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#! /bin/bash
# FSQA Test No. 175
#
# Hole punching with extsize hints, holes may not reported by xfs_bmap.
# This is not good for certain backup apps, as they rely on the hole
# being visible in the file so later on they know where to migrate
# back the data from the tape.
#
#-----------------------------------------------------------------------
# Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms 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. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
#-----------------------------------------------------------------------
#
owner=ddiss@sgi.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
rm -f $seq.full
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
rm -f $tmp/*
}
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.dmapi
. ./common.punch
# real QA test starts here
_supported_fs xfs
_supported_os Linux
_require_scratch
# test that we have DMAPI support
_dmapi_scratch_mount
umount $SCRATCH_MNT > /dev/null 2>&1
# _test_punch args: blksize extsize_hint filesize "pp1 pp2 pp3" \
# "ps1 ps2 ps3" "pt1 pt2 pt3" "wp1 wp2" "ws1 ws2" \
# "w p p w p" resvsp
echo "-- test dmpunch-hole without an extent size hint --"
_test_punch 4096 0 256 "240" "16" "d" "0" "256" "w p" noresv
echo
echo "-- this time use a 4k (one block) extent size hint --"
_test_punch 4096 1 256 "240" "16" "d" "0" "256" "w p" noresv
status=0
exit
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