struct supertype *st = NULL;
char *subarray = NULL;
- if (ioctl(fd, GET_ARRAY_INFO, &info.array) < 0) {
+ if (md_get_array_info(fd, &info.array) < 0) {
pr_err("cannot get array info for %s\n", devname);
return 1;
}
* Now go through and update all superblocks
*/
- if (ioctl(fd, GET_ARRAY_INFO, &info.array) < 0) {
+ if (md_get_array_info(fd, &info.array) < 0) {
pr_err("cannot get array info for %s\n", devname);
return 1;
}
devname, bmf.pathname);
return 1;
}
- if (ioctl(fd, GET_ARRAY_INFO, &array) != 0) {
+ if (md_get_array_info(fd, &array) != 0) {
pr_err("cannot get array status for %s\n", devname);
return 1;
}
return 0;
}
+int Grow_consistency_policy(char *devname, int fd, struct context *c, struct shape *s)
+{
+ struct supertype *st;
+ struct mdinfo *sra;
+ struct mdinfo *sd;
+ char *subarray = NULL;
+ int ret = 0;
+ char container_dev[PATH_MAX];
+
+ if (s->consistency_policy != CONSISTENCY_POLICY_RESYNC &&
+ s->consistency_policy != CONSISTENCY_POLICY_PPL) {
+ pr_err("Operation not supported for consistency policy %s\n",
+ map_num(consistency_policies, s->consistency_policy));
+ return 1;
+ }
+
+ st = super_by_fd(fd, &subarray);
+ if (!st)
+ return 1;
+
+ sra = sysfs_read(fd, NULL, GET_CONSISTENCY_POLICY|GET_LEVEL|
+ GET_DEVS|GET_STATE);
+ if (!sra) {
+ ret = 1;
+ goto free_st;
+ }
+
+ if (s->consistency_policy == CONSISTENCY_POLICY_PPL &&
+ !st->ss->write_init_ppl) {
+ pr_err("%s metadata does not support PPL\n", st->ss->name);
+ ret = 1;
+ goto free_info;
+ }
+
+ if (sra->array.level != 5) {
+ pr_err("Operation not supported for array level %d\n",
+ sra->array.level);
+ ret = 1;
+ goto free_info;
+ }
+
+ if (sra->consistency_policy == (unsigned)s->consistency_policy) {
+ pr_err("Consistency policy is already %s\n",
+ map_num(consistency_policies, s->consistency_policy));
+ ret = 1;
+ goto free_info;
+ } else if (sra->consistency_policy != CONSISTENCY_POLICY_RESYNC &&
+ sra->consistency_policy != CONSISTENCY_POLICY_PPL) {
+ pr_err("Current consistency policy is %s, cannot change to %s\n",
+ map_num(consistency_policies, sra->consistency_policy),
+ map_num(consistency_policies, s->consistency_policy));
+ ret = 1;
+ goto free_info;
+ }
+
+ if (subarray) {
+ char *update;
+
+ if (s->consistency_policy == CONSISTENCY_POLICY_PPL)
+ update = "ppl";
+ else
+ update = "no-ppl";
+
+ sprintf(container_dev, "/dev/%s", st->container_devnm);
+
+ ret = Update_subarray(container_dev, subarray, update, NULL,
+ c->verbose);
+ if (ret)
+ goto free_info;
+ }
+
+ if (s->consistency_policy == CONSISTENCY_POLICY_PPL) {
+ struct mdinfo info;
+
+ if (subarray) {
+ struct mdinfo *mdi;
+ int cfd;
+
+ cfd = open(container_dev, O_RDWR|O_EXCL);
+ if (cfd < 0) {
+ pr_err("Failed to open %s\n", container_dev);
+ ret = 1;
+ goto free_info;
+ }
+
+ ret = st->ss->load_container(st, cfd, st->container_devnm);
+ close(cfd);
+
+ if (ret) {
+ pr_err("Cannot read superblock for %s\n",
+ container_dev);
+ goto free_info;
+ }
+
+ mdi = st->ss->container_content(st, subarray);
+ info = *mdi;
+ free(mdi);
+ }
+
+ for (sd = sra->devs; sd; sd = sd->next) {
+ int dfd;
+ char *devpath;
+
+ if ((sd->disk.state & (1 << MD_DISK_SYNC)) == 0)
+ continue;
+
+ devpath = map_dev(sd->disk.major, sd->disk.minor, 0);
+ dfd = dev_open(devpath, O_RDWR);
+ if (dfd < 0) {
+ pr_err("Failed to open %s\n", devpath);
+ ret = 1;
+ goto free_info;
+ }
+
+ if (!subarray) {
+ ret = st->ss->load_super(st, dfd, NULL);
+ if (ret) {
+ pr_err("Failed to load super-block.\n");
+ close(dfd);
+ goto free_info;
+ }
+
+ ret = st->ss->update_super(st, sra, "ppl", devname,
+ c->verbose, 0, NULL);
+ if (ret) {
+ close(dfd);
+ st->ss->free_super(st);
+ goto free_info;
+ }
+ st->ss->getinfo_super(st, &info, NULL);
+ }
+
+ ret |= sysfs_set_num(sra, sd, "ppl_sector", info.ppl_sector);
+ ret |= sysfs_set_num(sra, sd, "ppl_size", info.ppl_size);
+
+ if (ret) {
+ pr_err("Failed to set PPL attributes for %s\n",
+ sd->sys_name);
+ close(dfd);
+ st->ss->free_super(st);
+ goto free_info;
+ }
+
+ ret = st->ss->write_init_ppl(st, &info, dfd);
+ if (ret)
+ pr_err("Failed to write PPL\n");
+
+ close(dfd);
+
+ if (!subarray)
+ st->ss->free_super(st);
+
+ if (ret)
+ goto free_info;
+ }
+ }
+
+ ret = sysfs_set_str(sra, NULL, "consistency_policy",
+ map_num(consistency_policies,
+ s->consistency_policy));
+ if (ret)
+ pr_err("Failed to change array consistency policy\n");
+
+free_info:
+ sysfs_free(sra);
+free_st:
+ free(st);
+ free(subarray);
+
+ return ret;
+}
+
/*
* When reshaping an array we might need to backup some data.
* This is written to all spares with a 'super_block' describing it.
* raid5 with 2 disks, or
* raid0 with 1 disk
*/
- if (info->new_level > 1 &&
- (info->component_size & 7))
+ if (info->new_level > 1 && (info->component_size & 7))
return "Cannot convert RAID1 of this size - reduce size to multiple of 4K first.";
if (info->new_level == 0) {
if (info->delta_disks != UnSet &&
re->level = 1;
return NULL;
}
- if (info->array.raid_disks != 2 &&
- info->new_level == 5)
+ if (info->array.raid_disks != 2 && info->new_level == 5)
return "Can only convert a 2-device array to RAID5";
- if (info->array.raid_disks == 2 &&
- info->new_level == 5) {
-
+ if (info->array.raid_disks == 2 && info->new_level == 5) {
re->level = 5;
re->before.data_disks = 1;
if (info->delta_disks != UnSet &&
case 0:
/* RAID0 can be converted to RAID10, or to RAID456 */
if (info->new_level == 10) {
- if (info->new_layout == UnSet && info->delta_disks == UnSet) {
+ if (info->new_layout == UnSet &&
+ info->delta_disks == UnSet) {
/* Assume near=2 layout */
info->new_layout = 0x102;
info->delta_disks = info->array.raid_disks;
if (info->delta_disks == UnSet)
info->delta_disks = delta_parity;
- re->after.data_disks = (re->before.data_disks
- + info->delta_disks
- - delta_parity);
+ re->after.data_disks =
+ (re->before.data_disks + info->delta_disks - delta_parity);
+
switch (re->level) {
- case 6: re->parity = 2;
+ case 6:
+ re->parity = 2;
break;
case 4:
- case 5: re->parity = 1;
+ case 5:
+ re->parity = 1;
break;
- default: re->parity = 0;
+ default:
+ re->parity = 0;
break;
}
/* So we have a restripe operation, we need to calculate the number
if (text_version == NULL)
text_version = sra->text_version;
- subarray = strchr(text_version+1, '/')+1;
+ subarray = strchr(text_version + 1, '/')+1;
info = st->ss->container_content(st, subarray);
if (info) {
unsigned long long current_size = 0;
struct mdinfo info;
struct mdinfo *sra;
- if (ioctl(fd, GET_ARRAY_INFO, &array) < 0) {
+ if (md_get_array_info(fd, &array) < 0) {
pr_err("%s is not an active md array - aborting\n",
devname);
return 1;
}
- if (data_offset != INVALID_SECTORS && array.level != 10
- && (array.level < 4 || array.level > 6)) {
+ if (data_offset != INVALID_SECTORS && array.level != 10 &&
+ (array.level < 4 || array.level > 6)) {
pr_err("--grow --data-offset not yet supported\n");
return 1;
}
return 1;
}
- if (s->raiddisks && s->raiddisks < array.raid_disks && array.level > 1 &&
- get_linux_version() < 2006032 &&
+ if (s->raiddisks && s->raiddisks < array.raid_disks &&
+ array.level > 1 && get_linux_version() < 2006032 &&
!check_env("MDADM_FORCE_FEWER")) {
pr_err("reducing the number of devices is not safe before Linux 2.6.32\n"
" Please use a newer kernel\n");
/* check if reshape is allowed based on metadata
* indications stored in content.array.status
*/
- if (content->array.state & (1<<MD_SB_BLOCK_VOLUME))
+ if (content->array.state &
+ (1 << MD_SB_BLOCK_VOLUME))
allow_reshape = 0;
- if (content->array.state
- & (1<<MD_SB_BLOCK_CONTAINER_RESHAPE))
+ if (content->array.state &
+ (1 << MD_SB_BLOCK_CONTAINER_RESHAPE))
allow_reshape = 0;
if (!allow_reshape) {
pr_err("cannot reshape arrays in container with unsupported metadata: %s(%s)\n",
for (dv = devlist; dv; dv = dv->next)
added_disks++;
if (s->raiddisks > array.raid_disks &&
- array.spare_disks +added_disks < (s->raiddisks - array.raid_disks) &&
+ array.spare_disks + added_disks < (s->raiddisks - array.raid_disks) &&
!c->force) {
pr_err("Need %d spare%s to avoid degraded array, and only have %d.\n"
" Use --force to over-ride this check.\n",
return 1;
}
- sra = sysfs_read(fd, NULL, GET_LEVEL | GET_DISKS | GET_DEVS
- | GET_STATE | GET_VERSION);
+ sra = sysfs_read(fd, NULL, GET_LEVEL | GET_DISKS | GET_DEVS |
+ GET_STATE | GET_VERSION);
if (sra) {
if (st->ss->external && subarray == NULL) {
array.level = LEVEL_CONTAINER;
}
/* ========= set size =============== */
- if (s->size > 0 && (s->size == MAX_SIZE || s->size != (unsigned)array.size)) {
+ if (s->size > 0 &&
+ (s->size == MAX_SIZE || s->size != (unsigned)array.size)) {
unsigned long long orig_size = get_component_size(fd)/2;
unsigned long long min_csize;
struct mdinfo *mdi;
}
if (reshape_super(st, s->size, UnSet, UnSet, 0, 0, UnSet, NULL,
- devname, APPLY_METADATA_CHANGES, c->verbose > 0)) {
+ devname, APPLY_METADATA_CHANGES,
+ c->verbose > 0)) {
rv = 1;
goto release;
}
sizeinfo->array.layout,
sizeinfo->array.raid_disks);
new_size /= data_disks;
- dprintf("Metadata size correction from %llu to %llu (%llu)\n", orig_size, new_size,
+ dprintf("Metadata size correction from %llu to %llu (%llu)\n",
+ orig_size, new_size,
new_size * data_disks);
s->size = new_size;
sysfs_free(sizeinfo);
/* get array parameters after takeover
* to change one parameter at time only
*/
- rv = ioctl(fd, GET_ARRAY_INFO, &array);
+ rv = md_get_array_info(fd, &array);
}
}
/* make sure mdmon is
/* go back to raid0, drop parity disk
*/
sysfs_set_str(sra, NULL, "level", "raid0");
- ioctl(fd, GET_ARRAY_INFO, &array);
+ md_get_array_info(fd, &array);
}
size_change_error:
sysfs_set_str(sra, NULL, "resync_start", "none") < 0)
pr_err("--assume-clean not supported with --grow on this kernel\n");
}
- ioctl(fd, GET_ARRAY_INFO, &array);
+ md_get_array_info(fd, &array);
s->size = get_component_size(fd)/2;
if (s->size == 0)
s->size = array.size;
rv =1 ;
}
if (s->layout_str) {
- if (ioctl(fd, GET_ARRAY_INFO, &array) != 0) {
+ if (md_get_array_info(fd, &array) != 0) {
dprintf("Cannot get array information.\n");
goto release;
}
* reshape->after.data_disks);
}
- ioctl(fd, GET_ARRAY_INFO, &array);
+ md_get_array_info(fd, &array);
if (info->array.chunk_size == info->new_chunk &&
reshape->before.layout == reshape->after.layout &&
st->ss->external == 0) {
struct mdinfo info;
sysfs_init(&info, fd, NULL);
- ioctl(fd, GET_ARRAY_INFO, &array);
+ md_get_array_info(fd, &array);
if (level == 0 &&
(array.level >= 4 && array.level <= 6)) {
/* To convert to RAID0 we need to fail and
makedev(disk.major, disk.minor));
}
/* Now fail anything left */
- ioctl(fd, GET_ARRAY_INFO, &array);
+ md_get_array_info(fd, &array);
for (d = 0, found = 0;
d < MAX_DISKS && found < array.nr_disks;
d++) {
/* when reshaping a RAID0, the component_size might be zero.
* So try to fix that up.
*/
- if (ioctl(fd, GET_ARRAY_INFO, &array) != 0) {
+ if (md_get_array_info(fd, &array) != 0) {
dprintf("Cannot get array information.\n");
goto release;
}
* some more changes: layout, raid_disks, chunk_size
*/
/* read current array info */
- if (ioctl(fd, GET_ARRAY_INFO, &array) != 0) {
+ if (md_get_array_info(fd, &array) != 0) {
dprintf("Cannot get array information.\n");
goto release;
}
int d;
int cnt = 5;
dprintf_cont("native array (%s)\n", devname);
- if (ioctl(fd, GET_ARRAY_INFO, &array.array) < 0) {
- pr_err("%s is not an active md array - aborting\n", devname);
+ if (md_get_array_info(fd, &array.array) < 0) {
+ pr_err("%s is not an active md array - aborting\n",
+ devname);
ret_val = 1;
goto Grow_continue_command_exit;
}
projects / thirdparty / mdadm.git / blobdiff