| #! /bin/bash |
| # FS QA Test No. generic/003 |
| # |
| # Tests the noatime, relatime, strictatime and nodiratime mount options. |
| # There is an extra check for Btrfs to ensure that the access time is |
| # never updated on read-only subvolumes. (Regression test for bug fixed |
| # with commit 93fd63c2f001ca6797c6b15b696a484b165b4800) |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2014, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -rf $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| # real QA test starts here |
| |
| _supported_fs generic |
| _supported_os Linux |
| _require_scratch |
| _require_atime |
| _require_relatime |
| |
| rm -f $seqres.full |
| |
| _stat() { |
| stat -c "%x;%y;%z" $1 |
| } |
| |
| _compare_stat_times() { |
| updated=$1 # 3 chars indicating if access, modify and |
| # change times should be updated (Y) or not (N) |
| IFS=';' read -a first_stat <<< "$2" # Convert first stat to array |
| IFS=';' read -a second_stat <<< "$3" # Convert second stat to array |
| test_step=$4 # Will be printed to output stream in case of an |
| # error, to make debugging easier |
| types=( access modify change ) |
| |
| for i in 0 1 2; do |
| if [ "${first_stat[$i]}" == "${second_stat[$i]}" ]; then |
| if [ "${updated:$i:1}" == "N" ]; then |
| continue; |
| fi |
| echo -n "ERROR: ${types[$i]} time has not been updated " |
| echo $test_step |
| elif [ "${updated:$i:1}" == "N" ]; then |
| echo -n "ERROR: ${types[$i]} time has changed " |
| echo $test_step |
| fi |
| done |
| } |
| |
| _scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed" |
| _scratch_mount "-o relatime" |
| |
| if [ "$FSTYP" = "btrfs" ]; then |
| TPATH=$SCRATCH_MNT/sub1 |
| $BTRFS_UTIL_PROG subvolume create $TPATH > $seqres.full |
| else |
| TPATH=$SCRATCH_MNT |
| fi |
| |
| mkdir $TPATH/dir1 |
| echo "aaa" > $TPATH/dir1/file1 |
| file1_stat_before_first_access=`_stat $TPATH/dir1/file1` |
| |
| # Accessing file1 the first time |
| sleep 1 |
| cat $TPATH/dir1/file1 > /dev/null |
| file1_stat_after_first_access=`_stat $TPATH/dir1/file1` |
| _compare_stat_times YNN "$file1_stat_before_first_access" \ |
| "$file1_stat_after_first_access" "after accessing file1 first time" |
| |
| # Accessing file1 a second time |
| sleep 1 |
| cat $TPATH/dir1/file1 > /dev/null |
| file1_stat_after_second_access=`_stat $TPATH/dir1/file1` |
| _compare_stat_times NNN "$file1_stat_after_first_access" \ |
| "$file1_stat_after_second_access" "after accessing file1 second time" |
| |
| # Mounting with nodiratime option |
| _scratch_cycle_mount "nodiratime" |
| file1_stat_after_remount=`_stat $TPATH/dir1/file1` |
| _compare_stat_times NNN "$file1_stat_after_second_access" \ |
| "$file1_stat_after_remount" "for file1 after remount" |
| |
| # Creating dir2 and file2, checking directory stats |
| mkdir $TPATH/dir2 |
| dir2_stat_before_file_creation=`_stat $TPATH/dir2` |
| sleep 1 |
| echo "bbb" > $TPATH/dir2/file2 |
| dir2_stat_after_file_creation=`_stat $TPATH/dir2` |
| _compare_stat_times NYY "$dir2_stat_before_file_creation" \ |
| "$dir2_stat_after_file_creation" "for dir2 after file creation" |
| |
| # Accessing file2 |
| file2_stat_before_first_access=`_stat $TPATH/dir2/file2` |
| sleep 1 |
| cat $TPATH/dir2/file2 > /dev/null |
| file2_stat_after_first_access=`_stat $TPATH/dir2/file2` |
| _compare_stat_times YNN "$file2_stat_before_first_access" \ |
| "$file2_stat_after_first_access" "after accessing file2" |
| dir2_stat_after_file_access=`_stat $TPATH/dir2` |
| _compare_stat_times NNN "$dir2_stat_after_file_creation" \ |
| "$dir2_stat_after_file_access" "for dir2 after file access" |
| |
| # Mounting with noatime option, creating a file and accessing it |
| _scratch_cycle_mount "noatime" |
| echo "ccc" > $TPATH/dir2/file3 |
| file3_stat_before_first_access=`_stat $TPATH/dir2/file3` |
| sleep 1 |
| cat $TPATH/dir2/file3 > /dev/null |
| file3_stat_after_first_access=`_stat $TPATH/dir2/file3` |
| _compare_stat_times NNN "$file3_stat_before_first_access" \ |
| "$file3_stat_after_first_access" "after accessing file3 first time" |
| |
| # Checking that the modify and change times are still updated |
| file1_stat_before_modify=`_stat $TPATH/dir1/file1` |
| sleep 1 |
| echo "xyz" > $TPATH/dir1/file1 |
| file1_stat_after_modify=`_stat $TPATH/dir1/file1` |
| _compare_stat_times NYY "$file1_stat_before_modify" \ |
| "$file1_stat_after_modify" "after modifying file1" |
| sleep 1 |
| mv $TPATH/dir1/file1 $TPATH/dir1/file1_renamed |
| file1_stat_after_change=`_stat $TPATH/dir1/file1_renamed` |
| _compare_stat_times NNY "$file1_stat_after_modify" \ |
| "$file1_stat_after_change" "after changing file1" |
| |
| # Mounting with strictatime option and |
| # accessing a previously created file twice |
| _scratch_cycle_mount "strictatime" |
| cat $TPATH/dir2/file3 > /dev/null |
| file3_stat_after_second_access=`_stat $TPATH/dir2/file3` |
| _compare_stat_times YNN "$file3_stat_after_first_access" \ |
| "$file3_stat_after_second_access" "after accessing file3 second time" |
| sleep 1 |
| cat $TPATH/dir2/file3 > /dev/null |
| file3_stat_after_third_access=`_stat $TPATH/dir2/file3` |
| _compare_stat_times YNN "$file3_stat_after_second_access" \ |
| "$file3_stat_after_third_access" "after accessing file3 third time" |
| |
| # Btrfs only: Creating readonly snapshot. Access time should never |
| # be updated, even when the strictatime mount option is active |
| if [ "$FSTYP" = "btrfs" ]; then |
| SPATH=$SCRATCH_MNT/snap1 |
| btrfs subvol snapshot -r $TPATH $SPATH >> $seqres.full |
| dir2_stat_readonly_before_access=`_stat $SPATH/dir2` |
| sleep 1 |
| ls $SPATH/dir2 >> $seqres.full |
| cat $SPATH/dir2/file3 >> $seqres.full |
| dir2_stat_readonly_after_access=`_stat $SPATH/dir2` |
| _compare_stat_times NNN "$dir2_stat_readonly_before_access" \ |
| "$dir2_stat_readonly_after_access" "for dir in readonly subvol" |
| file3_stat_readonly_after_access=`_stat $SPATH/dir2/file3` |
| _compare_stat_times NNN "$file3_stat_after_third_access" \ |
| "$file3_stat_readonly_after_access" "for file in readonly subvol" |
| fi |
| |
| # Mounting read-only. Access time should never be updated, despite the |
| # strictatime mount option. |
| sleep 1 |
| dir2_stat_before_ro_mount=`_stat $TPATH/dir2` |
| file3_stat_before_ro_mount=`_stat $TPATH/dir2/file3` |
| _scratch_cycle_mount "ro,strictatime" |
| ls $TPATH/dir2 > /dev/null |
| cat $TPATH/dir2/file3 > /dev/null |
| dir2_stat_after_ro_mount=`_stat $TPATH/dir2` |
| _compare_stat_times NNN "$dir2_stat_before_ro_mount" \ |
| "$dir2_stat_after_ro_mount" "for dir in read-only filesystem" |
| file3_stat_after_ro_mount=`_stat $TPATH/dir2/file3` |
| _compare_stat_times NNN "$file3_stat_before_ro_mount" \ |
| "$file3_stat_after_ro_mount" "for file in read-only filesystem" |
| |
| # success, all done |
| _scratch_unmount |
| echo "Silence is golden" |
| status=0 |
| exit |