124 lines
4.2 KiB
C
124 lines
4.2 KiB
C
/*
|
|
* Copyright (c) 1989 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Rick Macklem at The University of Guelph.
|
|
*
|
|
* 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 acknowledgement:
|
|
* 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.
|
|
*
|
|
* from: @(#)nfsmount.h 7.7 (Berkeley) 4/16/91
|
|
* $Id: nfsmount.h,v 1.3 1994/03/27 09:09:26 cgd Exp $
|
|
*/
|
|
|
|
#ifndef _NFS_NFSMOUNT_H_
|
|
#define _NFS_NFSMOUNT_H_
|
|
|
|
/*
|
|
* Mount structure.
|
|
* One allocated on every NFS mount.
|
|
* Holds NFS specific information for mount.
|
|
*/
|
|
struct nfsmount {
|
|
int nm_flag; /* Flags for soft/hard... */
|
|
struct mount *nm_mountp; /* Vfs structure for this filesystem */
|
|
nfsv2fh_t nm_fh; /* File handle of root dir */
|
|
struct socket *nm_so; /* Rpc socket */
|
|
int nm_sotype; /* Type of socket */
|
|
int nm_soproto; /* and protocol */
|
|
int nm_soflags; /* pr_flags for socket protocol */
|
|
struct mbuf *nm_nam; /* Addr of server */
|
|
short nm_retry; /* Max retry count */
|
|
short nm_rexmit; /* Rexmit on previous request */
|
|
short nm_rtt; /* Round trip timer ticks @ NFS_HZ */
|
|
short nm_rto; /* Current timeout */
|
|
short nm_srtt; /* Smoothed round trip time */
|
|
short nm_rttvar; /* RTT variance */
|
|
short nm_currto; /* Current rto of any nfsmount */
|
|
short nm_currexmit; /* Max rexmit count of nfsmounts */
|
|
short nm_sent; /* Request send count */
|
|
short nm_window; /* Request send window (max) */
|
|
short nm_winext; /* Window incremental value */
|
|
short nm_ssthresh; /* Slowstart threshold */
|
|
short nm_salen; /* Actual length of nm_sockaddr */
|
|
int nm_rsize; /* Max size of read rpc */
|
|
int nm_wsize; /* Max size of write rpc */
|
|
};
|
|
|
|
#ifdef KERNEL
|
|
/*
|
|
* Convert mount ptr to nfsmount ptr.
|
|
*/
|
|
#define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
|
|
#endif /* KERNEL */
|
|
|
|
/*
|
|
* Prototypes for NFS mount operations
|
|
*/
|
|
int nfs_mount __P((
|
|
struct mount *mp,
|
|
char *path,
|
|
caddr_t data,
|
|
struct nameidata *ndp,
|
|
struct proc *p));
|
|
int nfs_start __P((
|
|
struct mount *mp,
|
|
int flags,
|
|
struct proc *p));
|
|
int nfs_unmount __P((
|
|
struct mount *mp,
|
|
int mntflags,
|
|
struct proc *p));
|
|
int nfs_root __P((
|
|
struct mount *mp,
|
|
struct vnode **vpp));
|
|
int nfs_quotactl __P((
|
|
struct mount *mp,
|
|
int cmds,
|
|
uid_t uid,
|
|
caddr_t arg,
|
|
struct proc *p));
|
|
int nfs_statfs __P((
|
|
struct mount *mp,
|
|
struct statfs *sbp,
|
|
struct proc *p));
|
|
int nfs_sync __P((
|
|
struct mount *mp,
|
|
int waitfor));
|
|
int nfs_fhtovp __P((
|
|
struct mount *mp,
|
|
struct fid *fhp,
|
|
struct vnode **vpp));
|
|
int nfs_vptofh __P((
|
|
struct vnode *vp,
|
|
struct fid *fhp));
|
|
int nfs_init __P(());
|
|
|
|
#endif /* !_NFS_NFSMOUNT_H_ */
|