108 lines
3.9 KiB
C
108 lines
3.9 KiB
C
/* $NetBSD: amfs_direct.c,v 1.1.1.1 2000/06/07 00:52:22 dogcow Exp $ */
|
|
/*
|
|
* Copyright (c) 1997-2000 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 2000/01/12 16:44:14 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;
|
|
}
|