178b11a59SEd Maste /* $NetBSD: buf.h,v 1.3 2001/11/02 03:12:49 lukem Exp $ */ 2d347a0daSSam Leffler 3d347a0daSSam Leffler /* 4d347a0daSSam Leffler * Copyright (c) 2001 Wasabi Systems, Inc. 5d347a0daSSam Leffler * All rights reserved. 6d347a0daSSam Leffler * 7d347a0daSSam Leffler * Written by Luke Mewburn for Wasabi Systems, Inc. 8d347a0daSSam Leffler * 9d347a0daSSam Leffler * Redistribution and use in source and binary forms, with or without 10d347a0daSSam Leffler * modification, are permitted provided that the following conditions 11d347a0daSSam Leffler * are met: 12d347a0daSSam Leffler * 1. Redistributions of source code must retain the above copyright 13d347a0daSSam Leffler * notice, this list of conditions and the following disclaimer. 14d347a0daSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 15d347a0daSSam Leffler * notice, this list of conditions and the following disclaimer in the 16d347a0daSSam Leffler * documentation and/or other materials provided with the distribution. 17d347a0daSSam Leffler * 3. All advertising materials mentioning features or use of this software 18d347a0daSSam Leffler * must display the following acknowledgement: 19d347a0daSSam Leffler * This product includes software developed for the NetBSD Project by 20d347a0daSSam Leffler * Wasabi Systems, Inc. 21d347a0daSSam Leffler * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22d347a0daSSam Leffler * or promote products derived from this software without specific prior 23d347a0daSSam Leffler * written permission. 24d347a0daSSam Leffler * 25d347a0daSSam Leffler * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26d347a0daSSam Leffler * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27d347a0daSSam Leffler * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28d347a0daSSam Leffler * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29d347a0daSSam Leffler * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30d347a0daSSam Leffler * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31d347a0daSSam Leffler * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32d347a0daSSam Leffler * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33d347a0daSSam Leffler * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34d347a0daSSam Leffler * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35d347a0daSSam Leffler * POSSIBILITY OF SUCH DAMAGE. 36d347a0daSSam Leffler * 37d347a0daSSam Leffler * $FreeBSD$ 38d347a0daSSam Leffler */ 39d347a0daSSam Leffler 40d347a0daSSam Leffler #ifndef _FFS_BUF_H 41d347a0daSSam Leffler #define _FFS_BUF_H 42d347a0daSSam Leffler 43d347a0daSSam Leffler #include <sys/param.h> 44d347a0daSSam Leffler #include <sys/queue.h> 45d347a0daSSam Leffler 46*6160cc37SEd Maste struct makefs_fsinfo; 4778b11a59SEd Maste struct ucred; 4878b11a59SEd Maste 4978b11a59SEd Maste struct vnode { 50*6160cc37SEd Maste struct makefs_fsinfo *fs; 5178b11a59SEd Maste void *v_data; 5278b11a59SEd Maste }; 5378b11a59SEd Maste 54d347a0daSSam Leffler struct buf { 55d347a0daSSam Leffler void * b_data; 56d347a0daSSam Leffler long b_bufsize; 57d347a0daSSam Leffler long b_bcount; 58d347a0daSSam Leffler daddr_t b_blkno; 59d347a0daSSam Leffler daddr_t b_lblkno; 60*6160cc37SEd Maste struct makefs_fsinfo *b_fs; 61d347a0daSSam Leffler 62d347a0daSSam Leffler TAILQ_ENTRY(buf) b_tailq; 63d347a0daSSam Leffler }; 64d347a0daSSam Leffler 65d347a0daSSam Leffler void bcleanup(void); 6678b11a59SEd Maste int bread(struct vnode *, daddr_t, int, struct ucred *, 6778b11a59SEd Maste struct buf **); 6878b11a59SEd Maste void brelse(struct buf *, int); 69d347a0daSSam Leffler int bwrite(struct buf *); 7078b11a59SEd Maste struct buf * getblk(struct vnode *, daddr_t, int, int, int, int); 71d347a0daSSam Leffler 72d347a0daSSam Leffler #define bdwrite(bp) bwrite(bp) 73d347a0daSSam Leffler #define clrbuf(bp) memset((bp)->b_data, 0, (u_int)(bp)->b_bcount) 74d347a0daSSam Leffler 75d347a0daSSam Leffler #endif /* _FFS_BUF_H */ 76