90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
/* $NetBSD: mfsnode.h,v 1.11 2001/12/06 04:27:43 chs Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1989, 1993
|
|
* The Regents of the University of California. 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.
|
|
* 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.
|
|
*
|
|
* @(#)mfsnode.h 8.3 (Berkeley) 5/19/95
|
|
*/
|
|
|
|
/*
|
|
* This structure defines the control data for the memory based file system.
|
|
*/
|
|
|
|
struct mfsnode {
|
|
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 */
|
|
struct proc *mfs_proc; /* supporting process */
|
|
struct buf_queue 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 genfs_badop
|
|
#define mfs_create genfs_badop
|
|
#define mfs_mknod genfs_badop
|
|
#define mfs_access genfs_badop
|
|
#define mfs_getattr genfs_badop
|
|
#define mfs_setattr genfs_badop
|
|
#define mfs_read genfs_badop
|
|
#define mfs_write genfs_badop
|
|
#define mfs_poll genfs_badop
|
|
#define mfs_mmap genfs_badop
|
|
#define mfs_seek genfs_badop
|
|
#define mfs_remove genfs_badop
|
|
#define mfs_link genfs_badop
|
|
#define mfs_rename genfs_badop
|
|
#define mfs_mkdir genfs_badop
|
|
#define mfs_rmdir genfs_badop
|
|
#define mfs_symlink genfs_badop
|
|
#define mfs_readdir genfs_badop
|
|
#define mfs_readlink genfs_badop
|
|
#define mfs_abortop genfs_badop
|
|
#define mfs_lock genfs_nolock
|
|
#define mfs_unlock genfs_nounlock
|
|
#define mfs_islocked genfs_noislocked
|
|
#define mfs_pathconf genfs_badop
|
|
#define mfs_advlock genfs_badop
|
|
#define mfs_blkatoff genfs_badop
|
|
#define mfs_valloc genfs_badop
|
|
#define mfs_vfree genfs_badop
|
|
#define mfs_truncate genfs_badop
|
|
#define mfs_update genfs_badop
|
|
#define mfs_bwrite vn_bwrite
|
|
#define mfs_revoke genfs_revoke
|
|
#define mfs_putpages genfs_null_putpages
|