freebsd-skq/sys/nfs/nfs_mountcommon.h

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/*-
* 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_ */