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/* $NetBSD: buf.h,v 1.3 2001/11/02 03:12:49 lukem Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Luke Mewburn for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 _FFS_BUF_H
#define _FFS_BUF_H
#include <sys/param.h>
#include <sys/queue.h>
struct makefs_fsinfo;
struct ucred;
struct vnode {
struct makefs_fsinfo *fs;
void *v_data;
};
struct buf {
void * b_data;
long b_bufsize;
long b_bcount;
daddr_t b_blkno;
daddr_t b_lblkno;
struct makefs_fsinfo *b_fs;
TAILQ_ENTRY(buf) b_tailq;
};
void bcleanup(void);
int bread(struct vnode *, daddr_t, int, struct ucred *,
struct buf **);
void brelse(struct buf *);
int bwrite(struct buf *);
struct buf * getblk(struct vnode *, daddr_t, int, int, int, int);
#define bdwrite(bp) bwrite(bp)
#define clrbuf(bp) memset((bp)->b_data, 0, (u_int)(bp)->b_bcount)
#endif /* _FFS_BUF_H */
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