1 /* $NetBSD: t_full.c,v 1.9 2017/01/13 21:30:40 christos 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
fillfs(const atf_tc_t * tc,const char * mp)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
ATF_TP_ADD_TCS(tp)95 ATF_TP_ADD_TCS(tp)
96 {
97
98 ATF_TP_FSAPPLY(fillfs);
99
100 return atf_no_error();
101 }
102