1 /* $NetBSD: buf.h,v 1.3 2001/11/02 03:12:49 lukem Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 2001 Wasabi Systems, Inc. 7 * All rights reserved. 8 * 9 * Written by Luke Mewburn for Wasabi Systems, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed for the NetBSD Project by 22 * Wasabi Systems, Inc. 23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 24 * or promote products derived from this software without specific prior 25 * written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 * 39 * $FreeBSD$ 40 */ 41 42 #ifndef _FFS_BUF_H 43 #define _FFS_BUF_H 44 45 #include <sys/param.h> 46 #include <sys/queue.h> 47 48 struct makefs_fsinfo; 49 struct ucred; 50 51 struct vnode { 52 struct makefs_fsinfo *fs; 53 void *v_data; 54 }; 55 56 struct buf { 57 void * b_data; 58 long b_bufsize; 59 long b_bcount; 60 daddr_t b_blkno; 61 daddr_t b_lblkno; 62 struct makefs_fsinfo *b_fs; 63 64 TAILQ_ENTRY(buf) b_tailq; 65 }; 66 67 void bcleanup(void); 68 int bread(struct vnode *, daddr_t, int, struct ucred *, 69 struct buf **); 70 void brelse(struct buf *, int); 71 int bwrite(struct buf *); 72 struct buf * getblk(struct vnode *, daddr_t, int, int, int, int); 73 74 #define bdwrite(bp) bwrite(bp) 75 #define clrbuf(bp) memset((bp)->b_data, 0, (u_int)(bp)->b_bcount) 76 77 #endif /* _FFS_BUF_H */ 78