olddp             325 kern/vfs_syscalls.c checkdirs(struct vnode *olddp)
olddp             331 kern/vfs_syscalls.c 	if (olddp->v_usecount == 1)
olddp             333 kern/vfs_syscalls.c 	if (VFS_ROOT(olddp->v_mountedhere, &newdp))
olddp             337 kern/vfs_syscalls.c 		if (fdp->fd_cdir == olddp) {
olddp             342 kern/vfs_syscalls.c 		if (fdp->fd_rdir == olddp) {
olddp             348 kern/vfs_syscalls.c 	if (rootvnode == olddp) {
olddp             419 kern/vfs_syscalls.c dounmount(struct mount *mp, int flags, struct proc *p, struct vnode *olddp)