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77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/* $NetBSD: buf.h,v 1.3 2001/11/02 03:12:49 lukem Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Luke Mewburn for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FFS_BUF_H
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#define _FFS_BUF_H
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#include <sys/param.h>
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#include <sys/queue.h>
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struct componentname;
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struct makefs_fsinfo;
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struct ucred;
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struct m_vnode {
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struct makefs_fsinfo *fs;
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void *v_data;
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};
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struct m_buf {
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char * b_data;
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long b_bufsize;
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long b_bcount;
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daddr_t b_blkno;
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daddr_t b_lblkno;
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struct makefs_fsinfo *b_fs;
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TAILQ_ENTRY(m_buf) b_tailq;
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};
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void bcleanup(void);
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int bread(struct m_vnode *, daddr_t, int, struct ucred *,
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struct m_buf **);
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void brelse(struct m_buf *);
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int bwrite(struct m_buf *);
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struct m_buf * getblk(struct m_vnode *, daddr_t, int, int, int, int);
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#define bdwrite(bp) bwrite(bp)
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#define clrbuf(bp) memset((bp)->b_data, 0, (u_int)(bp)->b_bcount)
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#endif /* _FFS_BUF_H */
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