262 lines
7.3 KiB
C
262 lines
7.3 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: @(#)nfsnode.h 7.12 (Berkeley) 4/16/91
|
|
* $Id: nfsnode.h,v 1.7 1994/02/15 21:07:15 pk Exp $
|
|
*/
|
|
|
|
#ifndef _NFS_NFSNODE_H_
|
|
#define _NFS_NFSNODE_H_
|
|
|
|
/*
|
|
* The nfsnode is the nfs equivalent to ufs's inode. Any similarity
|
|
* is purely coincidental.
|
|
* There is a unique nfsnode allocated for each active file,
|
|
* each current directory, each mounted-on file, text file, and the root.
|
|
* An nfsnode is 'named' by its file handle. (nget/nfs_node.c)
|
|
*/
|
|
|
|
struct nfsnode {
|
|
struct nfsnode *n_chain[2]; /* must be first */
|
|
nfsv2fh_t n_fh; /* NFS File Handle */
|
|
long n_flag; /* Flag for locking.. */
|
|
struct vnode *n_vnode; /* vnode associated with this nfsnode */
|
|
time_t n_attrstamp; /* Time stamp (sec) for attributes */
|
|
struct vattr n_vattr; /* Vnode attribute cache */
|
|
struct sillyrename *n_sillyrename; /* Ptr to silly rename struct */
|
|
u_long n_size; /* Current size of file */
|
|
struct lockf *n_lockf; /* Locking record of file */
|
|
time_t n_mtime; /* Prev modify time to maintain data cache consistency*/
|
|
time_t n_ctime; /* Prev create time for name cache consistency*/
|
|
int n_error; /* Save write error value */
|
|
pid_t n_lockholder; /* holder of nfsnode lock */
|
|
pid_t n_lockwaiter; /* most recent waiter for nfsnode lock */
|
|
u_long n_direofoffset; /* Dir. EOF offset cache */
|
|
struct timeval n_delayed_atime; /* Non-urgent access/modified time */
|
|
struct timeval n_delayed_mtime; /* updates are stored here. */
|
|
};
|
|
|
|
#define n_forw n_chain[0]
|
|
#define n_back n_chain[1]
|
|
|
|
#ifdef KERNEL
|
|
/*
|
|
* Convert between nfsnode pointers and vnode pointers
|
|
*/
|
|
#define VTONFS(vp) ((struct nfsnode *)(vp)->v_data)
|
|
#define NFSTOV(np) ((struct vnode *)(np)->n_vnode)
|
|
#endif
|
|
/*
|
|
* Flags for n_flag
|
|
*/
|
|
#define NLOCKED 0x1 /* Lock the node for other local accesses */
|
|
#define NWANT 0x2 /* Want above lock */
|
|
#define NMODIFIED 0x4 /* Might have a modified buffer in bio */
|
|
#define NWRITEERR 0x8 /* Flag write errors so close will know */
|
|
|
|
/*
|
|
* Prototypes for NFS vnode operations
|
|
*/
|
|
int nfs_lookup __P((
|
|
struct vnode *vp,
|
|
struct nameidata *ndp,
|
|
struct proc *p));
|
|
int nfs_create __P((
|
|
struct nameidata *ndp,
|
|
struct vattr *vap,
|
|
struct proc *p));
|
|
int nfs_mknod __P((
|
|
struct nameidata *ndp,
|
|
struct vattr *vap,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_open __P((
|
|
struct vnode *vp,
|
|
int mode,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_close __P((
|
|
struct vnode *vp,
|
|
int fflag,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_access __P((
|
|
struct vnode *vp,
|
|
int mode,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_getattr __P((
|
|
struct vnode *vp,
|
|
struct vattr *vap,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_setattr __P((
|
|
struct vnode *vp,
|
|
struct vattr *vap,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_read __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
int ioflag,
|
|
struct ucred *cred));
|
|
int nfs_write __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
int ioflag,
|
|
struct ucred *cred));
|
|
#define nfs_ioctl ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int command, \
|
|
caddr_t data, \
|
|
int fflag, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) enoioctl)
|
|
#define nfs_select ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int which, \
|
|
int fflags, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) seltrue)
|
|
int nfs_mmap __P((
|
|
struct vnode *vp,
|
|
int fflags,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfs_fsync __P((
|
|
struct vnode *vp,
|
|
int fflags,
|
|
struct ucred *cred,
|
|
int waitfor,
|
|
struct proc *p));
|
|
#define nfs_seek ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
off_t oldoff, \
|
|
off_t newoff, \
|
|
struct ucred *cred))) nullop)
|
|
int nfs_remove __P((
|
|
struct nameidata *ndp,
|
|
struct proc *p));
|
|
int nfs_link __P((
|
|
struct vnode *vp,
|
|
struct nameidata *ndp,
|
|
struct proc *p));
|
|
int nfs_rename __P((
|
|
struct nameidata *fndp,
|
|
struct nameidata *tdnp,
|
|
struct proc *p));
|
|
int nfs_mkdir __P((
|
|
struct nameidata *ndp,
|
|
struct vattr *vap,
|
|
struct proc *p));
|
|
int nfs_rmdir __P((
|
|
struct nameidata *ndp,
|
|
struct proc *p));
|
|
int nfs_symlink __P((
|
|
struct nameidata *ndp,
|
|
struct vattr *vap,
|
|
char *target,
|
|
struct proc *p));
|
|
int nfs_readdir __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
struct ucred *cred,
|
|
int *eofflagp,
|
|
u_int *cookies,
|
|
int ncookies));
|
|
int nfs_readlink __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
struct ucred *cred));
|
|
int nfs_abortop __P((
|
|
struct nameidata *ndp));
|
|
int nfs_inactive __P((
|
|
struct vnode *vp,
|
|
struct proc *p));
|
|
int nfs_reclaim __P((
|
|
struct vnode *vp));
|
|
int nfs_lock __P((
|
|
struct vnode *vp));
|
|
int nfs_unlock __P((
|
|
struct vnode *vp));
|
|
int nfs_bmap __P((
|
|
struct vnode *vp,
|
|
daddr_t bn,
|
|
struct vnode **vpp,
|
|
daddr_t *bnp));
|
|
int nfs_strategy __P((
|
|
struct buf *bp));
|
|
int nfs_print __P((
|
|
struct vnode *vp));
|
|
int nfs_islocked __P((
|
|
struct vnode *vp));
|
|
int nfs_advlock __P((
|
|
struct vnode *vp,
|
|
caddr_t id,
|
|
int op,
|
|
struct flock *fl,
|
|
int flags));
|
|
int nfsspec_close __P((
|
|
struct vnode *vp,
|
|
int fflag,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfsspec_read __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
int ioflag,
|
|
struct ucred *cred));
|
|
int nfsspec_write __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
int ioflag,
|
|
struct ucred *cred));
|
|
int nfsfifo_close __P((
|
|
struct vnode *vp,
|
|
int fflag,
|
|
struct ucred *cred,
|
|
struct proc *p));
|
|
int nfsfifo_read __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
int ioflag,
|
|
struct ucred *cred));
|
|
int nfsfifo_write __P((
|
|
struct vnode *vp,
|
|
struct uio *uio,
|
|
int ioflag,
|
|
struct ucred *cred));
|
|
#endif /* !_NFS_NFSNODE_H_ */
|