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Test to verify that the on-disk file size is updated correctly.
Merge of master-melb:xfs-cmds:27179a by kenmcd.

#! /bin/sh
# FSQA Test No. 133
#
# Concurrent I/O to same file to ensure no deadlocks
#
#-----------------------------------------------------------------------
#  Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=lachlan@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1    # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    _cleanup_testdir
}

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

# real QA test starts here
_supported_fs xfs
_supported_os Linux IRIX

_setup_testdir

_umount_mount()
{
    CWD=`pwd`
    cd /
    umount $SCRATCH_MNT
    _scratch_mount
    cd "$CWD"
}

# create file with async I/O
xfs_io -f -c 'pwrite -b 4k -S 0x12 0 4k' async_file > /dev/null

# create file with sync I/O
xfs_io -f -s -c 'pwrite -b 4k -S 0x34 0 4k' sync_file > /dev/null

# create file with sync I/O
xfs_io -f -d -c 'pwrite -b 4k -S 0x56 0 4k' direct_file > /dev/null

_umount_mount

# check file size and contents
od -Ad -x async_file
od -Ad -x sync_file
od -Ad -x direct_file

rm -f async_file sync_file direct_file

status=0
exit