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vchain revision 1.7 
      1 #	$NetBSD: vchain,v 1.7 2013/11/23 16:15:25 riz Exp $
      2 
      3 #	@(#)vchain	8.1 (Berkeley) 6/10/93
      4 #
      5 
      6 define vchain
      7 	set $num = 0
      8 
      9 	set $vp=(struct vnode *)$arg0
     10 	while ($vp)
     11 		printf "vp: 0x%lx freelist_next: 0x%lx usecount: %d flags: i:0x%x v:0x%x u:0x%x\n",\
     12 		       $vp, $vp->v_freelist.tqe_next, $vp->v_uobj.uo_refs, \
     13 		       $vp->v_iflag, $vp->v_vflag, $vp->v_uflag
     14 		set $num++
     15 		set $vp = $vp->v_mntvnodes.tqe_next
     16 	end
     17 	printf "Number of vnodes: %d\n", $num
     18 end
     19 
     20 document vchain
     21 Given a vnode, follow its mount pointers
     22 end
     23 
     24 define vprint
     25 	set $vp=(struct vnode *)$arg0
     26 	set $ip=(struct inode *)$vp->v_data
     27 end
     28 
     29 define mp_vchain
     30 	set $mp = (struct mount *)$arg0
     31 	vchain $mp->mnt_vnodelist.tqh_first
     32 end
     33 document mp_vchain
     34 print the vnode chain for a given mount point
     35 end
     36 
     37 define vall
     38 	set $mp=mountlist.tqh_first
     39 	while ($mp)
     40 		printf "\tmount point at 0x%x\n", $mp
     41 		mp_vchain $mp
     42 		set $mp=$mp->mnt_list.tqe_next
     43 
     44 		# "break"
     45 		if ((const void *)$mp == (const void *)&mountlist)
     46 			set $mp = 0
     47 		end
     48 	end
     49 end
     50 document vall
     51 print vnode chains for all mount points
     52 end
     53 
     54 define mountdump
     55 	set $mp=mountlist.tqh_first
     56 	while ($mp)
     57 		printf "%s on %s type %s, (mp 0x%x, privdata 0x%x)\n", \
     58 		    $mp->mnt_stat->f_mntfromname, $mp->mnt_stat->f_mntonname, \
     59 		    $mp->mnt_op->vfs_name, $mp, $mp->mnt_data
     60 		set $mp=$mp->mnt_list.tqe_next
     61 		if ((const void *)$mp == (const void *)&mountlist)
     62 			set $mp = 0
     63 		end
     64 	end
     65 end
     66