1 /*
2 * Copyright (c) 1990 Jan-Simon Pendry
3 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Jan-Simon Pendry at Imperial College, London.
9 *
10 * %sccs.include.redist.c%
11 *
12 * @(#)ufs_ops.c 8.2 (Berkeley) 05/10/95
13 *
14 * $Id: ufs_ops.c,v 5.2.2.1 1992/02/09 15:09:08 jsp beta $
15 *
16 */
17
18 #include "am.h"
19
20 #ifdef HAS_UFS
21
22 #include <sys/stat.h>
23 #ifdef NFS_3
24 typedef nfs_fh fhandle_t;
25 #endif /* NFS_3 */
26
27 #include <sys/mount.h>
28
29 #ifdef UFS_HDR
30 #include UFS_HDR
31 #endif /* UFS_HDR */
32
33 /*
34 * UN*X file system
35 */
36
37 /*
38 * UFS needs local filesystem and device.
39 */
40 static char *ufs_match P((am_opts *fo));
ufs_match(fo)41 static char *ufs_match(fo)
42 am_opts *fo;
43 {
44 if (!fo->opt_dev) {
45 plog(XLOG_USER, "ufs: no device specified");
46 return 0;
47 }
48
49 #ifdef DEBUG
50 dlog("UFS: mounting device \"%s\" on \"%s\"",
51 fo->opt_dev, fo->opt_fs);
52 #endif /* DEBUG */
53
54 /*
55 * Determine magic cookie to put in mtab
56 */
57 return strdup(fo->opt_dev);
58 }
59
mount_ufs(dir,fs_name,opts)60 static mount_ufs(dir, fs_name, opts)
61 char *dir;
62 char *fs_name;
63 char *opts;
64 {
65 struct ufs_args ufs_args;
66 struct mntent mnt;
67 int flags;
68
69 /*
70 * Figure out the name of the file system type.
71 */
72 #ifdef M_NEWTYPE
73 char *type = MOUNT_TYPE_UFS;
74 #else
75 int type = MOUNT_TYPE_UFS;
76 #endif /* M_NEWTYPE */
77
78 bzero((voidp) &ufs_args, sizeof(ufs_args)); /* Paranoid */
79
80 /*
81 * Fill in the mount structure
82 */
83 mnt.mnt_dir = dir;
84 mnt.mnt_fsname = fs_name;
85 mnt.mnt_type = MTAB_TYPE_UFS;
86 mnt.mnt_opts = opts;
87 mnt.mnt_freq = 1;
88 mnt.mnt_passno = 2;
89
90 flags = compute_mount_flags(&mnt);
91
92 #ifdef ULTRIX_HACK
93 ufs_args.ufs_flags = flags;
94 ufs_args.ufs_pgthresh = 64; /* 64K - XXX */
95 flags &= M_RDONLY;
96 #else
97 ufs_args.fspec = fs_name;
98 #endif /* ULTRIX_HACK */
99
100 /*
101 * Call generic mount routine
102 */
103 return mount_fs(&mnt, flags, (caddr_t) &ufs_args, 0, type);
104 }
105
106 /*ARGSUSED*/
ufs_fmount(mf)107 static int ufs_fmount(mf)
108 mntfs *mf;
109 {
110 int error;
111
112 error = mount_ufs(mf->mf_mount, mf->mf_info, mf->mf_mopts);
113 if (error) {
114 errno = error;
115 plog(XLOG_ERROR, "mount_ufs: %m");
116 return error;
117 }
118
119 return 0;
120 }
121
ufs_fumount(mf)122 static int ufs_fumount(mf)
123 mntfs *mf;
124 {
125 return UMOUNT_FS(mf->mf_mount);
126 }
127
128 /*
129 * Ops structure
130 */
131 am_ops ufs_ops = {
132 "ufs",
133 ufs_match,
134 0, /* ufs_init */
135 auto_fmount,
136 ufs_fmount,
137 auto_fumount,
138 ufs_fumount,
139 efs_lookuppn,
140 efs_readdir,
141 0, /* ufs_readlink */
142 0, /* ufs_mounted */
143 0, /* ufs_umounted */
144 find_afs_srvr,
145 #ifdef FLUSH_KERNEL_NAME_CACHE
146 FS_MKMNT|FS_NOTIMEOUT|FS_UBACKGROUND|FS_AMQINFO
147 #else /* FLUSH_KERNEL_NAME_CACHE */
148 FS_MKMNT|FS_NOTIMEOUT|FS_UBACKGROUND|FS_AMQINFO
149 #endif /* FLUSH_KERNEL_NAME_CACHE */
150 };
151
152 #endif /* HAS_UFS */
153