, 0, sizeof(*dd));
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();
}
* 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__);
+ pr_err("malloc failed %s:%d.\n", __func__, __LINE__);
return 1;
}
memset(dd, 0, sizeof(*dd));
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;
}
*/
super = alloc_super();
if (!super) {
- fprintf(stderr,
- Name ": malloc of %zu failed.\n",
- sizeof(*super));
+ pr_err("malloc of %zu failed.\n",
+ sizeof(*super));
close(fd);
return 0;
}
if (super->orom) {
if (raiddisks > super->orom->tds) {
if (verbose)
- fprintf(stderr, Name ": %d exceeds maximum number of"
+ pr_err("%d exceeds maximum number of"
" platform supported disks: %d\n",
raiddisks, super->orom->tds);
free_imsm(super);
if ((super->orom->attr & IMSM_OROM_ATTR_2TB_DISK) == 0 &&
(ldsize >> 9) >> 32 > 0) {
if (verbose)
- fprintf(stderr, Name ": %s exceeds maximum platform supported size\n", dev);
+ pr_err("%s exceeds maximum platform supported size\n", dev);
free_imsm(super);
return 0;
}
if (*devlist && (found < dpa)) {
dv = calloc(1, sizeof(*dv));
if (dv == NULL)
- fprintf(stderr, Name ": calloc failed\n");
+ pr_err("calloc failed\n");
else {
dv->devname = malloc(strlen(memb->dev) + strlen("/dev/") + 1);
if (dv->devname != NULL) {
for(i = 0; i < 12; i++) {
dv = calloc(1, sizeof(*dv));
if (dv == NULL) {
- fprintf(stderr, Name ": calloc failed\n");
+ pr_err("calloc failed\n");
break;
}
dv->devname = malloc(40);
if (dv->devname == NULL) {
- fprintf(stderr, Name ": malloc failed\n");
+ pr_err("malloc failed\n");
free(dv);
break;
}
fd2devname(fd, buf);
close(fd);
} else {
- fprintf(stderr, Name ": cannot open device: %s\n",
+ pr_err("cannot open device: %s\n",
ent->d_name);
continue;
}
dv = calloc(1, sizeof(*dv));
if (dv == NULL) {
- fprintf(stderr, Name ": malloc failed\n");
+ pr_err("malloc failed\n");
err = 1;
break;
}
dv->devname = strdup(buf);
if (dv->devname == NULL) {
- fprintf(stderr, Name ": malloc failed\n");
+ pr_err("malloc failed\n");
err = 1;
free(dv);
break;
free(dv);
}
}
+ closedir(dir);
return devlist;
}
mpb = super->anchor;
if (!validate_geometry_imsm_orom(super, level, layout, raiddisks, chunk, size, verbose)) {
- fprintf(stderr, Name ": RAID gemetry validation failed. "
+ 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) {
- 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;
}
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) {
if (maxsize == 0)
- fprintf(stderr, Name ": no free space"
+ pr_err("no free space"
" left on device. Aborting...\n");
else
- fprintf(stderr, Name ": not enough space"
+ pr_err("not enough space"
" to create volume of given size"
" (%llu < %llu). Aborting...\n",
maxsize, size);
int count = count_volumes(super->hba->path,
super->orom->dpa, verbose);
if (super->orom->vphba <= count) {
- pr_vrb(": platform does not support more then %d raid volumes.\n",
+ 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 */
}
}
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;
*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,
super->orom->dpa, verbose);
if (super->orom->vphba <= count) {
pr_vrb(": platform does not support more"
- "then %d raid volumes.\n",
+ " than %d raid volumes.\n",
super->orom->vphba);
return 0;
}
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;
}
}
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;
}
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;
}
/* 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;
}
*/
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;
this = malloc(sizeof(*this));
if (!this) {
- fprintf(stderr, Name ": failed to allocate %zu bytes\n",
+ pr_err("failed to allocate %zu bytes\n",
sizeof(*this));
break;
}
map->num_members, /* raid disks */
&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 |=
info_d = calloc(1, sizeof(*info_d));
if (!info_d) {
- fprintf(stderr, Name ": failed to allocate disk"
- " for volume %.16s\n", dev->volume);
+ pr_err("failed to allocate disk"
+ " for volume %.16s\n", dev->volume);
info_d = this->devs;
while (info_d) {
struct mdinfo *d = info_d->next;
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, MAP_0);
unsigned long long array_blocks;
/* set array size in metadata
*/
- map = get_imsm_map(dev, MAP_0);
- array_blocks = blocks_per_member(map) * 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
*/
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++;
}
struct imsm_dev *dev = get_imsm_dev(super, inst);
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("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;
*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 active_array *active_array)
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;
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))
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;
start,
length,
buf) != 0) {
- fprintf(stderr, Name ": Error restoring stripes\n");
+ pr_err("Error restoring stripes\n");
goto abort;
}
goto abort;
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;
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 = calloc(1, update_memory_size);
+ if (u == NULL) {
+ dprintf("error: cannot get memory for "
+ "imsm_create_metadata_update_for_size_change\n");
+ return 0;
+ }
+ 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.
* 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 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;
}
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;
}
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,
imsm_layout,
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;
}
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;
projects / thirdparty / mdadm.git / blobdiff