xref: /illumos-gate/usr/src/uts/common/os/copyops.c (revision 2d6eb4a5)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
28*7c478bd9Sstevel@tonic-gate #include <sys/copyops.h>
29*7c478bd9Sstevel@tonic-gate #include <sys/systm.h>
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate int
physio(int (* strat)(struct buf *),struct buf * bp,dev_t dev,int rw,void (* mincnt)(struct buf *),struct uio * uio)32*7c478bd9Sstevel@tonic-gate physio(int (*strat)(struct buf *), struct buf *bp, dev_t dev,
33*7c478bd9Sstevel@tonic-gate     int rw, void (*mincnt)(struct buf *), struct uio *uio)
34*7c478bd9Sstevel@tonic-gate {
35*7c478bd9Sstevel@tonic-gate 	return (default_physio(strat, bp, dev, rw, mincnt, uio));
36*7c478bd9Sstevel@tonic-gate }
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate void
install_copyops(kthread_id_t tp,copyops_t * cp)39*7c478bd9Sstevel@tonic-gate install_copyops(kthread_id_t tp, copyops_t *cp)
40*7c478bd9Sstevel@tonic-gate {
41*7c478bd9Sstevel@tonic-gate 	ASSERT(tp->t_copyops == NULL);
42*7c478bd9Sstevel@tonic-gate 	tp->t_copyops = cp;
43*7c478bd9Sstevel@tonic-gate }
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate void
remove_copyops(kthread_id_t tp)46*7c478bd9Sstevel@tonic-gate remove_copyops(kthread_id_t tp)
47*7c478bd9Sstevel@tonic-gate {
48*7c478bd9Sstevel@tonic-gate 	ASSERT(tp->t_copyops != NULL);
49*7c478bd9Sstevel@tonic-gate 	tp->t_copyops = NULL;
50*7c478bd9Sstevel@tonic-gate }
51*7c478bd9Sstevel@tonic-gate 
52*7c478bd9Sstevel@tonic-gate int
copyops_installed(kthread_id_t tp)53*7c478bd9Sstevel@tonic-gate copyops_installed(kthread_id_t tp)
54*7c478bd9Sstevel@tonic-gate {
55*7c478bd9Sstevel@tonic-gate 	return (tp->t_copyops != NULL);
56*7c478bd9Sstevel@tonic-gate }
57