3 #-----------------------------------------------------------------------
4 # Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
6 # This program is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU General Public License as
8 # published by the Free Software Foundation.
10 # This program is distributed in the hope that it would be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write the Free Software Foundation,
17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #-----------------------------------------------------------------------
23 # ENOSPC deadlock case from Asano Masahiro.
29 echo "QA output created by $seq"
33 status=1 # failure is the default!
34 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
40 # real QA test starts here
42 _supported_os Linux XFS
47 # "faststart" lets us effectively skip (re-)population
48 [ "X$faststart" != "X" ] && rm -f $SCRATCH_MNT/F*
50 # create many small files using most available space
51 echo "creating small files..."
53 while [ $i -le $files -a "X$faststart" = "X" ]; do
55 xfs_io -f -d -c 'pwrite -b 64k 0 64k' $file >/dev/null
59 # remove every second file, freeing up lots of space
60 echo "removing small files..."
62 while [ $i -le $files -a "X$faststart" = "X" ]; do
67 echo "flushing changes via umount/mount."
74 # now try to hit the deadlock
75 echo "starting parallel allocators..."
77 while [ $i -le 10 ]; do
81 while [ $j -lt 100 ]; do
82 xfs_io -f -c 'pwrite -b 64k 0 16m' $file \
95 # real QA test starts here
96 umount $SCRATCH_DEV 2>/dev/null
99 # see if faststart is possible (and requested)
102 if [ -n "$FASTSTART" -a -f $SCRATCH_MNT/f0 ]; then
103 faststart="-N" # causes us to skip the mkfs step
107 _scratch_mkfs_xfs -dsize=160m,agcount=4 $faststart | _filter_mkfs 2>$tmp.mkfs
108 cat $tmp.mkfs >>$seq.full