Date: Sat, 23 Sep 2017 11:09:25 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r323948 - user/pho/stress2/misc Message-ID: <201709231109.v8NB9P33095845@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: pho Date: Sat Sep 23 11:09:25 2017 New Revision: 323948 URL: https://svnweb.freebsd.org/changeset/base/323948 Log: Added new test that demonstrates a rename problem with msdosfs. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/msdos8.sh (contents, props changed) Added: user/pho/stress2/misc/msdos8.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/msdos8.sh Sat Sep 23 11:09:25 2017 (r323948) @@ -0,0 +1,158 @@ +#!/bin/sh + +# +# Copyright (c) 2017 Dell EMC Isilon +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# msdosfs rename scenario +# "Invalid long filename entry" seen from fsck + +. ../default.cfg +[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 + +[ -x /sbin/mount_msdosfs ] || exit 0 +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/msdos8.c +cc -o msdos8 -Wall -Wextra -O0 -g msdos8.c || exit 1 +rm -f msdos8.c +cd $odir +log=/tmp/msdos8.sh.log +mount | grep "$mntpoint" | grep -q md$mdstart && umount -f $mntpoint +mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart + +mdconfig -a -t swap -s 1g -u $mdstart +bsdlabel -w md$mdstart auto +newfs_msdos /dev/md${mdstart}$part #> /dev/null +mount -t msdosfs /dev/md${mdstart}$part $mntpoint || exit 1 + +(cd $mntpoint; /tmp/msdos8) +s=$? + +while mount | grep "$mntpoint" | grep -q md$mdstart; do + umount $mntpoint || sleep 1 +done +fsck -t msdosfs -y /dev/md${mdstart}$part > $log 2>&1 +if egrep -q "BAD|INCONSISTENCY|MODIFIED" $log; then + cat $log + s=1 + + mount -t msdosfs /dev/md${mdstart}$part $mntpoint || exit 1 + ls -lR $mntpoint + umount $mntpoint +fi +mdconfig -d -u $mdstart +rm /tmp/msdos8 $log +exit $s +EOF +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +# define PARALLEL 10 + +static unsigned long size; + +static void +test(void) +{ + pid_t pid; + int fd, i, j; + char file1[128], file2[128]; + + pid = getpid(); + for (i = 0; i < (int)size; i++) { + sprintf(file1,"p%05d.%05d", pid, i); + if ((fd = open(file1, O_RDONLY|O_CREAT, 0660)) == -1) + err(1, "openat(%s), %s:%d", file1, __FILE__, + __LINE__); + close(fd); + } + for (j = 0; j < 100; j++) { + for (i = 0; i < (int)size; i++) { + sprintf(file1,"p%05d.%05d", pid, i); + sprintf(file2,"p%05d.%05d.togo", pid, i); + if (rename(file1, file2) == -1) + err(1, "rename(%s, %s). %s:%d", file1, + file2, __FILE__, __LINE__); + } + for (i = 0; i < (int)size; i++) { + sprintf(file1,"p%05d.%05d", pid, i); + sprintf(file2,"p%05d.%05d.togo", pid, i); + if (rename(file2, file1) == -1) + err(1, "rename(%s, %s). %s:%d", file2, + file1, __FILE__, __LINE__); + } + } + + for (i = 0; i < (int)size; i++) { + sprintf(file1,"p%05d.%05d", pid, i); + if (unlink(file1) == -1) + err(1, "unlink(%s), %s:%d", file1, __FILE__, + __LINE__); + } + _exit(0); +} + +int +main(void) +{ + pid_t pids[PARALLEL]; + time_t start; + int e, i, status; + + e = 0; + size = 5; + start = time(NULL); + while ((time(NULL) - start) < 60 && e == 0) { + for (i = 0; i < PARALLEL; i++) { + if ((pids[i] = fork()) == 0) + test(); + if (pids[i] == -1) + err(1, "fork()"); + } + for (i = 0; i < PARALLEL; i++) { + if (waitpid(pids[i], &status, 0) == -1) + err(1, "waitpid(%d)", pids[i]); + if (WIFSIGNALED(status)) + fprintf(stderr, "pid %d exit signal %d\n", + pids[i], WTERMSIG(status)); + e += status == 0 ? 0 : 1; + } + } + + return (e); +}
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201709231109.v8NB9P33095845>