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Test for detecting unwritten extent related corruption reading+writing under swap.
This commit is contained in:
fsgqa
@@ -0,0 +1,81 @@
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#! /bin/sh
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# XFS QA Test No. 084
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#
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# Exercises unwritten extent reads and writes, looking
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# for data corruption (zeroes read) near the end of file.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Further, this software is distributed without any warranty that it is
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# free of the rightful claim of any third person regarding infringement
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# or the like. Any license provided herein, whether implied or
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# otherwise, applies only to this software file. Patent licenses, if
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# any, provided herein do not apply to combinations of this program with
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# other software, or any other product whatsoever.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write the Free Software Foundation, Inc., 59
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# Temple Place - Suite 330, Boston MA 02111-1307, USA.
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#
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# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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# Mountain View, CA 94043, or:
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#
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# http://www.sgi.com
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#
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# For further information regarding this notice, see:
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#
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# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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#-----------------------------------------------------------------------
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#
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# creator
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owner=nathans@sgi.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_filter_resv()
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{
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sed -e "s,$TEST_DIR/resv,[TESTFILE],g"
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}
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pgsize=`$here/src/feature -p`
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# -i == number of iterations
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# -l == bytes to leak on each iteration
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# -b == read/write block size
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# -s == preallocation size
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# real QA test starts here
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echo
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echo "*** First case - I/O blocksize same as pagesize"
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$here/src/resvtest -i 20 -b $pgsize "$TEST_DIR/resv" | _filter_resv
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[ $? -eq 0 ] && echo done
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rm -f "$TEST_DIR/mumble"
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echo
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echo "*** Second case - 512 byte I/O blocksize"
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$here/src/resvtest -i 40 -b 512 "$TEST_DIR/resv" | _filter_resv
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[ $? -eq 0 ] && echo done
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rm -f "$TEST_DIR/grumble"
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# success, all done
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status=0
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exit
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@@ -0,0 +1,9 @@
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QA output created by 084
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*** First case - I/O blocksize same as pagesize
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reserved 40960000 bytes for [TESTFILE] using XFS_IOC_RESVSP64
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done
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*** Second case - 512 byte I/O blocksize
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reserved 40960000 bytes for [TESTFILE] using XFS_IOC_RESVSP64
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done
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@@ -144,3 +144,4 @@ ioctl nathans@sgi.com
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081 logprint quota
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082 logprint
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083 rw auto
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084 ioctl rw auto
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+9
-3
@@ -1,5 +1,5 @@
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#
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# Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
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# Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of version 2 of the GNU General Public License as
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@@ -36,8 +36,8 @@ include $(TOPDIR)/include/builddefs
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TARGETS = alloc acl_get bstat devzero dirstress fault feature \
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fill fill2 getpagesize holes xfsctl loggen lstat64 \
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nametest permname randholes runas truncfile usemem \
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fstest mmapcat append_reader append_writer \
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dirperf metaperf enospc_unlink
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fileread fstest mmapcat append_reader append_writer \
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dirperf metaperf enospc_unlink resvtest scaleread
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ifeq ($(ENABLE_DBM), yes)
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TARGETS += dbtest
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endif
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@@ -77,5 +77,11 @@ loggen: loggen.o
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fstest: fstest.o
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$(LINKTEST)
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#scaleread: scaleread.o $(LDLIBS)
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# $(LINKTEST)
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resvtest: resvtest.o
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$(LINKTEST)
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acl_get: acl_get.o $(LIBACL) $(LIBATTR)
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$(LINKTEST) $(LIBACL) $(LIBATTR) $(LDLIBS)
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+165
@@ -0,0 +1,165 @@
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/*
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* Copyright (c) 2004 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#include "global.h"
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int
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main(int argc, char **argv)
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{
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int c, i, j, n, err = 0;
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int writefd, readfd;
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long iterations = 100;
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long psize, bsize, leaksize = 32 * 1024 * 1024;
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char *filename;
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char *readbuffer, *writebuffer;
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off64_t resvsize;
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xfs_flock64_t resvsp;
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psize = bsize = getpagesize();
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resvsize = bsize * (off64_t) 10000;
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while ((c = getopt(argc, argv, "b:i:l:s:")) != EOF) {
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switch(c) {
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case 'b':
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bsize = atol(optarg);
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break;
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case 'i':
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iterations = atol(optarg);
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break;
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case 'l':
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leaksize = atol(optarg);
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break;
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case 's':
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resvsize = (off64_t) atoll(optarg);
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break;
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default:
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err++;
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break;
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}
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}
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if (optind > argc + 1)
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err++;
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if (err) {
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printf("Usage: %s [-b blksize] [-l leaksize] [-r resvsize]\n",
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argv[0]);
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exit(0);
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}
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filename = argv[optind];
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readbuffer = memalign(psize, bsize);
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writebuffer = memalign(psize, bsize);
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if (!readbuffer || !writebuffer) {
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perror("open");
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exit(1);
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}
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memset(writebuffer, 'A', sizeof(writebuffer));
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unlink(filename);
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writefd = open(filename, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
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if (writefd < 0) {
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perror("open");
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exit(1);
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}
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readfd = open(filename, O_RDONLY);
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if (readfd < 0) {
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perror("open");
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exit(1);
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}
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/* preallocate file space */
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resvsp.l_whence = 0;
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resvsp.l_start = 0;
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resvsp.l_len = resvsize;
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if (ioctl(writefd, XFS_IOC_RESVSP64, &resvsp) < 0) {
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fprintf(stdout, "attempt to reserve %lld bytes for %s "
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"using %s failed: %s (%d)\n",
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resvsize, filename, "XFS_IOC_RESVSP64",
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strerror(errno), errno);
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} else {
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fprintf(stdout, "reserved %lld bytes for %s using %s\n",
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resvsize, filename, "XFS_IOC_RESVSP64");
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}
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/* Space is now preallocated, start IO --
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* write at current offset, pressurize, seek to zero on reader
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* and read up to current write offset.
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*/
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n = 0;
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while (++n < iterations) {
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char *p;
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int numerrors;
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if (write(writefd, writebuffer, sizeof(writebuffer)) < 0) {
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perror("write");
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exit(1);
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}
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/* Apply some memory pressure
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* (allocate another chunk and touch all pages)
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*/
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for (i = 0; i < (leaksize / psize); i++) {
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p = malloc(psize);
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if (p)
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p[7] = '7';
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}
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sleep(1);
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lseek(readfd, SEEK_SET, 0);
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numerrors = 0;
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for (j = 0; j < n; j++) {
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if (read(readfd, readbuffer, sizeof(readbuffer)) < 0) {
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perror("read");
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exit(1);
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}
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for (i = 0; i < sizeof(readbuffer); i++) {
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if (readbuffer[i] != 'A') {
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fprintf(stderr,
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"errors detected in file, pos: %d (%lld+%d), nwrites: %d [val=0x%x].\n",
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j, (long long)j * 4096,
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i, n, readbuffer[i]);
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numerrors++;
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break;
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}
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}
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}
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if (numerrors > 10) {
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exit(1);
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} else if (numerrors) {
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fprintf(stdout, "\n");
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}
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}
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return(0);
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}
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