linux-master/fs/namespace.c

701 		if (&p->mnt_parent->mnt == mnt && p->mnt_mountpoint == dentry)
891 	mnt->mnt_parent = mnt;
919 	child_mnt->mnt_parent = mnt;
932  * parent @top_mnt->mnt_parent and mount it on top of @new_parent at
943 	struct mount *old_top_parent = top_mnt->mnt_parent;
972  * @mnt_hashtable and @parent->mnt_parent->mnt_mounts.
974  * Note, when __attach_mnt() is called @mnt->mnt_parent already points
988 	 * Note, @mnt->mnt_parent has to be used. If @mnt was mounted
990 	 * @parent's old parent, not @parent. IOW, @mnt->mnt_parent
993 	__attach_mnt(mnt, mnt->mnt_parent);
999 	struct mount *old_parent = mnt->mnt_parent;
1040 	struct mount *parent = mnt->mnt_parent;
1069 			if (next != &p->mnt_parent->mnt_mounts)
1071 			p = p->mnt_parent;
1114 	mnt->mnt_parent		= mnt;
1210 	mnt->mnt_parent = mnt;
1606 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))
1668 			mnt_add_count(p->mnt_parent, -1);
1671 				list_add_tail(&p->mnt_child, &p->mnt_parent->mnt_mounts);
2009 			while (p != s->mnt_parent) {
2010 				p = p->mnt_parent;
2011 				q = q->mnt_parent;
2331 		dest_mnt = top_mnt->mnt_parent;
2375 		q = __lookup_mnt(&child->mnt_parent->mnt,
2380 		if (child->mnt_parent->mnt_ns->user_ns != user_ns)
2393 		child->mnt_parent->mnt_ns->pending_mounts = 0;
2423  * @mp on @mnt->mnt_parent must be acquired. This protects against a
3060 		     *parent_mnt_to = mnt_to->mnt_parent;
3084 	for (struct mount *p = mnt_from; mnt_has_parent(p); p = p->mnt_parent)
3090 	 * mean mounting @mnt_from on @mnt_to->mnt_parent and then
3098 	 * If @mnt_to->mnt_parent propagates to @mnt_from this would
3101 	 * @mnt_to->mnt_parent and @mnt_to would be unmounted from
3102 	 * @mnt->mnt_parent and remounted on @mnt_from. But since @c is
3133 	parent = old->mnt_parent;
3174 		p = p->mnt_parent;
3187 	for (; mnt_has_parent(p); p = p->mnt_parent)
3521 		this_parent = this_parent->mnt_parent;
4139 		mnt = mnt->mnt_parent;
4214 	ex_parent = new_mnt->mnt_parent;
4215 	root_parent = root_mnt->mnt_parent;
4788 	s->sm.mnt_parent_id = m->mnt_parent->mnt_id_unique;
4790 	s->sm.mnt_parent_id_old = m->mnt_parent->mnt_id;