1 /* $NetBSD: ops_ufs.c,v 1.1.1.2 2009/03/20 20:26:50 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2009 Erez Zadok 5 * Copyright (c) 1990 Jan-Simon Pendry 6 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 7 * Copyright (c) 1990 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry at Imperial College, London. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgment: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * 42 * File: am-utils/amd/ops_ufs.c 43 * 44 */ 45 46 /* 47 * UN*X file system 48 */ 49 50 #ifdef HAVE_CONFIG_H 51 # include <config.h> 52 #endif /* HAVE_CONFIG_H */ 53 #include <am_defs.h> 54 #include <amd.h> 55 56 /* forward declarations */ 57 static char *ufs_match(am_opts *fo); 58 static int ufs_mount(am_node *am, mntfs *mf); 59 static int ufs_umount(am_node *am, mntfs *mf); 60 61 /* 62 * Ops structure 63 */ 64 am_ops ufs_ops = 65 { 66 #ifndef __NetBSD__ 67 "ufs", 68 #else 69 "ffs", 70 #endif 71 ufs_match, 72 0, /* ufs_init */ 73 ufs_mount, 74 ufs_umount, 75 amfs_error_lookup_child, 76 amfs_error_mount_child, 77 amfs_error_readdir, 78 0, /* ufs_readlink */ 79 0, /* ufs_mounted */ 80 0, /* ufs_umounted */ 81 amfs_generic_find_srvr, 82 0, /* ufs_get_wchan */ 83 FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ 84 #ifdef HAVE_FS_AUTOFS 85 AUTOFS_UFS_FS_FLAGS, 86 #endif /* HAVE_FS_AUTOFS */ 87 }; 88 89 90 /* 91 * UFS needs local filesystem and device. 92 */ 93 static char * 94 ufs_match(am_opts *fo) 95 { 96 97 if (!fo->opt_dev) { 98 plog(XLOG_USER, "ufs: no device specified"); 99 return 0; 100 } 101 102 dlog("UFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs); 103 104 /* 105 * Determine magic cookie to put in mtab 106 */ 107 return strdup(fo->opt_dev); 108 } 109 110 111 static int 112 mount_ufs(char *mntdir, char *fs_name, char *opts, int on_autofs) 113 { 114 ufs_args_t ufs_args; 115 mntent_t mnt; 116 int genflags; 117 118 /* 119 * Figure out the name of the file system type. 120 */ 121 MTYPE_TYPE type = MOUNT_TYPE_UFS; 122 123 memset((voidp) &ufs_args, 0, sizeof(ufs_args)); /* Paranoid */ 124 125 /* 126 * Fill in the mount structure 127 */ 128 memset((voidp) &mnt, 0, sizeof(mnt)); 129 mnt.mnt_dir = mntdir; 130 mnt.mnt_fsname = fs_name; 131 mnt.mnt_type = MNTTAB_TYPE_UFS; 132 mnt.mnt_opts = opts; 133 134 genflags = compute_mount_flags(&mnt); 135 #ifdef HAVE_FS_AUTOFS 136 if (on_autofs) 137 genflags |= autofs_compute_mount_flags(&mnt); 138 #endif /* HAVE_FS_AUTOFS */ 139 140 #ifdef HAVE_UFS_ARGS_T_FLAGS 141 ufs_args.flags = genflags; /* XXX: is this correct? */ 142 #endif /* HAVE_UFS_ARGS_T_FLAGS */ 143 144 #ifdef HAVE_UFS_ARGS_T_UFS_FLAGS 145 ufs_args.ufs_flags = genflags; 146 #endif /* HAVE_UFS_ARGS_T_UFS_FLAGS */ 147 148 #ifdef HAVE_UFS_ARGS_T_FSPEC 149 ufs_args.fspec = fs_name; 150 #endif /* HAVE_UFS_ARGS_T_FSPEC */ 151 152 #ifdef HAVE_UFS_ARGS_T_UFS_PGTHRESH 153 ufs_args.ufs_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH); 154 #endif /* HAVE_UFS_ARGS_T_UFS_PGTHRESH */ 155 156 /* 157 * Call generic mount routine 158 */ 159 return mount_fs(&mnt, genflags, (caddr_t) &ufs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs); 160 } 161 162 163 static int 164 ufs_mount(am_node *am, mntfs *mf) 165 { 166 int on_autofs = mf->mf_flags & MFF_ON_AUTOFS; 167 int error; 168 169 error = mount_ufs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs); 170 if (error) { 171 errno = error; 172 plog(XLOG_ERROR, "mount_ufs: %m"); 173 return error; 174 } 175 176 return 0; 177 } 178 179 180 static int 181 ufs_umount(am_node *am, mntfs *mf) 182 { 183 int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0; 184 185 return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags); 186 } 187