1 /* $NetBSD: fstest_zfs.c,v 1.1 2012/08/20 16:37:35 pooka Exp $ */
2
3 /*-
4 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nicolas Joly.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/mount.h>
33 #include <sys/stat.h>
34
35 #include <atf-c.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40
41 #include <rump/rump.h>
42 #include <rump/rump_syscalls.h>
43
44 #include "h_fsmacros.h"
45
46 #define SRVPATH "zfssurvo"
47 #define SRVURL "unix://" SRVPATH
48 #define ZFSDEV "/zfsdev"
49
50 int
zfs_fstest_newfs(const atf_tc_t * tc,void ** buf,const char * image,off_t size,void * fspriv)51 zfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image,
52 off_t size, void *fspriv)
53 {
54 int res;
55 int fd;
56
57 /* XXX: hardcoded zfs minimum size */
58 size = MAX(64*1024*1024, size);
59
60 res = rump_init();
61 if (res != 0) {
62 errno = res;
63 return -1;
64 }
65
66 /* create backing image, sparse file is enough */
67 if ((fd = open(image, O_RDWR | O_CREAT, 0777)) == -1)
68 return -1;
69 if (ftruncate(fd, size) == -1) {
70 close(fd);
71 return -1;
72 }
73 close(fd);
74
75 res = rump_pub_etfs_register(ZFSDEV, image, RUMP_ETFS_BLK);
76 if (res != 0) {
77 errno = res;
78 return -1;
79 }
80
81 res = rump_init_server(SRVURL);
82 if (res != 0) {
83 errno = res;
84 return -1;
85 }
86 *buf = NULL;
87
88 return 0;
89 }
90
91 int
zfs_fstest_delfs(const atf_tc_t * tc,void * buf)92 zfs_fstest_delfs(const atf_tc_t *tc, void *buf)
93 {
94
95 unlink(SRVPATH);
96 return 0;
97 }
98
99 int
zfs_fstest_mount(const atf_tc_t * tc,void * buf,const char * path,int flags)100 zfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
101 {
102 char tmpbuf[128];
103 int error;
104
105 /* set up the hijack env for running zpool */
106 setenv("RUMP_SERVER", SRVURL, 1);
107 snprintf(tmpbuf, sizeof(tmpbuf)-1, "blanket=/dev/zfs:%s:%s",
108 ZFSDEV, path);
109 setenv("RUMPHIJACK", tmpbuf, 1);
110 setenv("LD_PRELOAD", "/usr/lib/librumphijack.so", 1);
111
112 while (*path == '/')
113 path++;
114
115 /* run zpool create */
116 snprintf(tmpbuf, sizeof(tmpbuf)-1, "zpool create %s %s",
117 path, ZFSDEV);
118 if ((error = system(tmpbuf)) != 0) {
119 errno = error;
120 return -1;
121 }
122
123 return 0;
124 }
125
126 int
zfs_fstest_unmount(const atf_tc_t * tc,const char * path,int flags)127 zfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
128 {
129
130 unmount(path, flags);
131 unlink(SRVPATH);
132
133 return 0;
134 }
135