From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o3TAWd8J063311 for ; Thu, 29 Apr 2010 05:32:40 -0500 Date: Thu, 29 Apr 2010 06:34:44 -0400 From: Christoph Hellwig Subject: [PATCH] xfstests: test extent size hints Message-ID: <20100429103444.GA8019@infradead.org> MIME-Version: 1.0 Content-Disposition: inline List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com This is an adapted version of the reproduced in OSS BZ #874, which shows file corruption when using the extent size hint. Geoffrey, can you say if licensing the small test program as GPLv2+ is fine so that we can add it to xfstests? Signed-off-by: Christoph Hellwig Index: xfstests-dev/228 =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ xfstests-dev/228 2010-04-29 10:28:56.000000000 +0000 @@ -0,0 +1,87 @@ +#! /bin/bash +# FS QA Test No. 221 +# +# Check for file corruption when using the extent size hint on +# the normal data subvolume. +# +# http://oss.sgi.com/bugzilla/show_bug.cgi?id=874 +# +# Based on a bug report and testcase from Geoffrey Wehrman . +# +#----------------------------------------------------------------------- +# Copyright (c) 2010 Christoph Hellwig. 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 +# +#----------------------------------------------------------------------- +# +# creator +owner=hch@lst.de + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! + +_cleanup() +{ + rm -rf ${TDIR} +} + +trap "_cleanup ; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc + +# real QA test starts here +_supported_fs generic +_supported_os Linux + +TDIR="${TEST_DIR}/t_holes" +NFILES="10" +EXTSIZE="256k" + +# Create the test directory +mkdir ${TDIR} + +# Set the test directory extsize +xfs_io -c "extsize ${EXTSIZE}" ${TDIR} + +# Create a set of holey files +echo "generating ${NFILES} files" + +for i in $(seq 0 ${NFILES}); do + $here/src/t_holes ${TDIR}/${i} +done + +# Compare the files +echo "comparing files" +errcnt=0 +j=0 +for i in $(seq 0 ${NFILES}); do + let j=$i+1 + while [ ${j} -lt ${NFILES} ] ; do + if ! cmp ${TDIR}/${i} ${TDIR}/${j} ; then + let errcnt=$errcnt+1 + fi + let j=$j+1 + done +done + +echo "got ${errcnt} errors" + +status=$errcnt +exit $status Index: xfstests-dev/228.out =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ xfstests-dev/228.out 2010-04-29 10:27:09.000000000 +0000 @@ -0,0 +1,4 @@ +QA output created by 228 +generating 10 files +comparing files +got 0 errors Index: xfstests-dev/group =================================================================== --- xfstests-dev.orig/group 2010-04-29 10:26:54.000000000 +0000 +++ xfstests-dev/group 2010-04-29 10:27:09.000000000 +0000 @@ -341,3 +341,4 @@ deprecated 225 auto quick 226 auto enospc 227 auto fsr +228 auto rw Index: xfstests-dev/src/Makefile =================================================================== --- xfstests-dev.orig/src/Makefile 2010-04-29 10:26:54.000000000 +0000 +++ xfstests-dev/src/Makefile 2010-04-29 10:27:09.000000000 +0000 @@ -10,7 +10,7 @@ TARGETS = dirstress fill fill2 getpagesi mmapcat append_reader append_writer dirperf metaperf \ devzero feature alloc fault fstest t_access_root \ godown resvtest writemod makeextents itrash rename \ - multi_open_unlink dmiperf unwritten_sync genhashnames + multi_open_unlink dmiperf unwritten_sync genhashnames t_holes LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \ preallo_rw_pattern_writer ftrunc trunc fs_perms testx looptest \ Index: xfstests-dev/src/t_holes.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ xfstests-dev/src/t_holes.c 2010-04-29 10:27:09.000000000 +0000 @@ -0,0 +1,29 @@ + +#include +#include +#include +#include + +int main(int argc, char **argv) +{ + int fd; + int j; + int i; + int buf[1024]; + + fd = open(argv[1], O_RDWR|O_CREAT, 0666); + for (i = 1; i < 9100; i++) { + for (j = 0; j < 1024; j++) + buf[j] = i | i << 5; + + if (write(fd,buf,253*4*sizeof(int))!= 253*4*sizeof(int)) + printf("Write did not return correct amount\n"); + + if ((i % 9) == 0 && i < 9001) + lseek(fd, 4096 * 110,SEEK_CUR); + } + + close(fd); + + return 0; +} _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs