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#! /bin/bash
# FSQA Test No. 190
#
# This test uses xfs_io to unreserve space in a file at various different
# offsets and sizes. The script then verifies the holes are in the correct
# location.
#
# PV 985792
#
#-----------------------------------------------------------------------
# Copyright (c) 2008 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
#
#-----------------------------------------------------------------------
#
#This is the list of holes to punch in the file limited to $filesize
#NOTE holes cannot overlap or this script will fail.
holes="4096:4096 303104:4096 1048576:512 1051648:8192 1065984:8192 1085440:7168"
#filesize in MB
filesize=10
#Name of file to perform the test on
filename=test-190
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=0 # success is the default!
rm -f $seq.full
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# real QA test starts here
_supported_fs xfs
_supported_os Linux
_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_scratch_mount
fsblocksize=`xfs_info $SCRATCH_MNT|sed 's/=/ /g'|awk '/^data / { print $3 }'`
dd if=/dev/zero of=$SCRATCH_MNT/$filename bs=1024k count=10 >> $seq.full 2>&1
# run DMAPI test using verbose output
echo Punching holes in file
echo Punching holes in file >> $seq.full
for i in $holes ; do
echo xfs_io -c "unresvsp `echo $i |$SED_PROG 's/:/ /g'`" $SCRATCH_MNT/$filename >> $seq.full
xfs_io -c "unresvsp `echo $i |$SED_PROG 's/:/ /g'`" $SCRATCH_MNT/$filename ;
done
echo Verifying holes are in the correct spots:
xfs_bmap=`xfs_bmap $SCRATCH_MNT/$filename`
xfs_bmap $SCRATCH_MNT/$filename >> $seq.full
for i in $holes ; do
holeStart=$[`echo $i|$SED_PROG 's/:/ /g'|awk '{print $1}'`];
holeEnd=$[`echo $i|$SED_PROG 's/:/ /g'|awk '{print $2}'`];
#Round hole size down to a multiple of $fsblocksize
holeEnd=$[(($holeStart+$holeEnd)/$fsblocksize)*$fsblocksize]
#Round hole start up to a multiple of $fsblocksize
if [ $[$holeStart % $fsblocksize] -gt 0 ] ; then
holeStart=$[($holeStart/$fsblocksize +1) * $fsblocksize]
fi
#xfs_bmap prints holes in the following format
# 1: [8..15]: hole
bmap="\[$[$holeStart/512]..$[($holeEnd/512) -1]\]";
echo $bmap >> $seq.full
if [ $holeEnd == $holeStart ] ; then
continue #there is no hole
fi
if ! echo $xfs_bmap|grep -q $bmap; then
echo Offset $holeStart to $holeEnd basic blocks failed;
status=1;
fi
done
if [ $status == 0 ] ; then
echo Test $seq Passed.
fi
exit
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