4 # Concurrent I/O to same file to ensure no deadlocks
6 #-----------------------------------------------------------------------
7 # Copyright (c) 2006 Silicon Graphics, Inc. All Rights Reserved.
9 # This program is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU General Public License as
11 # published by the Free Software Foundation.
13 # This program is distributed in the hope that it would be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write the Free Software Foundation,
20 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
28 echo "QA output created by $seq"
32 status=1 # failure is the default!
33 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
44 # real QA test starts here
46 _supported_os Linux IRIX
50 _scratch_mkfs >/dev/null 2>&1
56 # pipe error into /dev/null, in case not mounted (after _require_scratch)
57 umount $SCRATCH_MNT 2>/dev/null
68 # create file with async I/O
69 xfs_io -F -f -c 'pwrite -b 4k -S 0x12 0 4k' async_file > /dev/null
71 # create file with sync I/O
72 xfs_io -F -f -s -c 'pwrite -b 4k -S 0x34 0 4k' sync_file > /dev/null
74 # create file with sync I/O
75 xfs_io -F -f -d -c 'pwrite -b 4k -S 0x56 0 4k' direct_file > /dev/null
77 # create file, truncate and then dirty again
78 xfs_io -F -f -c 'pwrite -b 4k -S 0x78 0 4k' trunc_file > /dev/null
79 xfs_io -F -f -c 'truncate 2k' trunc_file > /dev/null
80 xfs_io -F -c 'pwrite 1k 0 1k' trunc_file > /dev/null
84 # check file size and contents
90 rm -f async_file sync_file direct_file trunc_file