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Add an fsx test, allow fsx to preallocate file space on -x

#! /bin/sh
# XFS QA Test No. 075
#
# fsx
#
#-----------------------------------------------------------------------
# Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
# 
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
# 
# You should have received a copy of the GNU General Public License along
# with this program; if not, write the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston MA 02111-1307, USA.
# 
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
# Mountain View, CA  94043, or:
# 
# http://www.sgi.com 
# 
# For further information regarding this notice, see: 
# 
# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#-----------------------------------------------------------------------
#
# creator
owner=nathans@sgi.com

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

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

_cleanup()
{
    rm -rf $TEST_DIR/fsx.* $tmp.*
}

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

_do_test()
{
    _n="$1"
    _param="$2"

    out=$TEST_DIR/fsx
    rm -rf $out
    if ! mkdir $out
    then
	echo "    failed to mkdir $out"
	status=1
	exit
    fi

    echo ""
    echo "-----------------------------------------------"
    echo "fsx.$_n : $_param"
    echo "-----------------------------------------------"

    # This cd and use of -P gets full debug on $here (not TEST_DEV)
    cd $out
    if ! $here/ltp/fsx $_param -P $here $seq.$_n >/dev/null
    then
	echo "    fsx ($_param) returned $? - see $seq.$_n.full"
	mv $seq.$_n.fsxlog $here/$seq.$_n.full
	status=1
	exit
    fi

    cd $here
    _check_test_fs
}


# real QA test starts here

rm -f $here/$seq.full
echo "brevity is wit..."

_check_test_fs

# Options:
# -d: debug output for all operations
# -l flen: the upper bound on file size (default 262144)
# -o oplen: the upper bound on operation size
# -N numops: total # operations to do (default infinity)
# -P: save .fsxlog and .fsxgood files in dirpath (default ./)
# -S seed: for random # generator (default 1) 0 gets timestamp
# -x: pre-allocate file space, exercising unwritten extents

size10=`expr 10 \* 1024 \* 1024`	# 10 megabytes

_do_test 0 "-d -N 1000 -S 0"
_do_test 1 "-d -N 1000 -S 0 -x"
_do_test 3 "-d -N 25000 -l $size10 -S 0"
_do_test 4 "-d -N 25000 -l $size10 -S 0 -x"