| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017, Oracle and/or its affiliates. |
| # Copyright (C) 2019, CTERA Networks. |
| # All Rights Reserved. |
| # |
| # FS QA Test No. 525 |
| # |
| # Check that high-offset reads and writes work. |
| # |
| # This is a variant of test generic/466 for filesystems that |
| # do not support mkfs_sized. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick rw |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch |
| |
| _scratch_mkfs >>$seqres.full 2>&1 |
| _scratch_mount |
| |
| testdir=$SCRATCH_MNT |
| |
| echo "++ Create the original files" >> $seqres.full |
| bigoff=$(echo "2^63 - 2" | $BC_PROG) |
| len=$(echo "2^63 - 1" | $BC_PROG) |
| $XFS_IO_PROG -f -c "truncate $len" $testdir/file0 >> $seqres.full 2>&1 |
| if [ ! -s $testdir/file0 ]; then |
| # If we can't set a large file size then don't bother |
| # with read/write tests, because fs doesn't support it. |
| _notrun "filesystem does not support huge file size" |
| fi |
| _pwrite_byte 0x61 $bigoff 1 $testdir/file1 >> $seqres.full |
| |
| echo "++ Check file creation" >> $seqres.full |
| _scratch_cycle_mount |
| |
| $XFS_IO_PROG -c "pread -v -q $bigoff 1" $testdir/file1 |
| |
| # success, all done |
| status=0 |
| exit |
