1 FSCK_OPT=-yf 2 3 TMPFILE=$test_name.tmp 4 > $TMPFILE 5 6 stat -f $TMPFILE | grep -q "Type: tmpfs" 7 if [ $? = 0 ]; then 8 rm -f $TMPFILE 9 echo "$test_name: $test_description: skipped for tmpfs (no O_DIRECT)" 10 return 0 11 fi 12 13 echo "make the test image ..." > $test_name.log 14 $MKE2FS -q -F -o Linux -b 4096 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1 15 status=$? 16 if [ "$status" != 0 ] ; then 17 echo "mke2fs -O mmp failed" > $test_name.failed 18 echo "$test_name: $test_description: failed" 19 return $status 20 fi 21 22 kill_debugfs() { 23 trap 0 24 PID=$(ps -o pid,command | grep -v awk | 25 awk "/debugfs -w $TMPFILE/ { print \$1 }") 26 [ "x$PID" != "x" ] && kill -9 $PID 27 } 28 29 # this will cause debugfs to create the $test_name.mark file once it has 30 # passed the MMP startup, then continue reading input until it is killed 31 MARKFILE=$test_name.new 32 rm -f $MARKFILE 33 trap kill_debugfs EXIT 34 echo "set mmp sequence to EXT2_MMP_SEQ_FSCK..." >> $test_name.log 35 ( { echo dump_mmp; echo "dump_inode <2> $MARKFILE"; cat /dev/zero; } | 36 $DEBUGFS -w $TMPFILE >> $test_name.log 2>&1 & ) > /dev/null 2>&1 & 37 echo "wait until debugfs has started ..." >> $test_name.log 38 while [ ! -e $MARKFILE ]; do 39 sleep 1 40 done 41 rm -f $MARKFILE 42 echo "kill debugfs abruptly (simulates e2fsck failure) ..." >> $test_name.log 43 kill_debugfs 44 45 46 echo "e2fsck (should fail mmp_seq = EXT2_MMP_SEQ_FSCK) ..." >> $test_name.log 47 $FSCK $FSCK_OPT $TMPFILE >> $test_name.log 2>&1 48 status=$? 49 if [ "$status" = 0 ] ; then 50 echo "e2fsck with MMP as EXT2_MMP_SEQ_FSCK ran!" > $test_name.failed 51 echo "$test_name: $test_description: failed" 52 return 1 53 fi 54 55 echo "clear mmp_seq with tune2fs ..." >> $test_name.log 56 $TUNE2FS -f -E clear_mmp $TMPFILE >> $test_name.log 2>&1 57 status=$? 58 if [ "$status" != 0 ] ; then 59 echo "tune2fs clearing EXT2_MMP_SEQ_FSCK failed" > $test_name.failed 60 echo "$test_name: $test_description: failed" 61 return 1 62 fi 63 64 echo "run e2fsck again (should pass with clean mmp_seq) ..." >> $test_name.log 65 $FSCK $FSCK_OPT $TMPFILE >> $test_name.log 2>&1 66 status=$? 67 if [ "$status" != 0 ] ; then 68 echo "e2fsck after clearing EXT2_MMP_SEQ_FSCK failed"> $test_name.failed 69 echo "$test_name: $test_description: failed" 70 return $status 71 fi 72 73 echo "$test_name: $test_description: ok" 74 rm -f $TMPFILE 75