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generic: test for atime-related mount options
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) Signed-off-by: Koen De Wit <koen.de.wit@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Koen De Wit
committed by
Dave Chinner
Dave Chinner
parent
053556537f
commit
db6d20e672
@@ -2159,6 +2159,14 @@ _verify_reflink()
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|| echo "$1 and $2 are not reflinks: different extents"
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}
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_require_relatime()
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{
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_scratch_mkfs > /dev/null 2>&1
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_mount -t $FSTYP -o relatime $SCRATCH_DEV $SCRATCH_MNT || \
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_notrun "relatime not supported by the current kernel"
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_scratch_unmount
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}
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_create_loop_device()
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{
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file=$1
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Executable
+199
@@ -0,0 +1,199 @@
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# Tests the noatime, relatime, strictatime and nodiratime mount options.
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# There is an extra check for Btrfs to ensure that the access time is
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# never updated on read-only subvolumes. (Regression test for bug fixed
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# with commit 93fd63c2f001ca6797c6b15b696a484b165b4800)
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2014, Oracle and/or its affiliates. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_relatime
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rm -f $seqres.full
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_stat() {
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stat --printf="%x;%y;%z" $1
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}
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_compare_stat_times() {
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updated=$1 # 3 chars indicating if access, modify and
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# change times should be updated (Y) or not (N)
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IFS=';' read -a first_stat <<< "$2" # Convert first stat to array
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IFS=';' read -a second_stat <<< "$3" # Convert second stat to array
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test_step=$4 # Will be printed to output stream in case of an
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# error, to make debugging easier
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types=( access modify change )
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for i in 0 1 2; do
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if [ "${first_stat[$i]}" == "${second_stat[$i]}" ]; then
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if [ "${updated:$i:1}" == "Y" ]; then
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echo -n "ERROR: ${types[$i]} time has not been updated "
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echo $test_step
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fi
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else
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if [ "${updated:$i:1}" == "N" ]; then
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echo -n "ERROR: ${types[$i]} time has changed "
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echo $test_step
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fi
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fi
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done
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}
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_scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"
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_scratch_mount "-o relatime"
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if [ "$FSTYP" = "btrfs" ]; then
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TPATH=$SCRATCH_MNT/sub1
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$BTRFS_UTIL_PROG subvolume create $TPATH > $seqres.full
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else
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TPATH=$SCRATCH_MNT
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fi
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mkdir $TPATH/dir1
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echo "aaa" > $TPATH/dir1/file1
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file1_stat_before_first_access=`_stat $TPATH/dir1/file1`
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# Accessing file1 the first time
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cat $TPATH/dir1/file1 > /dev/null
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file1_stat_after_first_access=`_stat $TPATH/dir1/file1`
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_compare_stat_times YNN "$file1_stat_before_first_access" \
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"$file1_stat_after_first_access" "after accessing file1 first time"
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# Accessing file1 a second time
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cat $TPATH/dir1/file1 > /dev/null
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file1_stat_after_second_access=`_stat $TPATH/dir1/file1`
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_compare_stat_times NNN "$file1_stat_after_first_access" \
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"$file1_stat_after_second_access" "after accessing file1 second time"
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# Remounting with nodiratime option
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_scratch_unmount
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_scratch_mount "-o nodiratime"
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file1_stat_after_remount=`_stat $TPATH/dir1/file1`
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_compare_stat_times NNN "$file1_stat_after_second_access" \
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"$file1_stat_after_remount" "for file1 after remount"
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# Creating dir2 and file2, checking directory stats
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mkdir $TPATH/dir2
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dir2_stat_before_file_creation=`_stat $TPATH/dir2`
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echo "bbb" > $TPATH/dir2/file2
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dir2_stat_after_file_creation=`_stat $TPATH/dir2`
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_compare_stat_times NYY "$dir2_stat_before_file_creation" \
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"$dir2_stat_after_file_creation" "for dir2 after file creation"
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# Accessing file2
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file2_stat_before_first_access=`_stat $TPATH/dir2/file2`
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cat $TPATH/dir2/file2 > /dev/null
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file2_stat_after_first_access=`_stat $TPATH/dir2/file2`
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_compare_stat_times YNN "$file2_stat_before_first_access" \
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"$file2_stat_after_first_access" "after accessing file2"
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dir2_stat_after_file_access=`_stat $TPATH/dir2`
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_compare_stat_times NNN "$dir2_stat_after_file_creation" \
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"$dir2_stat_after_file_access" "for dir2 after file access"
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# Remounting with noatime option, creating a file and accessing it
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_scratch_unmount
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_scratch_mount "-o noatime"
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echo "ccc" > $TPATH/dir2/file3
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file3_stat_before_first_access=`_stat $TPATH/dir2/file3`
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cat $TPATH/dir2/file3 > /dev/null
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file3_stat_after_first_access=`_stat $TPATH/dir2/file3`
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_compare_stat_times NNN "$file3_stat_before_first_access" \
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"$file3_stat_after_first_access" "after accessing file3 first time"
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# Checking that the modify and change times are still updated
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file1_stat_before_modify=`_stat $TPATH/dir1/file1`
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echo "xyz" > $TPATH/dir1/file1
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file1_stat_after_modify=`_stat $TPATH/dir1/file1`
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_compare_stat_times NYY "$file1_stat_before_modify" \
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"$file1_stat_after_modify" "after modifying file1"
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mv $TPATH/dir1/file1 $TPATH/dir1/file1_renamed
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file1_stat_after_change=`_stat $TPATH/dir1/file1_renamed`
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_compare_stat_times NNY "$file1_stat_after_modify" \
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"$file1_stat_after_change" "after changing file1"
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# Remounting with strictatime option and
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# accessing a previously created file twice
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_scratch_unmount
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_scratch_mount "-o strictatime"
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cat $TPATH/dir2/file3 > /dev/null
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file3_stat_after_second_access=`_stat $TPATH/dir2/file3`
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_compare_stat_times YNN "$file3_stat_after_first_access" \
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"$file3_stat_after_second_access" "after accessing file3 second time"
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cat $TPATH/dir2/file3 > /dev/null
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file3_stat_after_third_access=`_stat $TPATH/dir2/file3`
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_compare_stat_times YNN "$file3_stat_after_second_access" \
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"$file3_stat_after_third_access" "after accessing file3 third time"
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# Btrfs only: Creating readonly snapshot. Access time should never
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# be updated, even when the strictatime mount option is active
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if [ "$FSTYP" = "btrfs" ]; then
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SPATH=$SCRATCH_MNT/snap1
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btrfs subvol snapshot -r $TPATH $SPATH >> $seqres.full
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dir2_stat_readonly_before_access=`_stat $SPATH/dir2`
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ls $SPATH/dir2 >> $seqres.full
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cat $SPATH/dir2/file3 >> $seqres.full
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dir2_stat_readonly_after_access=`_stat $SPATH/dir2`
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_compare_stat_times NNN "$dir2_stat_readonly_before_access" \
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"$dir2_stat_readonly_after_access" "for dir in readonly subvol"
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file3_stat_readonly_after_access=`_stat $SPATH/dir2/file3`
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_compare_stat_times NNN "$file3_stat_after_third_access" \
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"$file3_stat_readonly_after_access" "for file in readonly subvol"
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fi
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# Remounting read-only. Access time should never be updated, despite the
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# strictatime mount option.
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dir2_stat_before_ro_mount=`_stat $TPATH/dir2`
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file3_stat_before_ro_mount=`_stat $TPATH/dir2/file3`
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_scratch_unmount
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_scratch_mount "-o ro,strictatime"
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ls $TPATH/dir2 > /dev/null
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cat $TPATH/dir2/file3 > /dev/null
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dir2_stat_after_ro_mount=`_stat $TPATH/dir2`
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_compare_stat_times NNN "$dir2_stat_before_ro_mount" \
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"$dir2_stat_after_ro_mount" "for dir in read-only filesystem"
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file3_stat_after_ro_mount=`_stat $TPATH/dir2/file3`
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_compare_stat_times NNN "$file3_stat_before_ro_mount" \
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"$file3_stat_after_ro_mount" "for file in read-only filesystem"
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# success, all done
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_scratch_unmount
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echo "Silence is golden"
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status=0
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exit
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@@ -0,0 +1,2 @@
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QA output created by 003
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Silence is golden
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@@ -5,6 +5,7 @@
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#
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001 rw dir udf auto quick
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002 metadata udf auto quick
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003 atime auto quick
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005 dir udf auto quick
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006 dir udf auto quick
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007 dir udf auto quick
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