1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (c) 1997-2004 Erez Zadok
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* %W% (Berkeley) %G%
*
* $Id: amfs_direct.c,v 1.3.2.4 2004/01/06 03:15:16 ezk Exp $
*
*/
/*
* Direct file system
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <am_defs.h>
#include <amd.h>
/****************************************************************************
*** FORWARD DEFINITIONS ***
****************************************************************************/
static am_node *amfs_direct_readlink(am_node *mp, int *error_return);
/****************************************************************************
*** OPS STRUCTURES ***
****************************************************************************/
am_ops amfs_direct_ops =
{
"direct",
amfs_auto_match,
0, /* amfs_direct_init */
amfs_toplvl_mount,
0,
amfs_toplvl_umount,
0,
amfs_error_lookuppn,
amfs_error_readdir,
amfs_direct_readlink,
amfs_toplvl_mounted,
0, /* amfs_auto_umounted */
find_amfs_auto_srvr,
FS_MKMNT | FS_NOTIMEOUT | FS_BACKGROUND | FS_AMQINFO
};
/****************************************************************************
*** FUNCTIONS ***
****************************************************************************/
static am_node *
amfs_direct_readlink(am_node *mp, int *error_return)
{
am_node *xp;
int rc = 0;
xp = next_nonerror_node(mp->am_child);
if (!xp) {
if (!mp->am_mnt->mf_private)
amfs_auto_mkcacheref(mp->am_mnt); /* XXX */
xp = amfs_auto_lookuppn(mp, mp->am_path + 1, &rc, VLOOK_CREATE);
}
if (xp) {
new_ttl(xp); /* (7/12/89) from Rein Tollevik */
return xp;
}
if (amd_state == Finishing)
rc = ENOENT;
*error_return = rc;
return 0;
}
|