xref: /illumos-gate/usr/src/uts/common/os/copyops.c (revision 0ccfe5834c3b867c1b6c273cae02ec8922bc0fd2)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/types.h>
28 #include <sys/copyops.h>
29 #include <sys/systm.h>
30 
31 int
32 physio(int (*strat)(struct buf *), struct buf *bp, dev_t dev,
33     int rw, void (*mincnt)(struct buf *), struct uio *uio)
34 {
35 	return (default_physio(strat, bp, dev, rw, mincnt, uio));
36 }
37 
38 void
39 install_copyops(kthread_id_t tp, copyops_t *cp)
40 {
41 	ASSERT(tp->t_copyops == NULL);
42 	tp->t_copyops = cp;
43 }
44 
45 void
46 remove_copyops(kthread_id_t tp)
47 {
48 	ASSERT(tp->t_copyops != NULL);
49 	tp->t_copyops = NULL;
50 }
51 
52 int
53 copyops_installed(kthread_id_t tp)
54 {
55 	return (tp->t_copyops != NULL);
56 }
57