3074 	struct mount *new_mnt, *root_mnt, *old_mnt;  in SYSCALL_DEFINE2()  local
3101 	root_mnt = real_mount(root.mnt);  in SYSCALL_DEFINE2()
3105 		IS_MNT_SHARED(root_mnt->mnt_parent))  in SYSCALL_DEFINE2()
3107 	if (!check_mnt(root_mnt) || !check_mnt(new_mnt))  in SYSCALL_DEFINE2()
3115 	if (new_mnt == root_mnt || old_mnt == root_mnt)  in SYSCALL_DEFINE2()
3120 	if (!mnt_has_parent(root_mnt))  in SYSCALL_DEFINE2()
3122 	root_mp = root_mnt->mnt_mp;  in SYSCALL_DEFINE2()
3136 	detach_mnt(root_mnt, &root_parent);  in SYSCALL_DEFINE2()
3137 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in SYSCALL_DEFINE2()
3139 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in SYSCALL_DEFINE2()
3142 	attach_mnt(root_mnt, old_mnt, old_mp);  in SYSCALL_DEFINE2()