freebsd-skq/sys/nfs/nfs_mountcommon.h
rmacklem 53f27d6094 Fix the nlm so that it no longer depends on the regular
nfs client and, as such, can be loaded for the experimental
nfs client without the regular client.

Reviewed by:	jhb
MFC after:	2 weeks
2011-01-03 20:37:31 +00:00

55 lines
2.4 KiB
C

/*-
* Copyright (c) 2009 Rick Macklem, University of Guelph
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _NFS_MOUNTCOMMON_H_
#define _NFS_MOUNTCOMMON_H_
/*
* The common fields of the nfsmount structure for the two clients
* used by the nlm. It includes a function pointer that provides
* a mechanism for getting the client specific info for an nfs vnode.
*/
typedef void nfs_getinfofromvp_ftype(struct vnode *, uint8_t *, size_t *,
struct sockaddr_storage *, int *, off_t *,
struct timeval *);
typedef int nfs_vinvalbuf_ftype(struct vnode *, int, struct thread *, int);
struct nfsmount_common {
struct mtx nmcom_mtx;
int nmcom_flag; /* Flags for soft/hard... */
int nmcom_state; /* Internal state flags */
struct mount *nmcom_mountp; /* Vfs structure for this filesystem */
int nmcom_timeo; /* Init timer for NFSMNT_DUMBTIMR */
int nmcom_retry; /* Max retries */
char nmcom_hostname[MNAMELEN]; /* server's name */
nfs_getinfofromvp_ftype *nmcom_getinfo; /* Get info from nfsnode */
nfs_vinvalbuf_ftype *nmcom_vinvalbuf; /* Invalidate buffers */
};
#endif /* _NFS_MOUNTCOMMON_H_ */