blob: d3ac5adb5ecdd41346becf3509aa1979123ce58a (
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Western Digital Corporation. All Rights Reserved.
#
# FS QA Test No. 273
#
# Test that an active zone is properly reclaimed to allow the further
# allocations, even if the active zones are mostly filled.
#
. ./common/preamble
_begin_fstest auto quick snapshot zone
# Override the default cleanup function.
_cleanup()
{
cd /
# kill commands in stress_data_bgs_2
[ -n "$pid1" ] && kill $pid1
[ -n "$pid2" ] && kill $pid2
wait
}
. ./common/zoned
_supported_fs btrfs
_fixed_by_kernel_commit 2ce543f47843 \
"btrfs: zoned: wait until zone is finished when allocation didn't progress"
# which is further fixed by
_fixed_by_kernel_commit d5b81ced74af \
"btrfs: zoned: fix API misuse of zone finish waiting"
_require_zoned_device "$SCRATCH_DEV"
_require_limited_active_zones "$SCRATCH_DEV"
_require_command "$BLKZONE_PROG" blkzone
_require_btrfs_command inspect-internal dump-tree
# This test requires specific data space usage, skip if we have compression
# enabled.
_require_no_compress
max_active=$(cat $(_sysfs_dev ${SCRATCH_DEV})/queue/max_active_zones)
# Fill the zones leaving the last 1MB
fill_active_zones() {
# Asuumes we have the same capacity between zones.
local capacity=$(_zone_capacity 0)
local fill_size=$((capacity - 1024 * 1024))
for x in $(seq ${max_active}); do
dd if=/dev/zero of=${SCRATCH_MNT}/fill$(printf "%02d" $x) \
bs=${fill_size} count=1 oflag=direct 2>/dev/null
$BTRFS_UTIL_PROG filesystem sync ${SCRATCH_MNT}
local nactive=$($BLKZONE_PROG report ${SCRATCH_DEV} | grep oi | wc -l)
if [[ ${nactive} == ${max_active} ]]; then
break
fi
done
echo "max active zones: ${max_active}" >> $seqres.full
$BLKZONE_PROG report ${SCRATCH_DEV} | grep oi | cat -n >> $seqres.full
}
workout() {
local func="$1"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
fill_active_zones
eval "$func" || _fail "${func} failed"
_scratch_unmount
_check_btrfs_filesystem ${SCRATCH_DEV}
}
stress_data_bgs() {
# This dd fails with ENOSPC, which should not :(
dd if=/dev/zero of=${SCRATCH_MNT}/large bs=64M count=1 oflag=sync \
>>$seqres.full 2>&1
}
stress_data_bgs_2() {
# This dd fails with ENOSPC, which should not :(
dd if=/dev/zero of=${SCRATCH_MNT}/large bs=64M count=10 conv=fsync \
>>$seqres.full 2>&1 &
pid1=$!
dd if=/dev/zero of=${SCRATCH_MNT}/large2 bs=64M count=10 conv=fsync \
>>$seqres.full 2>&1 &
pid2=$!
wait $pid1; local ret1=$?; unset pid1
wait $pid2; local ret2=$?; unset pid2
if [ $ret1 -ne 0 -o $ret2 -ne 0 ]; then
return 1
fi
return 0
}
get_meta_bgs() {
$BTRFS_UTIL_PROG inspect-internal dump-tree -t EXTENT ${SCRATCH_DEV} |
grep BLOCK_GROUP -A 1 |grep -B1 'METADATA|' |
grep -oP '\(\d+ BLOCK_GROUP_ITEM \d+\)'
}
# This test case does not return the result because
# _btrfs will call _fail() in the error case anyway.
stress_metadata_bgs() {
local metabgs=$(get_meta_bgs)
local count=0
while : ; do
_btrfs subvolume snapshot ${SCRATCH_MNT} ${SCRATCH_MNT}/snap$i
_btrfs filesystem sync ${SCRATCH_MNT}
cur_metabgs=$(get_meta_bgs)
if [[ "${cur_metabgs}" != "${metabgs}" ]]; then
break
fi
i=$((i + 1))
done
}
WORKS=(
stress_data_bgs
stress_data_bgs_2
stress_metadata_bgs
)
for work in "${WORKS[@]}"; do
workout "${work}"
done
echo "Silence is golden"
# success, all done
status=0
exit
|
