tests/f_mmp/script

   1 FSCK_OPT=-yf
   2
   3 # use current directory instead of /tmp becase tmpfs doesn't support DIO
   4 rm -f $TMPFILE
   5 TMPFILE=$(mktemp ./tmp-$test_name.XXXXXX)
   6
   7 stat -f $TMPFILE | grep -q "Type: tmpfs"
   8 if [ $? = 0 ]; then
   9         rm -f $TMPFILE
  10         echo "$test_name: $test_description: skipped for tmpfs (no O_DIRECT)"
  11         return 0
  12 fi
  13
  14 echo "make the test image ..." > $test_name.log
  15 $MKE2FS -q -F -o Linux -b 4096 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1
  16 status=$?
  17 if [ "$status" != 0 ] ; then
  18         echo "mke2fs -O mmp failed" > $test_name.failed
  19         echo "$test_name: $test_description: failed"
  20         return $status
  21 fi
  22
  23 kill_debugfs() {
  24         trap 0
  25         PID=$(ps -o pid,command | grep -v grep |
  26                 grep "debugfs -w $TMPFILE" | awk "{ print \$1 }")
  27         [ "x$PID" != "x" ] && kill -9 $PID
  28 }
  29
  30 # this will cause debugfs to create the $test_name.mark file once it has
  31 # passed the MMP startup, then continue reading input until it is killed
  32 MARKFILE=$test_name.new
  33 rm -f $MARKFILE
  34 trap kill_debugfs EXIT
  35 echo "set mmp sequence to EXT2_MMP_SEQ_FSCK..." >> $test_name.log
  36 ( { echo dump_mmp; echo "dump_inode <2> $MARKFILE"; cat /dev/zero; } |
  37         $DEBUGFS -w $TMPFILE >> $test_name.log 2>&1 & ) > /dev/null 2>&1 &
  38 echo "wait until debugfs has started ..." >> $test_name.log
  39 while [ ! -e $MARKFILE ]; do
  40         sleep 1
  41 done
  42 rm -f $MARKFILE
  43 echo "kill debugfs abruptly (simulates e2fsck failure) ..." >> $test_name.log
  44 kill_debugfs
  45
  46 $E2MMPSTATUS $TMPFILE > $test_name.log 2>&1
  47 status=$?
  48 if [ "$status" != 1 ] ; then
  49         echo "$E2MMPSTATUS with EXT2_MMP_SEQ_FSCK passed!" > $test_name.failed
  50         echo "$test_name: $test_description: failed"
  51         return 1
  52 fi
  53
  54 echo "e2fsck (should fail mmp_seq = EXT2_MMP_SEQ_FSCK) ..." >> $test_name.log
  55 $FSCK $FSCK_OPT $TMPFILE >> $test_name.log 2>&1
  56 status=$?
  57 if [ "$status" = 0 ] ; then
  58         echo "e2fsck with MMP as EXT2_MMP_SEQ_FSCK ran!" > $test_name.failed
  59         echo "$test_name: $test_description: failed"
  60         return 1
  61 fi
  62
  63 echo "clear mmp_seq with tune2fs ..." >> $test_name.log
  64 $TUNE2FS -f -E clear_mmp $TMPFILE >> $test_name.log 2>&1
  65 status=$?
  66 if [ "$status" != 0 ] ; then
  67         echo "tune2fs clearing EXT2_MMP_SEQ_FSCK failed" > $test_name.failed
  68         echo "$test_name: $test_description: failed"
  69         return 1
  70 fi
  71
  72 echo "run e2fsck again (should pass with clean mmp_seq) ..." >> $test_name.log
  73 $FSCK $FSCK_OPT $TMPFILE >> $test_name.log 2>&1
  74 status=$?
  75 if [ "$status" != 0 ] ; then
  76         echo "e2fsck after clearing EXT2_MMP_SEQ_FSCK failed"> $test_name.failed
  77         echo "$test_name: $test_description: failed"
  78         return $status
  79 fi
  80
  81 echo "$test_name: $test_description: ok"
  82 rm -f $TMPFILE