blob: e3e491f1df22e8c469de4fdbb09439442926de70 (
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
|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 109
#
# ENOSPC deadlock case from Asano Masahiro.
#
. ./common/preamble
_begin_fstest metadata auto
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_scratch
populate()
{
# "faststart" lets us effectively skip (re-)population
[ "X$faststart" != "X" ] && rm -f $SCRATCH_MNT/F*
# create many small files using most available space
echo "creating small files..."
i=0
while [ $i -le $files -a "X$faststart" = "X" ]; do
file=$SCRATCH_MNT/f$i
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 64k' $file >/dev/null
let i=$i+1
done
# remove every second file, freeing up lots of space
echo "removing small files..."
i=1
while [ $i -le $files -a "X$faststart" = "X" ]; do
rm $SCRATCH_MNT/f$i
let i=$i+2
done
echo "flushing changes via umount/mount."
_scratch_unmount
_scratch_mount
}
allocate()
{
# now try to hit the deadlock
echo "starting parallel allocators..."
i=0
while [ $i -le 10 ]; do
file=$SCRATCH_MNT/F$i
{
j=0
while [ $j -lt 100 ]; do
$XFS_IO_PROG -f -c 'pwrite -b 64k 0 16m' $file \
>/dev/null 2>&1
test -e $file && rm $file
let j=$j+1
done
} &
let i=$i+1
done
wait
echo "all done!"
}
# real QA test starts here
_scratch_mkfs_xfs >> $seqres.full
_scratch_mount
# see if faststart is possible (and requested)
files=2000
faststart=""
if [ -n "$FASTSTART" -a -f $SCRATCH_MNT/f0 ]; then
faststart="-N" # causes us to skip the mkfs step
fi
_scratch_unmount
_scratch_mkfs_xfs -dsize=320m,agcount=4 $faststart | _filter_mkfs 2>$tmp.mkfs
cat $tmp.mkfs >>$seqres.full
_scratch_mount
populate
allocate
status=0
exit
|
