Home | History | Annotate | Line # | Download | only in gdbscripts 
      1 #	$NetBSD: vchain,v 1.11 2019/12/06 02:37:53 mrg Exp $
      2 
      3 #	@(#)vchain	8.1 (Berkeley) 6/10/93
      4 #
      5 
      6 define vchain
      7 	set $num = 0
      8 
      9 	set $vi = (struct vnode_impl *)$arg0
     10 	printf "lrulist_next: 0x%lx\n", $vi->vi_lrulist.tqe_next
     11 	while ($vi)
     12 		set $vp = &$vi->vi_vnode
     13 		printf "vp: 0x%lx usecount: %d flags: i:0x%x v:0x%x u:0x%x\n",\
     14 		       $vp, $vp->v_uobj.uo_refs, \
     15 		       $vp->v_iflag, $vp->v_vflag, $vp->v_uflag
     16 		set $num++
     17 		set $vi = $vi->vi_mntvnodes.tqe_next
     18 	end
     19 	printf "Number of vnodes: %d\n", $num
     20 end
     21 
     22 document vchain
     23 Given a vnode, follow its mount pointers
     24 end
     25 
     26 define vprint
     27 	set $vp=(struct vnode *)$arg0
     28 	set $ip=(struct inode *)$vp->v_data
     29 end
     30 
     31 define mp_vchain
     32 	set $mp = $arg0->me_mount
     33 	set $first = $mp->mnt_vnodelist.tqh_first
     34 	if ($first)
     35 		vchain $mp->mnt_vnodelist.tqh_first
     36 	end
     37 end
     38 document mp_vchain
     39 print the vnode chain for a given mount point
     40 end
     41 
     42 define vall
     43 	set $mpe=mountlist.tqh_first
     44 	while ($mpe)
     45 		printf "\tmount point at 0x%lx\n", $mpe
     46 		mp_vchain $mpe
     47 		set $mpe = $mpe->me_list.tqe_next
     48 
     49 		# "break"
     50 		if ((const void *)$mpe == (const void *)&mountlist)
     51 			set $mpe = 0
     52 		end
     53 	end
     54 end
     55 document vall
     56 print vnode chains for all mount points
     57 end
     58 
     59 define mountdump
     60 	set $me=mountlist.tqh_first
     61 	while ($me)
     62 		if ($me->me_type == ME_MOUNT)
     63 			set $mp = $me->me_mount
     64 			printf "%s on %s type %s, (mp 0x%lx, privdata 0x%lx)\n", \
     65 			    $mp->mnt_stat->f_mntfromname, \
     66 			    $mp->mnt_stat->f_mntonname, \
     67 			    $mp->mnt_op->vfs_name, $mp, $mp->mnt_data
     68 		end
     69 		set $me=$me->me_list.tqe_next
     70 		if ((const void *)$me == (const void *)&mountlist)
     71 			set $me = 0
     72 		end
     73 	end
     74 end
     75