xref: /netbsd-src/sbin/fsck_lfs/kernelops.c (revision aa97815be0953bb5e277da3a05e0905e1a0955f7)
1 /*	$NetBSD: kernelops.c,v 1.4 2020/06/17 00:16:21 kamil Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 #ifndef lint
31 __RCSID("$NetBSD: kernelops.c,v 1.4 2020/06/17 00:16:21 kamil Exp $");
32 #endif /* !lint */
33 
34 /*
35  * Select operations vector for kernel communication -- either regular
36  * system calls or rump system calls.  The latter are use when the
37  * cleaner is run as part of rump_lfs.
38  *
39  * The selection is controlled by an ifdef for now, since I see no
40  * value in making it dynamic.
41  */
42 
43 #include <sys/types.h>
44 #include <sys/mount.h>
45 #include <sys/statvfs.h>
46 
47 #include <fcntl.h>
48 #include <unistd.h>
49 
50 #include "kernelops.h"
51 
52 #ifdef USE_RUMP
53 
54 #include <rump/rump.h>
55 #include <rump/rump_syscallshotgun.h>
56 #include <rump/rump_syscalls.h>
57 
58 const struct kernelops kops = {
59 	.ko_open = rump_sys_open,
60 	.ko_fcntl = rump_sys_fcntl,
61 	.ko_statvfs = rump_sys_statvfs1,
62 	.ko_fhopen = rump_sys_fhopen,
63 	.ko_close = rump_sys_close,
64 
65 	.ko_pread = rump_sys_pread,
66 	.ko_pwrite = rump_sys_pwrite,
67 };
68 
69 #else
70 
71 const struct kernelops kops = {
72 	.ko_open = open,
73 	.ko_fcntl = fcntl,
74 	.ko_statvfs = statvfs1,
75 	.ko_fhopen = fhopen,
76 	.ko_close = close,
77 
78 	.ko_pread = pread,
79 	.ko_pwrite = pwrite,
80 };
81 #endif
82