mddev->suspended = 0;
wake_up(&mddev->sb_wait);
mddev->pers->quiesce(mddev, 0);
+
+ md_wakeup_thread(mddev->thread);
+ md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
}
EXPORT_SYMBOL_GPL(mddev_resume);
ret = -EINVAL;
bdevname(rdev->bdev, b);
- sb = (mdp_super_t*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
if (sb->md_magic != MD_SB_MAGIC) {
printk(KERN_ERR "md: invalid raid superblock magic on %s\n",
ret = 1;
} else {
__u64 ev1, ev2;
- mdp_super_t *refsb = (mdp_super_t*)page_address(refdev->sb_page);
+ mdp_super_t *refsb = page_address(refdev->sb_page);
if (!uuid_equal(refsb, sb)) {
printk(KERN_WARNING "md: %s has different UUID to %s\n",
b, bdevname(refdev->bdev,b2));
static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
{
mdp_disk_t *desc;
- mdp_super_t *sb = (mdp_super_t *)page_address(rdev->sb_page);
+ mdp_super_t *sb = page_address(rdev->sb_page);
__u64 ev1 = md_event(sb);
rdev->raid_disk = -1;
rdev->sb_size = MD_SB_BYTES;
- sb = (mdp_super_t*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
memset(sb, 0, sizeof(*sb));
if (ret) return ret;
- sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
if (sb->magic != cpu_to_le32(MD_SB_MAGIC) ||
sb->major_version != cpu_to_le32(1) ||
ret = 1;
} else {
__u64 ev1, ev2;
- struct mdp_superblock_1 *refsb =
- (struct mdp_superblock_1*)page_address(refdev->sb_page);
+ struct mdp_superblock_1 *refsb = page_address(refdev->sb_page);
if (memcmp(sb->set_uuid, refsb->set_uuid, 16) != 0 ||
sb->level != refsb->level ||
static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
{
- struct mdp_superblock_1 *sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
+ struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
__u64 ev1 = le64_to_cpu(sb->events);
rdev->raid_disk = -1;
int max_dev, i;
/* make rdev->sb match mddev and rdev data. */
- sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
sb->feature_map = 0;
sb->pad0 = 0;
num_sectors = max_sectors;
rdev->sb_start = sb_start;
}
- sb = (struct mdp_superblock_1 *) page_address(rdev->sb_page);
+ sb = page_address(rdev->sb_page);
sb->data_size = cpu_to_le64(num_sectors);
sb->super_offset = rdev->sb_start;
sb->sb_csum = calc_sb_1_csum(sb);
},
};
+static void sync_super(mddev_t *mddev, mdk_rdev_t *rdev)
+{
+ if (mddev->sync_super) {
+ mddev->sync_super(mddev, rdev);
+ return;
+ }
+
+ BUG_ON(mddev->major_version >= ARRAY_SIZE(super_types));
+
+ super_types[mddev->major_version].sync_super(mddev, rdev);
+}
+
static int match_mddev_units(mddev_t *mddev1, mddev_t *mddev2)
{
mdk_rdev_t *rdev, *rdev2;
if (list_empty(&mddev->disks))
return 0; /* nothing to do */
- if (blk_get_integrity(mddev->gendisk))
- return 0; /* already registered */
+ if (!mddev->gendisk || blk_get_integrity(mddev->gendisk))
+ return 0; /* shouldn't register, or already is */
list_for_each_entry(rdev, &mddev->disks, same_set) {
/* skip spares and non-functional disks */
if (test_bit(Faulty, &rdev->flags))
bd_link_disk_holder(rdev->bdev, mddev->gendisk);
/* May as well allow recovery to be retried once */
- mddev->recovery_disabled = 0;
+ mddev->recovery_disabled++;
return 0;
printk(KERN_INFO "md: rdev superblock (MJ:%d):\n", major_version);
switch (major_version) {
case 0:
- print_sb_90((mdp_super_t*)page_address(rdev->sb_page));
+ print_sb_90(page_address(rdev->sb_page));
break;
case 1:
- print_sb_1((struct mdp_superblock_1 *)page_address(rdev->sb_page));
+ print_sb_1(page_address(rdev->sb_page));
break;
}
} else
/* Don't update this superblock */
rdev->sb_loaded = 2;
} else {
- super_types[mddev->major_version].
- sync_super(mddev, rdev);
+ sync_super(mddev, rdev);
rdev->sb_loaded = 1;
}
}
{
char *e;
int err;
- char nm[20];
int slot = simple_strtoul(buf, &e, 10);
if (strncmp(buf, "none", 4)==0)
slot = -1;
if (rdev->raid_disk == -1)
return -EEXIST;
/* personality does all needed checks */
- if (rdev->mddev->pers->hot_add_disk == NULL)
+ if (rdev->mddev->pers->hot_remove_disk == NULL)
return -EINVAL;
err = rdev->mddev->pers->
hot_remove_disk(rdev->mddev, rdev->raid_disk);
if (err)
return err;
- sprintf(nm, "rd%d", rdev->raid_disk);
- sysfs_remove_link(&rdev->mddev->kobj, nm);
+ sysfs_unlink_rdev(rdev->mddev, rdev);
rdev->raid_disk = -1;
set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
md_wakeup_thread(rdev->mddev->thread);
return err;
} else
sysfs_notify_dirent_safe(rdev->sysfs_state);
- sprintf(nm, "rd%d", rdev->raid_disk);
- if (sysfs_create_link(&rdev->mddev->kobj, &rdev->kobj, nm))
+ if (sysfs_link_rdev(rdev->mddev, rdev))
/* failure here is OK */;
/* don't wakeup anyone, leave that to userspace. */
} else {
}
list_for_each_entry(rdev, &mddev->disks, same_set) {
- char nm[20];
if (rdev->raid_disk < 0)
continue;
if (rdev->new_raid_disk >= mddev->raid_disks)
rdev->new_raid_disk = -1;
if (rdev->new_raid_disk == rdev->raid_disk)
continue;
- sprintf(nm, "rd%d", rdev->raid_disk);
- sysfs_remove_link(&mddev->kobj, nm);
+ sysfs_unlink_rdev(mddev, rdev);
}
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->raid_disk < 0)
if (rdev->raid_disk < 0)
clear_bit(In_sync, &rdev->flags);
else {
- char nm[20];
- sprintf(nm, "rd%d", rdev->raid_disk);
- if(sysfs_create_link(&mddev->kobj, &rdev->kobj, nm))
- printk("md: cannot register %s for %s after level change\n",
- nm, mdname(mddev));
+ if (sysfs_link_rdev(mddev, rdev))
+ printk(KERN_WARNING "md: cannot register rd%d"
+ " for %s after level change\n",
+ rdev->raid_disk, mdname(mddev));
}
}
smp_wmb();
mddev->ready = 1;
list_for_each_entry(rdev, &mddev->disks, same_set)
- if (rdev->raid_disk >= 0) {
- char nm[20];
- sprintf(nm, "rd%d", rdev->raid_disk);
- if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm))
+ if (rdev->raid_disk >= 0)
+ if (sysfs_link_rdev(mddev, rdev))
/* failure here is OK */;
- }
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
if (mddev->flags)
md_update_sb(mddev, 0);
- md_wakeup_thread(mddev->thread);
- md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
-
md_new_event(mddev);
sysfs_notify_dirent_safe(mddev->sysfs_state);
sysfs_notify_dirent_safe(mddev->sysfs_action);
bitmap_destroy(mddev);
goto out;
}
+
+ md_wakeup_thread(mddev->thread);
+ md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
+
set_capacity(mddev->gendisk, mddev->array_sectors);
revalidate_disk(mddev->gendisk);
mddev->changed = 1;
sysfs_notify_dirent_safe(mddev->sysfs_state);
list_for_each_entry(rdev, &mddev->disks, same_set)
- if (rdev->raid_disk >= 0) {
- char nm[20];
- sprintf(nm, "rd%d", rdev->raid_disk);
- sysfs_remove_link(&mddev->kobj, nm);
- }
+ if (rdev->raid_disk >= 0)
+ sysfs_unlink_rdev(mddev, rdev);
set_capacity(disk, 0);
mutex_unlock(&mddev->open_mutex);
if (mddev->degraded)
set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+ if (!err)
+ md_new_event(mddev);
md_wakeup_thread(mddev->thread);
return err;
}
* Tune reconstruction:
*/
window = 32*(PAGE_SIZE/512);
- printk(KERN_INFO "md: using %dk window, over a total of %llu blocks.\n",
- window/2,(unsigned long long) max_sectors/2);
+ printk(KERN_INFO "md: using %dk window, over a total of %lluk.\n",
+ window/2, (unsigned long long)max_sectors/2);
atomic_set(&mddev->recovery_active, 0);
last_check = 0;
}
EXPORT_SYMBOL_GPL(md_do_sync);
-
static int remove_and_add_spares(mddev_t *mddev)
{
mdk_rdev_t *rdev;
atomic_read(&rdev->nr_pending)==0) {
if (mddev->pers->hot_remove_disk(
mddev, rdev->raid_disk)==0) {
- char nm[20];
- sprintf(nm,"rd%d", rdev->raid_disk);
- sysfs_remove_link(&mddev->kobj, nm);
+ sysfs_unlink_rdev(mddev, rdev);
rdev->raid_disk = -1;
}
}
- if (mddev->degraded && !mddev->recovery_disabled) {
+ if (mddev->degraded) {
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->raid_disk >= 0 &&
!test_bit(In_sync, &rdev->flags) &&
+ !test_bit(Faulty, &rdev->flags) &&
!test_bit(Blocked, &rdev->flags))
spares++;
if (rdev->raid_disk < 0
rdev->recovery_offset = 0;
if (mddev->pers->
hot_add_disk(mddev, rdev) == 0) {
- char nm[20];
- sprintf(nm, "rd%d", rdev->raid_disk);
- if (sysfs_create_link(&mddev->kobj,
- &rdev->kobj, nm))
+ if (sysfs_link_rdev(mddev, rdev))
/* failure here is OK */;
spares++;
md_new_event(mddev);
*/
void md_check_recovery(mddev_t *mddev)
{
+ if (mddev->suspended)
+ return;
+
if (mddev->bitmap)
bitmap_daemon_work(mddev);
- if (mddev->ro)
- return;
-
if (signal_pending(current)) {
if (mddev->pers->sync_request && !mddev->external) {
printk(KERN_INFO "md: %s in immediate safe mode\n",
atomic_read(&rdev->nr_pending)==0) {
if (mddev->pers->hot_remove_disk(
mddev, rdev->raid_disk)==0) {
- char nm[20];
- sprintf(nm,"rd%d", rdev->raid_disk);
- sysfs_remove_link(&mddev->kobj, nm);
+ sysfs_unlink_rdev(mddev, rdev);
rdev->raid_disk = -1;
}
}
projects / mirror_ubuntu-bionic-kernel.git / blobdiff