1 /* $NetBSD: ops_xfs.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/amd/ops_xfs.c
39 *
40 */
41
42 /*
43 * Irix UN*X file system: XFS (Extended File System)
44 */
45
46 #ifdef HAVE_CONFIG_H
47 # include <config.h>
48 #endif /* HAVE_CONFIG_H */
49 #include <am_defs.h>
50 #include <amd.h>
51
52 /* forward declarations */
53 static char *xfs_match(am_opts *fo);
54 static int xfs_mount(am_node *am, mntfs *mf);
55 static int xfs_umount(am_node *am, mntfs *mf);
56
57 /*
58 * Ops structure
59 */
60 am_ops xfs_ops =
61 {
62 "xfs",
63 xfs_match,
64 0, /* xfs_init */
65 xfs_mount,
66 xfs_umount,
67 amfs_error_lookup_child,
68 amfs_error_mount_child,
69 amfs_error_readdir,
70 0, /* xfs_readlink */
71 0, /* xfs_mounted */
72 0, /* xfs_umounted */
73 amfs_generic_find_srvr,
74 0, /* xfs_get_wchan */
75 FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
76 #ifdef HAVE_FS_AUTOFS
77 AUTOFS_XFS_FS_FLAGS,
78 #endif /* HAVE_FS_AUTOFS */
79 };
80
81
82 /*
83 * XFS needs local filesystem and device.
84 */
85 static char *
xfs_match(am_opts * fo)86 xfs_match(am_opts *fo)
87 {
88
89 if (!fo->opt_dev) {
90 plog(XLOG_USER, "xfs: no device specified");
91 return 0;
92 }
93
94 dlog("XFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
95
96 /*
97 * Determine magic cookie to put in mtab
98 */
99 return xstrdup(fo->opt_dev);
100 }
101
102
103 static int
mount_xfs(char * mntdir,char * fs_name,char * opts,int on_autofs)104 mount_xfs(char *mntdir, char *fs_name, char *opts, int on_autofs)
105 {
106 xfs_args_t xfs_args;
107 mntent_t mnt;
108 int flags;
109
110 /*
111 * Figure out the name of the file system type.
112 */
113 MTYPE_TYPE type = MOUNT_TYPE_XFS;
114
115 memset((voidp) &xfs_args, 0, sizeof(xfs_args)); /* Paranoid */
116
117 /*
118 * Fill in the mount structure
119 */
120 memset((voidp) &mnt, 0, sizeof(mnt));
121 mnt.mnt_dir = mntdir;
122 mnt.mnt_fsname = fs_name;
123 mnt.mnt_type = MNTTAB_TYPE_XFS;
124 mnt.mnt_opts = opts;
125
126 flags = compute_mount_flags(&mnt);
127 #ifdef HAVE_FS_AUTOFS
128 if (on_autofs)
129 flags |= autofs_compute_mount_flags(&mnt);
130 #endif /* HAVE_FS_AUTOFS */
131
132 #ifdef HAVE_XFS_ARGS_T_FLAGS
133 xfs_args.flags = 0; /* XXX: fix this to correct flags */
134 #endif /* HAVE_XFS_ARGS_T_FLAGS */
135 #ifdef HAVE_XFS_ARGS_T_FSPEC
136 xfs_args.fspec = fs_name;
137 #endif /* HAVE_XFS_ARGS_T_FSPEC */
138
139 /*
140 * Call generic mount routine
141 */
142 return mount_fs(&mnt, flags, (caddr_t) &xfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
143 }
144
145
146 static int
xfs_mount(am_node * am,mntfs * mf)147 xfs_mount(am_node *am, mntfs *mf)
148 {
149 int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
150 int error;
151
152 error = mount_xfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
153 if (error) {
154 errno = error;
155 plog(XLOG_ERROR, "mount_xfs: %m");
156 return error;
157 }
158
159 return 0;
160 }
161
162
163 static int
xfs_umount(am_node * am,mntfs * mf)164 xfs_umount(am_node *am, mntfs *mf)
165 {
166 int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
167
168 return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
169 }
170