704 	struct mnt_namespace *ns = current->nsproxy->mnt_ns;  in __is_local_mountpoint()
801 	return mnt->mnt_ns == current->nsproxy->mnt_ns;  in check_mnt()
933 	struct mnt_namespace *n = parent->mnt_ns;  in commit_tree()
939 		m->mnt_ns = n;  in commit_tree()
1154 	if (likely(READ_ONCE(mnt->mnt_ns))) {  in mntput_no_expire()
1503 		ns = p->mnt_ns;  in umount_tree()
1508 		p->mnt_ns = NULL;  in umount_tree()
1672 	return ns_capable(current->nsproxy->mnt_ns->user_ns, CAP_SYS_ADMIN);  in may_mount()
1752 	struct mnt_namespace *mnt_ns;  in mnt_ns_loop()  local
1756 	mnt_ns = to_mnt_ns(get_proc_ns(dentry->d_inode));  in mnt_ns_loop()
1757 	return current->nsproxy->mnt_ns->seq >= mnt_ns->seq;  in mnt_ns_loop()
2036 	struct mnt_namespace *ns = dest_mnt->mnt_ns;  in attach_recursive_mnt()
2072 		touch_mnt_namespace(source_mnt->mnt_ns);  in attach_recursive_mnt()
2095 		child->mnt_parent->mnt_ns->pending_mounts = 0;  in attach_recursive_mnt()
2329 		if ((mnt->mnt_ns->user_ns != &init_user_ns) &&  in do_remount()
2370 		touch_mnt_namespace(mnt->mnt_ns);  in do_remount()
2502 		if (!parent->mnt_ns)  in do_add_mount()
2534 	struct user_namespace *user_ns = current->nsproxy->mnt_ns->user_ns;  in do_new_mount()
2655 		touch_mnt_namespace(mnt->mnt_ns);  in mark_mounts_for_expiry()
2726 			touch_mnt_namespace(m->mnt_ns);  in shrink_submounts()
2975 		q->mnt_ns = new_ns;  in copy_mnt_ns()
3013 		mnt->mnt_ns = new_ns;  in create_mnt_ns()
3212 	touch_mnt_namespace(current->nsproxy->mnt_ns);  in SYSCALL_DEFINE2()
3254 	init_task.nsproxy->mnt_ns = ns;  in init_mount_tree()
3322 		real_mount(mnt)->mnt_ns = MNT_NS_INTERNAL;  in kern_mount_data()
3332 		real_mount(mnt)->mnt_ns = NULL;  in kern_unmount()
3352 	ns_root.mnt = &current->nsproxy->mnt_ns->root->mnt;  in current_chrooted()
3370 	struct mnt_namespace *ns = current->nsproxy->mnt_ns;  in fs_fully_visible()
3458 		ns = &nsproxy->mnt_ns->ns;  in mntns_get()
3474 	struct mnt_namespace *mnt_ns = to_mnt_ns(ns);  in mntns_install()  local
3477 	if (!ns_capable(mnt_ns->user_ns, CAP_SYS_ADMIN) ||  in mntns_install()
3485 	get_mnt_ns(mnt_ns);  in mntns_install()
3486 	put_mnt_ns(nsproxy->mnt_ns);  in mntns_install()
3487 	nsproxy->mnt_ns = mnt_ns;  in mntns_install()
3490 	root.mnt    = &mnt_ns->root->mnt;  in mntns_install()
3491 	root.dentry = mnt_ns->root->mnt.mnt_root;  in mntns_install()