1FSCK_OPT=-yf 2 3# use current directory instead of /tmp becase tmpfs doesn't support DIO 4rm -f $TMPFILE 5TMPFILE=$(mktemp ./tmp-$test_name.XXXXXX) 6 7stat -f $TMPFILE | grep -q "Type: tmpfs" 8if [ $? = 0 ] ; then 9 rm -f $TMPFILE 10 echo "$test_name: $test_description: skipped for tmpfs (no O_DIRECT)" 11 return 0 12fi 13 14echo "make the test image ..." > $test_name.log 15$MKE2FS -q -F -o Linux -b 4096 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1 16status=$? 17if [ "$status" != 0 ] ; then 18 echo "mke2fs -O mmp failed" > $test_name.failed 19 echo "$test_name: $test_description: failed" 20 return $status 21fi 22 23# create a corrupted image 24echo "modify the mmp sequence ..." >> $test_name.log 25$DEBUGFS -w -R "set_mmp_value magic 0x12345678" $TMPFILE >> $test_name.log 2>&1 26 27SKIP_GUNZIP=true 28. $cmd_dir/run_e2fsck 29