158 lines
4.1 KiB
Bash
Executable File
158 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2017 Dell EMC Isilon
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# msdosfs rename scenario
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# "Invalid long filename entry" seen from fsck
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. ../default.cfg
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[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
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[ -x /sbin/mount_msdosfs ] || exit 0
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dir=/tmp
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odir=`pwd`
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cd $dir
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sed '1,/^EOF/d' < $odir/$0 > $dir/msdos8.c
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cc -o msdos8 -Wall -Wextra -O0 -g msdos8.c || exit 1
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rm -f msdos8.c
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cd $odir
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log=/tmp/msdos8.sh.log
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mount | grep "$mntpoint" | grep -q md$mdstart && umount -f $mntpoint
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mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 1g -u $mdstart
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bsdlabel -w md$mdstart auto
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newfs_msdos /dev/md${mdstart}$part #> /dev/null
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mount -t msdosfs /dev/md${mdstart}$part $mntpoint || exit 1
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(cd $mntpoint; /tmp/msdos8)
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s=$?
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while mount | grep "$mntpoint" | grep -q md$mdstart; do
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umount $mntpoint || sleep 1
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done
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fsck -t msdosfs -y /dev/md${mdstart}$part > $log 2>&1
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if egrep -q "BAD|INCONSISTENCY|MODIFIED" $log; then
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cat $log
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s=1
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mount -t msdosfs /dev/md${mdstart}$part $mntpoint || exit 1
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ls -lR $mntpoint
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umount $mntpoint
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fi
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mdconfig -d -u $mdstart
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rm /tmp/msdos8 $log
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s=0 # Ignore for now
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exit $s
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EOF
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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# define PARALLEL 10
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static unsigned long size;
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static void
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test(void)
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{
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pid_t pid;
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int fd, i, j;
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char file1[128], file2[128];
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pid = getpid();
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for (i = 0; i < (int)size; i++) {
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sprintf(file1,"p%05d.%05d", pid, i);
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if ((fd = open(file1, O_RDONLY|O_CREAT, 0660)) == -1)
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err(1, "openat(%s), %s:%d", file1, __FILE__,
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__LINE__);
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close(fd);
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}
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for (j = 0; j < 100; j++) {
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for (i = 0; i < (int)size; i++) {
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sprintf(file1,"p%05d.%05d", pid, i);
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sprintf(file2,"p%05d.%05d.togo", pid, i);
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if (rename(file1, file2) == -1)
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err(1, "rename(%s, %s). %s:%d", file1,
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file2, __FILE__, __LINE__);
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}
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for (i = 0; i < (int)size; i++) {
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sprintf(file1,"p%05d.%05d", pid, i);
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sprintf(file2,"p%05d.%05d.togo", pid, i);
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if (rename(file2, file1) == -1)
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err(1, "rename(%s, %s). %s:%d", file2,
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file1, __FILE__, __LINE__);
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}
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}
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for (i = 0; i < (int)size; i++) {
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sprintf(file1,"p%05d.%05d", pid, i);
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if (unlink(file1) == -1)
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err(1, "unlink(%s), %s:%d", file1, __FILE__,
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__LINE__);
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}
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_exit(0);
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}
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int
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main(void)
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{
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pid_t pids[PARALLEL];
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time_t start;
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int e, i, status;
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e = 0;
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size = 5;
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start = time(NULL);
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while ((time(NULL) - start) < 60 && e == 0) {
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for (i = 0; i < PARALLEL; i++) {
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if ((pids[i] = fork()) == 0)
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test();
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if (pids[i] == -1)
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err(1, "fork()");
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}
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for (i = 0; i < PARALLEL; i++) {
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if (waitpid(pids[i], &status, 0) == -1)
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err(1, "waitpid(%d)", pids[i]);
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if (WIFSIGNALED(status))
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fprintf(stderr, "pid %d exit signal %d\n",
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pids[i], WTERMSIG(status));
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e += status == 0 ? 0 : 1;
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}
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}
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return (e);
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}
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