| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # FS QA Test No. 241 |
| # |
| # Test AIO CoW behavior. |
| # |
| 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 -rf $tmp.* $TEST_DIR/moo |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/reflink |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _require_scratch_reflink |
| _require_cp_reflink |
| _require_xfs_io_command "cowextsize" |
| _require_aiodio "aiocp" |
| AIO_TEST="$here/src/aio-dio-regress/aiocp" |
| |
| rm -f $seqres.full |
| |
| |
| echo "Format and mount" |
| _scratch_mkfs > $seqres.full 2>&1 |
| _scratch_mount >> $seqres.full 2>&1 |
| |
| testdir=$SCRATCH_MNT/test-$seq |
| mkdir $testdir |
| |
| blksz=65536 |
| nr=640 |
| bufnr=128 |
| filesize=$((blksz * nr)) |
| bufsize=$((blksz * bufnr)) |
| filesize=$filesize |
| bufsize=$bufsize |
| |
| _require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4)) |
| |
| echo "Create the original files" |
| $XFS_IO_PROG -c "cowextsize $((bufsize * 2))" $testdir |
| $XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full |
| _cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full |
| _scratch_cycle_mount |
| |
| echo "Compare files" |
| md5sum $testdir/file1 | _filter_scratch |
| md5sum $testdir/file2 | _filter_scratch |
| |
| echo "CoW and unmount" |
| $XFS_IO_PROG -f -c "pwrite -S 0x63 $bufsize 1" $testdir/file2 >> $seqres.full |
| $XFS_IO_PROG -f -c "pwrite -S 0x63 -b $bufsize 0 $filesize" $TEST_DIR/moo >> $seqres.full |
| sync |
| $AIO_TEST -b $bufsize $TEST_DIR/moo $testdir/file2 >> $seqres.full |
| _scratch_cycle_mount |
| |
| echo "Compare files" |
| md5sum $testdir/file1 | _filter_scratch |
| md5sum $testdir/file2 | _filter_scratch |
| |
| echo "Check for damage" |
| umount $SCRATCH_MNT |
| _repair_scratch_fs >> $seqres.full |
| |
| # success, all done |
| status=0 |
| exit |