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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Jaegeuk Kim. All Rights Reserved.
#
# FS QA Test 392
#
# Test inode's metadata after fsync or fdatasync calls.
# In the case of fsync, filesystem should recover all the inode metadata, while
# recovering for fdatasync it should at least recovery i_size.
#
. ./common/preamble
_begin_fstest shutdown auto quick metadata punch
status=0 # failure will be detected in runtime!
# Import common functions.
. ./common/filter
. ./common/punch
# real QA test starts here
_supported_fs generic
_require_scratch
_require_scratch_shutdown
_require_xfs_io_command "fpunch"
_scratch_mkfs >/dev/null 2>&1
_require_metadata_journaling $SCRATCH_DEV
_scratch_mount
testfile=$SCRATCH_MNT/testfile
# check inode metadata after shutdown
check_inode_metadata()
{
sync_mode=$1
# fsync or fdatasync
if [ $sync_mode = "fsync" ]; then
stat_opt='-c "s: %s a: %x m: %y c: %z"'
else
stat_opt='-c "s: %s"'
fi
before=`stat "$stat_opt" $testfile`
$XFS_IO_PROG -c "$sync_mode" $testfile | _filter_xfs_io
_scratch_shutdown | tee -a $seqres.full
_scratch_cycle_mount
after=`stat "$stat_opt" $testfile`
if [ "$before" != "$after" ]; then
echo "Before: $before"
echo "After : $after"
status=1; # this is a failure!
fi
echo "Before: $before" >> $seqres.full
echo "After : $after" >> $seqres.full
rm $testfile
}
# append XX KB with f{data}sync, followed by power-cut
test_i_size()
{
echo "==== i_size $2 test with $1 ====" | tee -a $seqres.full
$XFS_IO_PROG -f -c "truncate 4M" \
-c "pwrite 0 4M" \
-c "fsync" \
-c "pwrite 4M $2" \
$testfile >/dev/null
check_inode_metadata $1
}
# update times with f{data}sync, followed by power-cut
test_i_time()
{
echo "==== i_time test with $1 ====" | tee -a $seqres.full
$XFS_IO_PROG -f -c "truncate 4M" \
-c "pwrite 0 4M" \
-c "fsync" \
$testfile >/dev/null
sleep 1
touch $testfile
check_inode_metadata $1
}
# punch XX KB with f{data}sync, followed by power-cut
test_punch()
{
echo "==== fpunch $2 test with $1 ====" | tee -a $seqres.full
$XFS_IO_PROG -f -c "truncate 4202496" \
-c "pwrite 0 4202496" \
-c "fsync" \
-c "fpunch 4194304 $2"\
$testfile >/dev/null
check_inode_metadata $1
}
for i in fsync fdatasync; do
test_i_size $i 1024
test_i_size $i 4096
test_i_time $i
test_punch $i 1024
test_punch $i 4096
done
exit
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