list_del(&mddev->all_mddevs);
spin_unlock(&all_mddevs_lock);
blk_cleanup_queue(mddev->queue);
- kobject_unregister(&mddev->kobj);
+ kobject_put(&mddev->kobj);
} else
spin_unlock(&all_mddevs_lock);
}
return -EBUSY;
}
bdevname(rdev->bdev,b);
- if (kobject_set_name(&rdev->kobj, "dev-%s", b) < 0)
- return -ENOMEM;
- while ( (s=strchr(rdev->kobj.k_name, '/')) != NULL)
+ while ( (s=strchr(b, '/')) != NULL)
*s = '!';
-
+
rdev->mddev = mddev;
printk(KERN_INFO "md: bind<%s>\n", b);
- rdev->kobj.parent = &mddev->kobj;
- if ((err = kobject_add(&rdev->kobj)))
+ if ((err = kobject_add(&rdev->kobj, &mddev->kobj, "dev-%s", b)))
goto fail;
if (rdev->bdev->bd_part)
- ko = &rdev->bdev->bd_part->kobj;
+ ko = &rdev->bdev->bd_part->dev.kobj;
else
- ko = &rdev->bdev->bd_disk->kobj;
+ ko = &rdev->bdev->bd_disk->dev.kobj;
if ((err = sysfs_create_link(&rdev->kobj, ko, "block"))) {
kobject_del(&rdev->kobj);
goto fail;
if (err)
goto abort_free;
- rdev->kobj.parent = NULL;
- rdev->kobj.ktype = &rdev_ktype;
- kobject_init(&rdev->kobj);
+ kobject_init(&rdev->kobj, &rdev_ktype);
rdev->desc_nr = -1;
rdev->saved_raid_disk = -1;
{
char *type = "idle";
if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
- test_bit(MD_RECOVERY_NEEDED, &mddev->recovery)) {
+ (!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))) {
if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
type = "reshape";
else if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) {
static struct md_sysfs_entry md_sync_max =
__ATTR(sync_speed_max, S_IRUGO|S_IWUSR, sync_max_show, sync_max_store);
+static ssize_t
+degraded_show(mddev_t *mddev, char *page)
+{
+ return sprintf(page, "%d\n", mddev->degraded);
+}
+static struct md_sysfs_entry md_degraded = __ATTR_RO(degraded);
static ssize_t
sync_speed_show(mddev_t *mddev, char *page)
&md_suspend_lo.attr,
&md_suspend_hi.attr,
&md_bitmap.attr,
+ &md_degraded.attr,
NULL,
};
static struct attribute_group md_redundancy_group = {
int partitioned = (MAJOR(dev) != MD_MAJOR);
int shift = partitioned ? MdpMinorShift : 0;
int unit = MINOR(dev) >> shift;
+ int error;
if (!mddev)
return NULL;
add_disk(disk);
mddev->gendisk = disk;
mutex_unlock(&disks_mutex);
- mddev->kobj.parent = &disk->kobj;
- kobject_set_name(&mddev->kobj, "%s", "md");
- mddev->kobj.ktype = &md_ktype;
- if (kobject_register(&mddev->kobj))
+ error = kobject_init_and_add(&mddev->kobj, &md_ktype, &disk->dev.kobj,
+ "%s", "md");
+ if (error)
printk(KERN_WARNING "md: cannot register %s/md - name in use\n",
disk->disk_name);
+ else
+ kobject_uevent(&mddev->kobj, KOBJ_ADD);
return NULL;
}
mddev->changed = 1;
md_new_event(mddev);
- kobject_uevent(&mddev->gendisk->kobj, KOBJ_CHANGE);
+ kobject_uevent(&mddev->gendisk->dev.kobj, KOBJ_CHANGE);
return 0;
}
mddev->pers->stop(mddev);
mddev->queue->merge_bvec_fn = NULL;
mddev->queue->unplug_fn = NULL;
- mddev->queue->issue_flush_fn = NULL;
mddev->queue->backing_dev_info.congested_fn = NULL;
if (mddev->pers->sync_request)
sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
void md_unregister_thread(mdk_thread_t *thread)
{
- dprintk("interrupting MD-thread pid %d\n", thread->tsk->pid);
+ dprintk("interrupting MD-thread pid %d\n", task_pid_nr(thread->tsk));
kthread_stop(thread->tsk);
kfree(thread);
* about not overloading the IO subsystem. (things like an
* e2fsck being done on the RAID array should execute fast)
*/
- mddev->queue->unplug_fn(mddev->queue);
+ blk_unplug(mddev->queue);
cond_resched();
currspeed = ((unsigned long)(io_sectors-mddev->resync_mark_cnt))/2
* this also signals 'finished resyncing' to md_stop
*/
out:
- mddev->queue->unplug_fn(mddev->queue);
+ blk_unplug(mddev->queue);
wait_event(mddev->recovery_wait, !atomic_read(&mddev->recovery_active));
* Searches all registered partitions for autorun RAID arrays
* at boot time.
*/
-static dev_t detected_devices[128];
-static int dev_cnt;
+
+static LIST_HEAD(all_detected_devices);
+struct detected_devices_node {
+ struct list_head list;
+ dev_t dev;
+};
void md_autodetect_dev(dev_t dev)
{
- if (dev_cnt >= 0 && dev_cnt < 127)
- detected_devices[dev_cnt++] = dev;
+ struct detected_devices_node *node_detected_dev;
+
+ node_detected_dev = kzalloc(sizeof(*node_detected_dev), GFP_KERNEL);
+ if (node_detected_dev) {
+ node_detected_dev->dev = dev;
+ list_add_tail(&node_detected_dev->list, &all_detected_devices);
+ } else {
+ printk(KERN_CRIT "md: md_autodetect_dev: kzalloc failed"
+ ", skipping dev(%d,%d)\n", MAJOR(dev), MINOR(dev));
+ }
}
static void autostart_arrays(int part)
{
mdk_rdev_t *rdev;
- int i;
+ struct detected_devices_node *node_detected_dev;
+ dev_t dev;
+ int i_scanned, i_passed;
- printk(KERN_INFO "md: Autodetecting RAID arrays.\n");
+ i_scanned = 0;
+ i_passed = 0;
- for (i = 0; i < dev_cnt; i++) {
- dev_t dev = detected_devices[i];
+ printk(KERN_INFO "md: Autodetecting RAID arrays.\n");
+ while (!list_empty(&all_detected_devices) && i_scanned < INT_MAX) {
+ i_scanned++;
+ node_detected_dev = list_entry(all_detected_devices.next,
+ struct detected_devices_node, list);
+ list_del(&node_detected_dev->list);
+ dev = node_detected_dev->dev;
+ kfree(node_detected_dev);
rdev = md_import_device(dev,0, 90);
if (IS_ERR(rdev))
continue;
continue;
}
list_add(&rdev->same_set, &pending_raid_disks);
+ i_passed++;
}
- dev_cnt = 0;
+
+ printk(KERN_INFO "md: Scanned %d and added %d devices.\n",
+ i_scanned, i_passed);
autorun_devices(part);
}
projects / linux-2.6 / blobdiff