2000-09-13 03:20:35 +00:00
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/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Backwards compatibility support.
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*/
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/*
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* Handle the new/old bio/buf changeover
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*/
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#if __FreeBSD_version < 500003 /* old buf style */
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2001-09-05 20:43:02 +00:00
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#include <sys/buf.h>
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#define FREEBSD_4
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#define bio buf
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#define bioq_init(x) bufq_init(x)
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#define bioq_insert_tail(x, y) bufq_insert_tail(x, y)
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#define bioq_remove(x, y) bufq_remove(x, y)
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#define bioq_first(x) bufq_first(x)
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#define bio_queue_head buf_queue_head
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#define bio_bcount b_bcount
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#define bio_blkno b_blkno
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#define bio_caller1 b_caller1
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#define bio_data b_data
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#define bio_dev b_dev
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#define bio_driver1 b_driver1
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#define bio_driver2 b_driver2
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#define bio_error b_error
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#define bio_flags b_flags
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#define bio_pblkno b_pblkno
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#define bio_resid b_resid
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#define BIO_ERROR B_ERROR
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#define devstat_end_transaction_bio(x, y) devstat_end_transaction_buf(x, y)
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#define BIO_IS_READ(x) ((x)->b_flags & B_READ)
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2000-09-13 03:20:35 +00:00
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#else /* new bio style */
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2001-09-05 20:43:02 +00:00
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#include <sys/bio.h>
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#define BIO_IS_READ(x) ((x)->bio_cmd == BIO_READ)
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2000-09-13 03:20:35 +00:00
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#endif
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