vdump

早期freebsd实现

#	@(#)vdump	8.1 (Berkeley) 6/10/93
#
# dump the vnode list

define dumpvnodes

	set $vp = (struct vnode *)$arg0
	while ($vp)
		printf "vnode=0x%x freef=0x%x mountf=0x%x usecount=%d\n", $vp, $vp->v_freef, $vp->v_mountf, $vp->v_usecount
		set $vp = (struct vnode *)$vp->v_freef
	end
end