2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2009 Rick Macklem, University of Guelph
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef _NFS_MOUNTCOMMON_H_
32 #define _NFS_MOUNTCOMMON_H_
35 * The common fields of the nfsmount structure for the two clients
36 * used by the nlm. It includes a function pointer that provides
37 * a mechanism for getting the client specific info for an nfs vnode.
39 typedef void nfs_getinfofromvp_ftype(struct vnode *, uint8_t *, size_t *,
40 struct sockaddr_storage *, int *, off_t *,
42 typedef int nfs_vinvalbuf_ftype(struct vnode *, int, struct thread *, int);
44 struct nfsmount_common {
46 int nmcom_flag; /* Flags for soft/hard... */
47 int nmcom_state; /* Internal state flags */
48 struct mount *nmcom_mountp; /* Vfs structure for this filesystem */
49 int nmcom_timeo; /* Init timer for NFSMNT_DUMBTIMR */
50 int nmcom_retry; /* Max retries */
51 char nmcom_hostname[MNAMELEN]; /* server's name */
52 nfs_getinfofromvp_ftype *nmcom_getinfo; /* Get info from nfsnode */
53 nfs_vinvalbuf_ftype *nmcom_vinvalbuf; /* Invalidate buffers */
56 #endif /* _NFS_MOUNTCOMMON_H_ */