diff options
| -rwxr-xr-x | tests/btrfs/297 | 85 | ||||
| -rw-r--r-- | tests/btrfs/297.out | 2 |
2 files changed, 87 insertions, 0 deletions
diff --git a/tests/btrfs/297 b/tests/btrfs/297 new file mode 100755 index 00000000..a0023861 --- /dev/null +++ b/tests/btrfs/297 @@ -0,0 +1,85 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2023 SUSE Linux Products GmbH. All Rights Reserved. +# +# FS QA Test 297 +# +# Make sure btrfs scrub can fix parity stripe corruption +# +. ./common/preamble +_begin_fstest auto quick raid scrub + +. ./common/filter + +_supported_fs btrfs +_require_odirect +_require_non_zoned_device "${SCRATCH_DEV}" +_require_scratch_dev_pool 3 +_fixed_by_kernel_commit 486c737f7fdc \ + "btrfs: raid56: always verify the P/Q contents for scrub" + +workload() +{ + local profile=$1 + local nr_devs=$2 + + echo "=== Testing $nr_devs devices $profile ===" >> $seqres.full + _scratch_dev_pool_get $nr_devs + + _scratch_pool_mkfs -d $profile -m single >> $seqres.full 2>&1 + # Use v2 space cache to prevent v1 space cache affecting + # the result. + _scratch_mount -o space_cache=v2 + + # Create one 64K extent which would cover one data stripe. + $XFS_IO_PROG -f -d -c "pwrite -S 0xaa -b 64K 0 64K" \ + "$SCRATCH_MNT/foobar" > /dev/null + sync + + # Corrupt the P/Q stripe + local logical=$(_btrfs_get_first_logical $SCRATCH_MNT/foobar) + + # The 2nd copy is pointed to P stripe directly. + physical_p=$(_btrfs_get_physical ${logical} 2) + devpath_p=$(_btrfs_get_device_path ${logical} 2) + + _scratch_unmount + + echo "Corrupt stripe P at devpath $devpath_p physical $physical_p" \ + >> $seqres.full + $XFS_IO_PROG -d -c "pwrite -S 0xff -b 64K $physical_p 64K" $devpath_p \ + > /dev/null + + # Do a scrub to try repair the P stripe. + _scratch_mount -o space_cache=v2 + $BTRFS_UTIL_PROG scrub start -BdR $SCRATCH_MNT >> $seqres.full 2>&1 + _scratch_unmount + + # Verify the repaired content directly + local output=$($XFS_IO_PROG -c "pread -qv $physical_p 16" $devpath_p | _filter_xfs_io_offset) + local expect="XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................" + + echo "The first 16 bytes of parity stripe after scrub:" >> $seqres.full + echo $output >> $seqres.full + if [ "$output" != "$expect" ]; then + echo "Unexpected parity content" + echo "has:" + echo "$output" + echo "expect" + echo "$expect" + fi + + # Last safenet, let btrfs check --check-data-csum to do an offline scrub. + $BTRFS_UTIL_PROG check --check-data-csum $SCRATCH_DEV >> $seqres.full 2>&1 + if [ $? -ne 0 ]; then + echo "Error detected after the scrub" + fi + _scratch_dev_pool_put +} + +workload raid5 2 +workload raid6 3 + +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/297.out b/tests/btrfs/297.out new file mode 100644 index 00000000..41c373c4 --- /dev/null +++ b/tests/btrfs/297.out @@ -0,0 +1,2 @@ +QA output created by 297 +Silence is golden |