linux-master/fs/pnode.c

226 	struct mount *child;
260 	child = copy_tree(last_source, last_source->mnt.mnt_root, type);
261 	if (IS_ERR(child))
262 		return PTR_ERR(child);
264 	mnt_set_mountpoint(m, dest_mp, child);
269 	last_source = child;
270 	hlist_add_head(&child->mnt_hash, list);
271 	return count_mounts(m->mnt_ns, child);
337 	struct mount *child;
342 	child = list_first_entry(&mnt->mnt_mounts, struct mount, mnt_child);
343 	if (child->mnt_mountpoint != mnt->mnt.mnt_root)
346 	return child;
409 	struct mount *m, *child, *topper;
426 		child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint);
427 		if (!child)
430 		/* Is there exactly one mount on the child that covers
433 		topper = find_topper(child);
436 		else if (!list_empty(&child->mnt_mounts))
439 		if (do_refcount_check(child, count))
453 	struct mount *m, *child;
459 		child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint);
460 		if (child)
461 			child->mnt.mnt_flags &= ~MNT_LOCKED;
483 	struct mount *child;
495 	list_for_each_entry(child, &mnt->mnt_mounts, mnt_child) {
496 		if (child->mnt_mountpoint == mnt->mnt.mnt_root)
498 		if (!list_empty(&child->mnt_umounting) && IS_MNT_MARKED(child))
500 		/* Found a mounted child */
522 	struct mount *mnt, *child, *tmp;
524 		list_for_each_entry_safe(child, tmp, &mnt->mnt_mounts, mnt_child) {
526 			if (child->mnt_mountpoint == mnt->mnt.mnt_root)
527 				list_move_tail(&child->mnt_umounting, to_restore);
529 				umount_one(child, to_umount);
597 			struct mount *child = __lookup_mnt(&m->mnt,
599 			if (!child)
602 			if (!list_empty(&child->mnt_umounting)) {
604 				 * If the child has already been visited it is
612 			} else if (child->mnt.mnt_flags & MNT_UMOUNT) {
619 				list_add_tail(&child->mnt_umounting, &visited);
623 			/* Check the child and parents while progress is made */
624 			while (__propagate_umount(child,
627 				child = child->mnt_parent;
628 				if (list_empty(&child->mnt_umounting))