| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FS QA Test No. btrfs/148 |
| # |
| # Test that direct IO writes work on RAID5 and RAID6 filesystems. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| 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 btrfs |
| _require_scratch |
| _require_scratch_dev_pool 4 |
| _require_odirect |
| _require_btrfs_fs_feature raid56 |
| |
| _scratch_dev_pool_get 4 |
| |
| rm -f $seqres.full |
| |
| test_direct_io_write() |
| { |
| local mkfs_options=$1 |
| |
| _scratch_pool_mkfs $mkfs_options >>$seqres.full 2>&1 |
| _scratch_mount |
| |
| $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 1M" $SCRATCH_MNT/foo \ |
| | _filter_xfs_io |
| |
| # Now read back the same data, we expect to get what we wrote before. |
| echo "File data after direct IO write:" |
| od -t x1 $SCRATCH_MNT/foo | _filter_scratch |
| _scratch_cycle_mount |
| echo "File data after umounting and mounting again the filesystem:" |
| od -t x1 $SCRATCH_MNT/foo | _filter_scratch |
| |
| $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1 |
| if [ $? -ne 0 ]; then |
| echo "Scrub found errors" | tee -a $seqres.full |
| fi |
| |
| _scratch_unmount |
| } |
| |
| echo "Testing RAID5..." |
| test_direct_io_write "-m raid5 -d raid5" |
| echo "Testing RAID6..." |
| test_direct_io_write "-m raid6 -d raid6" |
| |
| _scratch_dev_pool_put |
| |
| status=0 |
| exit |