@@ -1795,7 +1795,12 @@ static void cleanup_mapped_device(struct mapped_device *md)
spin_lock(&_minor_lock);
md->disk->private_data = NULL;
spin_unlock(&_minor_lock);
- del_gendisk(md->disk);
+ if (dm_get_md_type(md) != DM_TYPE_NONE) {
+ dm_sysfs_exit(md);
+ del_gendisk(md->disk);
+ } else {
+ md->disk->queue = NULL;
+ }
put_disk(md->disk);
}
@@ -1900,7 +1905,6 @@ static struct mapped_device *alloc_dev(int minor)
}
}
- add_disk_no_queue_reg(md->disk);
format_dev_t(md->name, MKDEV(_major, minor));
md->wq = alloc_workqueue("kdmflush", WQ_MEM_RECLAIM, 0);
@@ -2098,19 +2102,12 @@ static struct dm_table *__unbind(struct mapped_device *md)
*/
int dm_create(int minor, struct mapped_device **result)
{
- int r;
struct mapped_device *md;
md = alloc_dev(minor);
if (!md)
return -ENXIO;
- r = dm_sysfs_init(md);
- if (r) {
- free_dev(md);
- return r;
- }
-
*result = md;
return 0;
}
@@ -2188,8 +2185,14 @@ int dm_setup_md_queue(struct mapped_device *md, struct dm_table *t)
return r;
}
dm_table_set_restrictions(t, md->queue, &limits);
- blk_register_queue(md->disk);
+ add_disk(md->disk);
+ r = dm_sysfs_init(md);
+ if (r) {
+ del_gendisk(md->disk);
+ return r;
+ }
+ md->type = type;
return 0;
}
@@ -2295,7 +2298,6 @@ static void __dm_destroy(struct mapped_device *md, bool wait)
DMWARN("%s: Forcibly removing mapped_device still in use! (%d users)",
dm_device_name(md), atomic_read(&md->holders));
- dm_sysfs_exit(md);
dm_table_destroy(__unbind(md));
free_dev(md);
}