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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 009
#
# XFS allocator test (preallocation - allocp, resvsp ,etc)
#
. ./common/preamble
_begin_fstest rw ioctl auto prealloc quick
# Override the default cleanup function.
_cleanup()
{
echo "*** unmount"
_scratch_unmount
}
_init()
{
echo "*** mkfs"
if ! _scratch_mkfs_xfs >$tmp.out 2>&1
then
cat $tmp.out
echo "failed to mkfs $SCRATCH_DEV"
exit 1
fi
echo "*** mount"
if ! _try_scratch_mount
then
echo "failed to mount $SCRATCH_DEV"
exit 1
fi
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_scratch
_require_xfs_io_command "falloc"
_filesize()
{
ls -l $1 | $AWK_PROG -v bsize="$bsize" '{print "filesize = " $5 / bsize}'
}
_block_filter()
{
$AWK_PROG -v bsize="$bsize" '
/blocksize/ {
printf(" blocksize BSIZE\n")
next
}
/CMD/ {
split($3, off, "=")
offset = strtonum(off[2])
if (offset != -1)
offset = offset / bsize
split($4, len, "=")
nr_blocks = strtonum(len[2])
if (nr_blocks != -1)
nr_blocks = nr_blocks / bsize
printf(" %s %s off=%s, len=%d\n", $1, $2, offset, nr_blocks)
next
}
/MAP/ {
split($2, off, "=")
offset = strtonum(off[2])
if (offset != -1)
offset = offset / bsize
split($3, len, "=")
nr_blocks = strtonum(len[2])
if (nr_blocks != -1)
nr_blocks = nr_blocks / bsize
printf(" %s off=%s, len=%d %s\n", $1, offset, nr_blocks, $4)
next
}
/TRUNCATE/ {
split($2, off, "=")
offset = strtonum(off[2]) / bsize
printf(" %s off=%s\n", $1, offset)
next
}
/\[[0-9]+,[0-9]+\]:/ {
printf(" %s BLOCKRANGE\n", $1)
next
}
{
print
next
}
'
}
_init
out=$SCRATCH_MNT/$$.tmp
# This isn't really related to fs block size, it's just what
# alloc uses for the "block" unit in it's input parameters...
# However, xfs_alloc_file_space() rounds up allocation
# request by the filesystem's block size.
bsize=$(_get_file_block_size $SCRATCH_MNT)
# since we're using a clean FS here, we make some assumptions
# about availability of contiguous blocks
# also interesting to note is that ALLOC == FREE. seriously.
# the _length is ignored_ in irix. the file is allocated up
# to the specified offset, and zero filled if previously
# unallocated. the file is truncated at the specified point.
echo "*** test 1 - reservations cleared on O_TRUNC"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
r 0 1000b
m
EOF
_filesize $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out -t | _block_filter
m
EOF
_filesize $out
echo "*** test 2 - reserve & filesize"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
r 0 1000b
EOF
_filesize $out
echo "*** test 3 - alloc & filesize"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
a 1000b
EOF
_filesize $out
echo "*** test 4 - allocations cleared on O_TRUNC"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
a 1000b
EOF
_filesize $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out -t | _block_filter
m
EOF
_filesize $out
echo "*** test 5 - reserve / unreserve"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
r 0 100b
u 100b 500b
m
u 900b 200b
m
EOF
echo "*** test 6 - reserve adjacent"
rm -f $out
cat <<EOF | $here/src/alloc -t -n -b $bsize -f $out | _block_filter
r 0 100b
r 100b 100b
m
EOF
echo "*** test 7 - alloc"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
a 1000b
m
a 2000b
m
EOF
_filesize $out
echo "*** test 8 - alloc & truncate"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
a 1000b
m
t 500b
m
EOF
_filesize $out
echo "*** test 9 - reserve & truncate"
rm -f $out
cat <<EOF | $here/src/alloc -n -b $bsize -f $out | _block_filter
r 0 1000b
m
t 500b
m
EOF
_filesize $out
status=0
exit
|
