fsck/xfs_fsck.sh

   1 #!/bin/sh -f
   2 #
   3 # Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
   4 #
   5
   6 NAME=$0
   7
   8 # get the right return code for fsck
   9 repair2fsck_code() {
  10         case $1 in
  11         0)  return 0 # everything is ok
  12                 ;;
  13         1)  echo "$NAME error: xfs_repair could not fix the filesystem." 1>&2
  14                 return 4 # errors left uncorrected
  15                 ;;
  16         2)  echo "$NAME error: The filesystem log is dirty, mount it to recover" \
  17                      "the log. If that fails, refer to the section DIRTY LOGS in the" \
  18                      "xfs_repair manual page." 1>&2
  19                 return 4 # dirty log, don't do anything and let the user solve it
  20                 ;;
  21         4)  return 1 # The fs has been fixed
  22                 ;;
  23         127)
  24                 echo "$NAME error: xfs_repair was not found!" 1>&2
  25                 return 4
  26                 ;;
  27         *)  echo "$NAME error: An unknown return code from xfs_repair '$1'" 1>&2
  28                 return 4 # something went wrong with xfs_repair
  29         esac
  30 }
  31
  32 AUTO=false
  33 FORCE=false
  34 REPAIR=false
  35 while getopts ":aApyf" c
  36 do
  37         case $c in
  38         a|A|p)          AUTO=true;;
  39         y)              REPAIR=true;;
  40         f)              FORCE=true;;
  41         esac
  42 done
  43 eval DEV=\${$#}
  44 if [ ! -e $DEV ]; then
  45         echo "$0: $DEV does not exist"
  46         exit 8
  47 fi
  48
  49 # The flag -f is added by systemd/init scripts when /forcefsck file is present
  50 # or fsck.mode=force is used during boot; an unclean shutdown won't trigger
  51 # this check, user has to explicitly require a forced fsck.
  52 # But first of all, test if it is a non-interactive session.
  53 # Invoking xfs_repair via fsck.xfs is only intended to happen via initscripts.
  54 # Normal administrative filesystem repairs should always invoke xfs_repair
  55 # directly.
  56 #
  57 # Use multiple methods to capture most of the cases:
  58 # The case for *i* and -n "$PS1" are commonly suggested in bash manual
  59 # and the -t 0 test checks stdin
  60 case $- in
  61         *i*) FORCE=false ;;
  62 esac
  63 if [ -n "$PS1" -o -t 0 ]; then
  64         FORCE=false
  65 fi
  66
  67 if $FORCE; then
  68         xfs_repair -e $DEV
  69         error=$?
  70         if [ $error -eq 2 ] && [ $REPAIR = true ]; then
  71                 echo "Replaying log for $DEV"
  72                 mkdir -p /tmp/repair_mnt || exit 1
  73                 for x in $(cat /proc/cmdline); do
  74                         case $x in
  75                                 root=*)
  76                                         ROOT="${x#root=}"
  77                                 ;;
  78                                 rootflags=*)
  79                                         ROOTFLAGS="-o ${x#rootflags=}"
  80                                 ;;
  81                         esac
  82                 done
  83                 test -b "$ROOT" || ROOT=$(blkid -t "$ROOT" -o device)
  84                 if [ $(basename $DEV) = $(basename $ROOT) ]; then
  85                         mount $DEV /tmp/repair_mnt $ROOTFLAGS || exit 1
  86                 else
  87                         mount $DEV /tmp/repair_mnt || exit 1
  88                 fi
  89                 umount /tmp/repair_mnt
  90                 xfs_repair -e $DEV
  91                 error=$?
  92                 rm -d /tmp/repair_mnt
  93         fi
  94         repair2fsck_code $error
  95         exit $?
  96 fi
  97
  98 if $AUTO; then
  99         echo "$0: XFS file system."
 100 else
 101         echo "If you wish to check the consistency of an XFS filesystem or"
 102         echo "repair a damaged filesystem, see xfs_repair(8)."
 103 fi
 104 exit 0