diff options
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r-- | drivers/md/dm.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 0704c523a76b..b49c76284241 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -200,8 +200,8 @@ struct mapped_device { /* forced geometry settings */ struct hd_geometry geometry; - /* sysfs handle */ - struct kobject kobj; + /* kobject and completion */ + struct dm_kobject_holder kobj_holder; /* zero-length flush that will be cloned and submitted to targets */ struct bio flush_bio; @@ -2041,6 +2041,7 @@ static struct mapped_device *alloc_dev(int minor) init_waitqueue_head(&md->wait); INIT_WORK(&md->work, dm_wq_work); init_waitqueue_head(&md->eventq); + init_completion(&md->kobj_holder.completion); md->disk->major = _major; md->disk->first_minor = minor; @@ -2902,20 +2903,14 @@ struct gendisk *dm_disk(struct mapped_device *md) struct kobject *dm_kobject(struct mapped_device *md) { - return &md->kobj; + return &md->kobj_holder.kobj; } -/* - * struct mapped_device should not be exported outside of dm.c - * so use this check to verify that kobj is part of md structure - */ struct mapped_device *dm_get_from_kobject(struct kobject *kobj) { struct mapped_device *md; - md = container_of(kobj, struct mapped_device, kobj); - if (&md->kobj != kobj) - return NULL; + md = container_of(kobj, struct mapped_device, kobj_holder.kobj); if (test_bit(DMF_FREEING, &md->flags) || dm_deleting_md(md)) |