* Copyright (c) 1989 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
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* 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
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* @(#)mfsnode.h 7.3 (Berkeley) 4/16/91
* This structure defines the control data for the memory
struct vnode
*mfs_vnode
; /* vnode associated with this mfsnode */
caddr_t mfs_baseoff
; /* base of file system in memory */
long mfs_size
; /* size of memory file system */
pid_t mfs_pid
; /* supporting process pid */
struct buf
*mfs_buflist
; /* list of I/O requests */
* Convert between mfsnode pointers and vnode pointers
#define VTOMFS(vp) ((struct mfsnode *)(vp)->v_data)
#define MFSTOV(mfsp) ((mfsp)->mfs_vnode)
* Prototypes for MFS operations on vnodes.
#define mfs_lookup ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_create ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_mknod ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_access ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_getattr ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_setattr ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_read ((int (*) __P(( \
struct ucred *cred))) mfs_badop)
#define mfs_write ((int (*) __P(( \
struct ucred *cred))) mfs_badop)
#define mfs_select ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_mmap ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_fsync ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_seek ((int (*) __P(( \
struct ucred *cred))) mfs_badop)
#define mfs_remove ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_link ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_rename ((int (*) __P(( \
struct nameidata *fndp, \
struct nameidata *tdnp, \
struct proc *p))) mfs_badop)
#define mfs_mkdir ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_rmdir ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_symlink ((int (*) __P(( \
struct proc *p))) mfs_badop)
#define mfs_readdir ((int (*) __P(( \
int *eofflagp))) mfs_badop)
#define mfs_readlink ((int (*) __P(( \
struct ucred *cred))) mfs_badop)
#define mfs_abortop ((int (*) __P(( \
struct nameidata *ndp))) mfs_badop)
#define mfs_reclaim ((int (*) __P(( \
struct vnode *vp))) nullop)
#define mfs_lock ((int (*) __P(( \
struct vnode *vp))) nullop)
#define mfs_unlock ((int (*) __P(( \
struct vnode *vp))) nullop)
#define mfs_islocked ((int (*) __P(( \
struct vnode *vp))) nullop)
#define mfs_advlock ((int (*) __P(( \