228 	struct mount *child;  in propagate_one()  local
265 	child = copy_tree(last_source, last_source->mnt.mnt_root, type);  in propagate_one()
266 	if (IS_ERR(child))  in propagate_one()
267 		return PTR_ERR(child);  in propagate_one()
268 	child->mnt.mnt_flags &= ~MNT_LOCKED;  in propagate_one()
269 	mnt_set_mountpoint(m, mp, child);  in propagate_one()
271 	last_source = child;  in propagate_one()
277 	hlist_add_head(&child->mnt_hash, list);  in propagate_one()
278 	return count_mounts(m->mnt_ns, child);  in propagate_one()
346 	struct mount *child;  in find_topper()  local
351 	child = list_first_entry(&mnt->mnt_mounts, struct mount, mnt_child);  in find_topper()
352 	if (child->mnt_mountpoint != mnt->mnt.mnt_root)  in find_topper()
355 	return child;  in find_topper()
378 	struct mount *m, *child, *topper;  in propagate_mount_busy()  local
395 		child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint);  in propagate_mount_busy()
396 		if (!child)  in propagate_mount_busy()
402 		topper = find_topper(child);  in propagate_mount_busy()
405 		else if (!list_empty(&child->mnt_mounts))  in propagate_mount_busy()
408 		if (do_refcount_check(child, count))  in propagate_mount_busy()
422 	struct mount *m, *child;  in propagate_mount_unlock()  local
428 		child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint);  in propagate_mount_unlock()
429 		if (child)  in propagate_mount_unlock()
430 			child->mnt.mnt_flags &= ~MNT_LOCKED;  in propagate_mount_unlock()
452 	struct mount *child;  in __propagate_umount()  local
464 	list_for_each_entry(child, &mnt->mnt_mounts, mnt_child) {  in __propagate_umount()
465 		if (child->mnt_mountpoint == mnt->mnt.mnt_root)  in __propagate_umount()
467 		if (!list_empty(&child->mnt_umounting) && IS_MNT_MARKED(child))  in __propagate_umount()
491 	struct mount *mnt, *child, *tmp;  in umount_list()  local
493 		list_for_each_entry_safe(child, tmp, &mnt->mnt_mounts, mnt_child) {  in umount_list()
495 			if (child->mnt_mountpoint == mnt->mnt.mnt_root)  in umount_list()
496 				list_move_tail(&child->mnt_umounting, to_restore);  in umount_list()
498 				umount_one(child, to_umount);  in umount_list()
566 			struct mount *child = __lookup_mnt(&m->mnt,  in propagate_umount()  local
568 			if (!child)  in propagate_umount()
571 			if (!list_empty(&child->mnt_umounting)) {  in propagate_umount()
581 			} else if (child->mnt.mnt_flags & MNT_UMOUNT) {  in propagate_umount()
588 				list_add_tail(&child->mnt_umounting, &visited);  in propagate_umount()
593 			while (__propagate_umount(child,  in propagate_umount()
596 				child = child->mnt_parent;  in propagate_umount()
597 				if (list_empty(&child->mnt_umounting))  in propagate_umount()