#!/bin/sh

DEBUGFS=`which debugfs.ocfs2`

usage() {
        echo "usage: stat_sysdir.sh -d sda1,sdb1"
        exit 1;
}

OPTIND=1
while getopts "d:" args
do
  case "$args" in
    d) devices="$(echo $OPTARG | sed 's/,/ /g')";;
  esac
done

if [ -z "$devices" ] ;
then
  usage ;
fi

for i in $devices
do
  DEV=/dev/$i
  echo "Device: ${DEV}"
  SLOTS=`echo "stats" | ${DEBUGFS} -n ${DEV} | awk '/Max Node Slots:/ { print $4 }'`
  if [ -z ${SLOTS} ]
  then
    continue;
  fi

  echo "  superblock"
  echo "stats" | ${DEBUGFS} -n ${DEV}

  echo "  //global_bitmap"
  echo "stat //global_bitmap" | ${DEBUGFS} -n ${DEV}

  echo "  //global_inode_alloc"
  echo "stat //global_inode_alloc" | ${DEBUGFS} -n ${DEV}

  echo "  //slot_map"
  echo "stat //slot_map" | ${DEBUGFS} -n ${DEV}

  echo "  //heartbeat"
  echo "stat //heartbeat" | ${DEBUGFS} -n ${DEV}

  for j in `seq --format="%04g" 0 $[${SLOTS}-1]`
  do
    INODE=//inode_alloc:$j
    EXTNT=//extent_alloc:$j
    LOCAL=//local_alloc:$j
    TRUNC=//truncate_log:$j
    JOURN=//journal:$j
    ORPHN=//orphan_dir:$j
    echo "  ${INODE}"
    echo "stat ${INODE}" | ${DEBUGFS} -n ${DEV}
    echo "  ${EXTNT}"
    echo "stat ${EXTNT}" | ${DEBUGFS} -n ${DEV}
    echo "  ${LOCAL}"
    echo "stat ${LOCAL}" | ${DEBUGFS} -n ${DEV}
    echo "  ${TRUNC}"
    echo "stat ${TRUNC}" | ${DEBUGFS} -n ${DEV}
    echo "  ${JOURN}"
    echo "stat ${JOURN}" | ${DEBUGFS} -n ${DEV}
    echo "  ${ORPHN}"
    echo "ls -l ${ORPHN}" | ${DEBUGFS} -n ${DEV}
  done;
  echo " "
done;