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test which compares output from quota(1) with xfs_db ondisk dquots.

#! /bin/sh
# XFS QA Test No. 052
# $Id: 1.1 $
#
# Ensure that quota(1) displays blocksizes matching ondisk dquots.
#
# MOUNT_OPTIONS can be set to grpquota to test group quota,
# defaults to usrquota if MOUNT_OPTIONS is not set.
#
#-----------------------------------------------------------------------
# Copyright (c) 2000 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=1	# failure is the default!

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

_cleanup()
{
	umount $SCRATCH_MNT 2>/dev/null
	rm -f $tmp.*
}
trap "_cleanup; exit \$status" 0 1 2 3 15
rm -f $seq.full $seq.out

_require_scratch
_require_quota

# setup a default run
if [ -z "$MOUNT_OPTIONS" ]; then
        MOUNT_OPTIONS="-o usrquota"; export MOUNT_OPTIONS
fi

# real QA test starts here
mkfs -t xfs -f $SCRATCH_DEV | _filter_mkfs 2>$tmp.mkfs
cat $tmp.mkfs >>$seq.full
chmod a+w $seq.full     # arbitrary users will write here

# keep the blocksize from mkfs ($dbsize)
. $tmp.mkfs

_qmount

# setup user/group to test
if src/feature -U $SCRATCH_DEV ; then
	type=u ; id=`_choose_uid`
elif src/feature -G $SCRATCH_DEV ; then
	type=g ; id=`_choose_gid`
else
	_notrun "No quota support at mount time"
fi

# create 100 (fs-blocksize) blocks
_file_as_id $SCRATCH_MNT/foo $id $type $dbsize 220
sync

# set limit at 1001 (1k) blocks
setquota -n -$type $id $SCRATCH_DEV 1001 1001 10 10

# cross check blks, softblks, hardblks <-> quota, xfs_db
quota $type -n $id | tee -a $seq.full | perl -ne '
	if (m,^\s*'$SCRATCH_DEV'\s+(\d+)\s+(\d+)\s+(\d+),) {
		print "used_blocks=", $1, "\n";
		print "soft_blocks=", $2, "\n";
		print "hard_blocks=", $3, "\n";
	}' | LC_COLLATE=POSIX sort >$tmp.quota

echo ===quota output >> $seq.full
cat $tmp.quota >> $seq.full
[ ! -s $tmp.quota ] && echo "warning: quota output file is empty"

umount $SCRATCH_MNT

# note - does (insitu) conversion from fs blocks to 1K blocks
xfs_db -rc "dquot -$type $id" -c p $SCRATCH_DEV | tee -a $seq.full | perl -ne '
	if (/^diskdq.bcount = (\d+)$/) {
		 print "used_blocks=", $1 * '$dbsize' / 1024, "\n";
	}
	elsif (/^diskdq.blk_hardlimit = (\d+)$/) {
		 print "hard_blocks=", $1 * '$dbsize' / 1024, "\n";
	}
	elsif (/^diskdq.blk_softlimit = (\d+)$/) {
		print "soft_blocks=", $1 * '$dbsize' / 1024, "\n";
	}' | LC_COLLATE=POSIX sort >$tmp.xfs_db

echo ===xfs_db output >> $seq.full
cat $tmp.xfs_db >> $seq.full
[ ! -s $tmp.xfs_db ] && echo "warning: xfs_db output file is empty"

echo Comparing out of quota and xfs_db
diff $tmp.quota $tmp.xfs_db 
[ $? -eq 0 ] && echo OK.

# success, all done
status=0
exit