1 test_description="disable csum seed on mounted fs via tune2fs after changing uuid" 2 3 trap "rm -rf $TMPFILE $TMPFILE.conf" EXIT INT QUIT 4 dd if=/dev/zero of=$TMPFILE bs=1k count=512 > /dev/null 2>&1 5 OUT=$test_name.log 6 EXP=$test_dir/expect 7 rm -rf $OUT 8 9 # Test command line option 10 echo "create fs without csum_seed" >> $OUT 11 $MKE2FS -O metadata_csum,^metadata_csum_seed -U 6b33f586-a183-4383-921d-30da3fef2e5c -F $TMPFILE > /dev/null 2>&1 12 $DUMPE2FS $TMPFILE 2>&1 | egrep '(Checksum seed:|UUID)' >> $OUT 13 14 echo "turn on csum_seed" >> $OUT 15 $TUNE2FS -O metadata_csum_seed $TMPFILE > /dev/null 2>&1 16 $DUMPE2FS $TMPFILE 2>&1 | egrep '(Checksum seed:|UUID)' >> $OUT 17 18 echo "change UUID" >> $OUT 19 $TUNE2FS -U a61be2e0-b3b8-4fbc-b2cd-d84b306b9731 $TMPFILE > /dev/null 2>&1 20 $DUMPE2FS $TMPFILE 2>&1 | egrep '(Checksum seed:|UUID)' >> $OUT 21 22 echo "check filesystem" >> $OUT 23 $FSCK $FSCK_OPT -fy $TMPFILE > /dev/null 2>&1 24 echo "fsck returns $?" >> $OUT 25 $DUMPE2FS $TMPFILE 2>&1 | egrep '(Checksum seed:|UUID)' >> $OUT 26 27 echo "turn off csum_seed" >> $OUT 28 EXT2FS_PRETEND_RW_MOUNT=1 $TUNE2FS -O ^metadata_csum_seed $TMPFILE > /dev/null 2>&1 29 $DUMPE2FS $TMPFILE 2>&1 | egrep '(Checksum seed:|UUID)' >> $OUT 30 31 echo "check filesystem" >> $OUT 32 $FSCK $FSCK_OPT -fy $TMPFILE > /dev/null 2>&1 33 echo "fsck returns $?" >> $OUT 34 $DUMPE2FS $TMPFILE 2>&1 | egrep '(Checksum seed:|UUID)' >> $OUT 35 36 cmp -s $OUT $EXP 37 status=$? 38 39 if [ "$status" = 0 ] ; then 40 echo "$test_name: $test_description: ok" 41 touch $test_name.ok 42 else 43 echo "$test_name: $test_description: failed" 44 diff $DIFF_OPTS $EXP $OUT > $test_name.failed 45 rm -f $test_name.tmp 46 fi 47 48
