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 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 92 zfs_fstest_delfs(const atf_tc_t *tc, void *buf) 93 { 94 95 unlink(SRVPATH); 96 return 0; 97 } 98 99 int 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 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