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apfstests/tests/generic/474
T
Darrick J. Wong a860a167d8 common: kill _supported_os
fstests only supports Linux, so get rid of this unnecessary predicate.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2020-09-21 01:16:50 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Chengguang Xu <cgxu519@icloud.com>
#
# FS QA Test 474
#
# Inspired by syncfs bug of overlayfs which does not sync dirty inodes in
# underlying filesystem.
#
# Create a small file then run syncfs and shutdown filesystem(or underlying
# filesystem of overlayfs) to check syncfs result.
#
# Test will be skipped if filesystem(or underlying filesystem of overlayfs)
# does not support shutdown.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=0
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
_supported_fs generic
_require_fssum
_require_scratch
_require_scratch_shutdown
_require_xfs_io_command "syncfs"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
# Background writeback will flush dirty inode by dirty ratio and dirty time
# period(default 30 seconds), in order to avoid interference from it,
# run sync before test to make all dirty inodes clean, and it also
# accelerates syncfs on testing filesystem so that test case can finish
# in 30 seconds.
sync
# Large fs has a huge size .use_space file, will take long time on running
# fssum $SCRATCH_MNT. So change the target path to a sub-dir of $SCRATCH_MNT.
localdir=$SCRATCH_MNT/dir
mkdir $localdir
$XFS_IO_PROG -f -c "pwrite 0 4K" $localdir/testfile >/dev/null 2>&1
# fssum used for comparing checksum of test file(data & metedata),
# exclude checking about atime, block structure, open error.
$FSSUM_PROG -ugomAcdES -f -w $tmp.fssum $localdir
$XFS_IO_PROG -c "syncfs" $localdir/testfile >/dev/null 2>&1
_scratch_shutdown
_scratch_cycle_mount
$FSSUM_PROG -r $tmp.fssum $localdir
exit