mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
813524b566
Since $TESTDIR is a local variable, make it lowercase to avoid confusion with $TEST_DIR. While we're at it, make all the local variables lowercase. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
94 lines
2.5 KiB
Bash
Executable File
94 lines
2.5 KiB
Bash
Executable File
#! /bin/bash
|
|
# FS QA Test No. 110
|
|
#
|
|
# Tests file clone functionality of btrfs ("reflinks"):
|
|
# - Reflink a file
|
|
# - Reflink the reflinked file
|
|
# - Modify the original file
|
|
# - Modify the reflinked file
|
|
#
|
|
#-----------------------------------------------------------------------
|
|
# 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 -f $tmp.* "$testdir"
|
|
}
|
|
|
|
# get standard environment, filters and checks
|
|
. common/rc
|
|
. common/filter
|
|
. common/reflink
|
|
|
|
# real QA test starts here
|
|
_require_test_reflink
|
|
_supported_os Linux
|
|
|
|
_require_xfs_io_command "fiemap"
|
|
_require_cp_reflink
|
|
_require_test
|
|
|
|
testdir1=$TEST_DIR/test-$seq
|
|
rm -rf $testdir1
|
|
mkdir $testdir1
|
|
|
|
_checksum_files() {
|
|
for F in original copy1 copy2
|
|
do
|
|
md5sum $testdir1/$F | _filter_test_dir
|
|
done
|
|
}
|
|
|
|
rm -f $seqres.full
|
|
|
|
echo "Create the original file and reflink to copy1, copy2"
|
|
$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 9000' $testdir1/original \
|
|
>> $seqres.full 2>&1
|
|
cp --reflink $testdir1/original $testdir1/copy1
|
|
cp --reflink $testdir1/copy1 $testdir1/copy2
|
|
_verify_reflink $testdir1/original $testdir1/copy1
|
|
_verify_reflink $testdir1/original $testdir1/copy2
|
|
echo "Original md5sums:"
|
|
_checksum_files
|
|
|
|
echo "Overwrite original file with new data"
|
|
$XFS_IO_PROG -c 'pwrite -S 0x62 0 9000' $testdir1/original \
|
|
>> $seqres.full 2>&1
|
|
echo "md5sums after overwriting original:"
|
|
_checksum_files
|
|
|
|
echo "Overwrite copy1 with different new data"
|
|
$XFS_IO_PROG -c 'pwrite -S 0x63 0 9000' $testdir1/copy1 \
|
|
>> $seqres.full 2>&1
|
|
echo "md5sums after overwriting copy1:"
|
|
_checksum_files
|
|
|
|
# success, all done
|
|
status=0
|
|
exit
|