xref: /freebsd/contrib/netbsd-tests/fs/vfs/t_full.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
1 /*	$NetBSD: t_full.c,v 1.8 2013/03/16 05:45:37 jmmv Exp $	*/
2 
3 /*-
4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/stat.h>
30 #include <sys/statvfs.h>
31 
32 #include <atf-c.h>
33 #include <fcntl.h>
34 #include <libgen.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 
38 #include <rump/rump_syscalls.h>
39 #include <rump/rump.h>
40 
41 #include "../common/h_fsmacros.h"
42 #include "../../h_macros.h"
43 
44 /*
45  * Write this much over the image size.  This is to force an NFS commit,
46  * since we might just stuff data into the cache and miss the problem.
47  */
48 #define NFSBONUS (1<<16)
49 
50 static void
51 fillfs(const atf_tc_t *tc, const char *mp)
52 {
53 	char buf[8192];
54 	size_t written;
55 	ssize_t n = 0; /* xxxgcc */
56 	size_t bonus;
57 	int fd, i = 0;
58 
59 	if (FSTYPE_P2K_FFS(tc) || FSTYPE_PUFFS(tc) || FSTYPE_RUMPFS(tc)) {
60 		atf_tc_skip("fs does not support explicit block allocation "
61 		    "(GOP_ALLOC)");
62 	}
63 
64 	bonus = 0;
65 	if (FSTYPE_NFS(tc))
66 		bonus = NFSBONUS;
67 
68 	if (rump_sys_chdir(mp) == -1)
69 		atf_tc_fail_errno("chdir mountpoint");
70 	fd = rump_sys_open("afile", O_CREAT | O_RDWR);
71 	if (fd == -1)
72 		atf_tc_fail_errno("create file");
73 
74 	for (written = 0; written < FSTEST_IMGSIZE + bonus; written +=n) {
75 		memset(buf, i++, sizeof(buf)); /* known garbage */
76 		n = rump_sys_write(fd, buf, sizeof(buf));
77 		if (n == -1)
78 			break;
79 	}
80 	if (FSTYPE_ZFS(tc))
81 		atf_tc_expect_fail("PR kern/47656: Test known to be broken");
82 	if (n == -1) {
83 		if (errno != ENOSPC)
84 			atf_tc_fail_errno("write");
85 	} else {
86 		atf_tc_fail("filled file system over size limit");
87 	}
88 
89 	rump_sys_close(fd);
90 	rump_sys_chdir("/");
91 }
92 
93 ATF_TC_FSAPPLY(fillfs, "fills file system, expects ENOSPC");
94 
95 ATF_TP_ADD_TCS(tp)
96 {
97 
98 	ATF_TP_FSAPPLY(fillfs);
99 
100 	return atf_no_error();
101 }
102