NetBSD/tests/fs/vfs/t_full.c

102 lines
3.0 KiB
C

/* $NetBSD: t_full.c,v 1.8 2013/03/16 05:45:37 jmmv Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <atf-c.h>
#include <fcntl.h>
#include <libgen.h>
#include <stdlib.h>
#include <unistd.h>
#include <rump/rump_syscalls.h>
#include <rump/rump.h>
#include "../common/h_fsmacros.h"
#include "../../h_macros.h"
/*
* Write this much over the image size. This is to force an NFS commit,
* since we might just stuff data into the cache and miss the problem.
*/
#define NFSBONUS (1<<16)
static void
fillfs(const atf_tc_t *tc, const char *mp)
{
char buf[8192];
size_t written;
ssize_t n = 0; /* xxxgcc */
size_t bonus;
int fd, i = 0;
if (FSTYPE_P2K_FFS(tc) || FSTYPE_PUFFS(tc) || FSTYPE_RUMPFS(tc)) {
atf_tc_skip("fs does not support explicit block allocation "
"(GOP_ALLOC)");
}
bonus = 0;
if (FSTYPE_NFS(tc))
bonus = NFSBONUS;
if (rump_sys_chdir(mp) == -1)
atf_tc_fail_errno("chdir mountpoint");
fd = rump_sys_open("afile", O_CREAT | O_RDWR);
if (fd == -1)
atf_tc_fail_errno("create file");
for (written = 0; written < FSTEST_IMGSIZE + bonus; written +=n) {
memset(buf, i++, sizeof(buf)); /* known garbage */
n = rump_sys_write(fd, buf, sizeof(buf));
if (n == -1)
break;
}
if (FSTYPE_ZFS(tc))
atf_tc_expect_fail("PR kern/47656: Test known to be broken");
if (n == -1) {
if (errno != ENOSPC)
atf_tc_fail_errno("write");
} else {
atf_tc_fail("filled file system over size limit");
}
rump_sys_close(fd);
rump_sys_chdir("/");
}
ATF_TC_FSAPPLY(fillfs, "fills file system, expects ENOSPC");
ATF_TP_ADD_TCS(tp)
{
ATF_TP_FSAPPLY(fillfs);
return atf_no_error();
}