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apfstests/tests/ext4/020
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) 2016 Red Hat Inc. All Rights Reserved.
#
# FS QA Test 020
#
# Test partial blocksize defrag integrity issue.
#
# Calling EXT4_IOC_MOVE_EXTENT on file not aligned with block size and block
# size is smaller than page size would cause integrity issue on the
# partial-blocksize part when copying data between orign file and donor file.
#
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 -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/defrag
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
_supported_fs ext4
_require_scratch
_require_defrag
e4compact=$here/src/e4compact
_require_test_program "e4compact"
testfile=$SCRATCH_MNT/$seq.orig
donorfile=$SCRATCH_MNT/$seq.donor
_scratch_mkfs >>$seqres.full 2>&1
_scratch_mount
# reserve space for donor file, written by 0xaa and sync to disk to avoid
# EBUSY on EXT4_IOC_MOVE_EXT
$XFS_IO_PROG -fc "pwrite -S 0xaa 0 1m" -c "fsync" $donorfile | _filter_xfs_io
# create test file with 1023 in size, written by 0xbb
# 1023 is smaller than 1k and works for any block size filesystems
$XFS_IO_PROG -fc "pwrite -S 0xbb 0 1023" -c "fsync" $testfile | _filter_xfs_io
# compute initial md5sum
md5sum $testfile > $tmp.md5sum
# drop cache, force e4compact to read data from disk
echo 3 > /proc/sys/vm/drop_caches
# test defrag
echo "$testfile" | $e4compact -i -v -f $donorfile >>$seqres.full
# check md5sum
md5sum -c $tmp.md5sum | _filter_scratch
# success, all done
status=0
exit