freebsd-dev/usr.sbin/makefs/ffs/buf.h
Ed Maste 15fc093acc makefs: make buf generic
it has nothing to do with ffs and will eventually be moved.
gc sectorsize.

NetBSD versions:
ffs.c		1.58
ffs/buf.c	1.14 1.18
ffs/buf.h	1.8

Obtained from:	NetBSD
Sponsored by:	The FreeBSD Foundation
2017-05-03 14:21:18 +00:00

78 lines
2.5 KiB
C

/* $NetBSD: buf.h,v 1.3 2001/11/02 03:12:49 lukem Exp $ */
/*
* 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 ucred;
struct vnode {
int fd;
void *fs;
void *v_data;
int offset;
};
struct buf {
void * b_data;
long b_bufsize;
long b_bcount;
daddr_t b_blkno;
daddr_t b_lblkno;
int b_fd;
void * 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);
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 */