| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # FS QA Test No. 466 |
| # |
| # Check that high-offset reads and writes work. |
| # |
| 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 |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch_nocheck |
| _require_block_device $SCRATCH_DEV |
| |
| rm -f $seqres.full |
| |
| echo "Silence is golden" |
| |
| # clear MKFS_OPTIONS which may contain user specified block size value, and |
| # _scratch_mkfs_sized will always use that value to create filesystem. |
| unset MKFS_OPTIONS |
| |
| echo "Starting test" > $seqres.full |
| devsize=$(blockdev --getsize64 $SCRATCH_DEV) |
| for blocksize in 512 1024 2048 4096 8192 16384 32768 65536; do |
| echo "+ Format blocksize $blocksize and mount" >> $seqres.full |
| _scratch_unmount > /dev/null 2>&1 |
| # Try to format and mount with the given blocksize. If they don't |
| # succeed, move on to the next block size. |
| if ! _scratch_mkfs_sized $devsize $blocksize >> $seqres.full 2>&1 || |
| ! _try_scratch_mount >> $seqres.full 2>&1 || |
| test "$(stat -f -c '%S' $SCRATCH_MNT)" -ne "$blocksize"; then |
| echo "+++ Format and mount failed" >> $seqres.full |
| continue |
| fi |
| |
| testdir=$SCRATCH_MNT/test-$seq |
| mkdir $testdir |
| |
| 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 this blocksize because the fs doesn't support it. |
| echo "+++ High offset ftruncate failed" >> $seqres.full |
| continue |
| fi |
| _pwrite_byte 0x61 $bigoff 1 $testdir/file1 >> $seqres.full |
| |
| echo "++ Check file creation" >> $seqres.full |
| _scratch_cycle_mount |
| |
| expected="7ffffffffffffffe: 61 a" |
| actual="$($XFS_IO_PROG -c "pread -v -q $bigoff 1" $testdir/file1)" |
| if [ "$expected" = "$actual" ]; then |
| echo "+++ Success!" >> $seqres.full |
| else |
| echo "+++ Discrepancy @ blocksize $blocksize" >> $seqres.full |
| echo "Discrepancy @ blocksize $blocksize" |
| fi |
| |
| echo "++ Check scratchfs" >> $seqres.full |
| _check_scratch_fs |
| done |
| |
| # success, all done |
| status=0 |
| exit |