ops_ufs.c revision 119679
1/* 2 * Copyright (c) 1997-2003 Erez Zadok 3 * Copyright (c) 1990 Jan-Simon Pendry 4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry at Imperial College, London. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgment: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * %W% (Berkeley) %G% 40 * 41 * $Id: ops_ufs.c,v 1.3.2.4 2002/12/27 22:44:42 ezk Exp $ 42 * 43 */ 44 45/* 46 * UN*X file system 47 */ 48 49#ifdef HAVE_CONFIG_H 50# include <config.h> 51#endif /* HAVE_CONFIG_H */ 52#include <am_defs.h> 53#include <amd.h> 54 55/* forward declarations */ 56static char *ufs_match(am_opts *fo); 57static int ufs_fmount(mntfs *mf); 58static int ufs_fumount(mntfs *mf); 59 60/* 61 * Ops structure 62 */ 63am_ops ufs_ops = 64{ 65 "ufs", 66 ufs_match, 67 0, /* ufs_init */ 68 amfs_auto_fmount, 69 ufs_fmount, 70 amfs_auto_fumount, 71 ufs_fumount, 72 amfs_error_lookuppn, 73 amfs_error_readdir, 74 0, /* ufs_readlink */ 75 0, /* ufs_mounted */ 76 0, /* ufs_umounted */ 77 find_amfs_auto_srvr, 78 FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO 79}; 80 81 82/* 83 * UFS needs local filesystem and device. 84 */ 85static char * 86ufs_match(am_opts *fo) 87{ 88 89 if (!fo->opt_dev) { 90 plog(XLOG_USER, "ufs: no device specified"); 91 return 0; 92 } 93 94#ifdef DEBUG 95 dlog("UFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs); 96#endif /* DEBUG */ 97 98 /* 99 * Determine magic cookie to put in mtab 100 */ 101 return strdup(fo->opt_dev); 102} 103 104 105static int 106mount_ufs(char *dir, char *fs_name, char *opts) 107{ 108 ufs_args_t ufs_args; 109 mntent_t mnt; 110 int genflags; 111 112 /* 113 * Figure out the name of the file system type. 114 */ 115 MTYPE_TYPE type = MOUNT_TYPE_UFS; 116 117 memset((voidp) &ufs_args, 0, sizeof(ufs_args)); /* Paranoid */ 118 119 /* 120 * Fill in the mount structure 121 */ 122 memset((voidp) &mnt, 0, sizeof(mnt)); 123 mnt.mnt_dir = dir; 124 mnt.mnt_fsname = fs_name; 125 mnt.mnt_type = MNTTAB_TYPE_UFS; 126 mnt.mnt_opts = opts; 127 128 genflags = compute_mount_flags(&mnt); 129 130#ifdef HAVE_UFS_ARGS_T_FLAGS 131 ufs_args.flags = genflags; /* XXX: is this correct? */ 132#endif /* HAVE_UFS_ARGS_T_FLAGS */ 133 134#ifdef HAVE_UFS_ARGS_T_UFS_FLAGS 135 ufs_args.ufs_flags = genflags; 136#endif /* HAVE_UFS_ARGS_T_UFS_FLAGS */ 137 138#ifdef HAVE_UFS_ARGS_T_FSPEC 139 ufs_args.fspec = fs_name; 140#endif /* HAVE_UFS_ARGS_T_FSPEC */ 141 142#ifdef HAVE_UFS_ARGS_T_UFS_PGTHRESH 143 ufs_args.ufs_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH); 144#endif /* HAVE_UFS_ARGS_T_UFS_PGTHRESH */ 145 146 /* 147 * Call generic mount routine 148 */ 149 return mount_fs(&mnt, genflags, (caddr_t) &ufs_args, 0, type, 0, NULL, mnttab_file_name); 150} 151 152 153static int 154ufs_fmount(mntfs *mf) 155{ 156 int error; 157 158 error = mount_ufs(mf->mf_mount, mf->mf_info, mf->mf_mopts); 159 if (error) { 160 errno = error; 161 plog(XLOG_ERROR, "mount_ufs: %m"); 162 return error; 163 } 164 165 return 0; 166} 167 168 169static int 170ufs_fumount(mntfs *mf) 171{ 172 return UMOUNT_FS(mf->mf_mount, mnttab_file_name); 173} 174