blob: d122ee36089e08e28d67f080035e4845a4d8971c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Christoph Hellwig.
#
# FS QA Test 268
#
# Test that btrfs read repair on a raid1 profile won't loop forever if data
# is corrupted on both mirrors and can't be recovered.
#
. ./common/preamble
_begin_fstest auto quick read_repair
. ./common/filter
_supported_fs btrfs
_require_scratch
_require_odirect
# No data checksums for NOCOW case, so can't detect corruption and repair data.
_require_btrfs_no_nodatacow
_require_non_zoned_device "${SCRATCH_DEV}" # no overwrites on zoned devices
_require_scratch_dev_pool 2
_scratch_dev_pool_get 2
echo "step 1......mkfs.btrfs"
_scratch_pool_mkfs "-d raid1 -b 1G" >>$seqres.full 2>&1
_scratch_mount
$XFS_IO_PROG -f -d -c "pwrite -S 0xaa -b 256K 0 256K" \
"$SCRATCH_MNT/foobar" | \
_filter_xfs_io_offset
# ensure btrfs-map-logical sees the tree updates
sync
logical=$(_btrfs_get_first_logical $SCRATCH_MNT/foobar)
physical1=$(_btrfs_get_physical ${logical} 1)
devpath1=$(_btrfs_get_device_path ${logical} 1)
physical2=$(_btrfs_get_physical ${logical} 2)
devpath2=$(_btrfs_get_device_path ${logical} 2)
physical3=$(_btrfs_get_physical ${logical} 3)
devpath3=$(_btrfs_get_device_path ${logical} 3)
_scratch_unmount
echo "step 2......corrupt file extent"
$XFS_IO_PROG -d -c "pwrite -S 0xba -b 4K $physical1 4K" \
$devpath1 > /dev/null
$XFS_IO_PROG -d -c "pwrite -S 0xba -b 4K $physical2 4K" \
$devpath2 > /dev/null
_scratch_mount
echo "step 3......try to repair"
$XFS_IO_PROG -d -c "pread -b 4K 0 4K" $SCRATCH_MNT/foobar
_scratch_unmount
_scratch_dev_pool_put
# success, all done
status=0
exit
|
