2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/dev/aac/aac_compat.h,v 1.2.2.2 2001/09/19 19:09:11 scottl Exp $
28 * $DragonFly: src/sys/dev/raid/aac/Attic/aac_compat.h,v 1.4 2004/02/13 01:33:19 joerg Exp $
31 * Backwards compatibility support.
35 * Handle the new/old bio/buf changeover
38 #if defined(__DragonFly__) || __FreeBSD_version < 500003 /* old buf style */
44 #define bioq_init(x) bufq_init(x)
45 #define bioq_insert_tail(x, y) bufq_insert_tail(x, y)
46 #define bioq_remove(x, y) bufq_remove(x, y)
47 #define bioq_first(x) bufq_first(x)
48 #define bio_queue_head buf_queue_head
49 #define bio_bcount b_bcount
50 #define bio_blkno b_blkno
51 #define bio_caller1 b_caller1
52 #define bio_data b_data
54 #define bio_driver1 b_driver1
55 #define bio_driver2 b_driver2
56 #define bio_error b_error
57 #define bio_flags b_flags
58 #define bio_pblkno b_pblkno
59 #define bio_resid b_resid
60 #define BIO_ERROR B_ERROR
61 #define devstat_end_transaction_bio(x, y) devstat_end_transaction_buf(x, y)
62 #define BIO_IS_READ(x) ((x)->b_flags & B_READ)
64 #else /* new bio style */
66 #define BIO_IS_READ(x) ((x)->bio_cmd == BIO_READ)