FreeBSD/Linux Kernel Cross Reference
sys/fs/coda/coda_io.h
1 /*-
2 *
3 * Coda: an Experimental Distributed File System
4 * Release 3.1
5 *
6 * Copyright (c) 1987-1998 Carnegie Mellon University
7 * All Rights Reserved
8 *
9 * Permission to use, copy, modify and distribute this software and its
10 * documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation, and
14 * that credit is given to Carnegie Mellon University in all documents
15 * and publicity pertaining to direct or indirect use of this code or its
16 * derivatives.
17 *
18 * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
19 * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
20 * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
21 * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
22 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
23 * ANY DERIVATIVE WORK.
24 *
25 * Carnegie Mellon encourages users of this software to return any
26 * improvements or extensions that they make, and to grant Carnegie
27 * Mellon the rights to redistribute these changes without encumbrance.
28 *
29 * @(#) src/sys/coda/coda_io.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
30 * $FreeBSD$
31 *
32 */
33
34 /*-
35 * Mach Operating System
36 * Copyright (c) 1990 Carnegie-Mellon University
37 * Copyright (c) 1989 Carnegie-Mellon University
38 * All rights reserved. The CMU software License Agreement specifies
39 * the terms and conditions for use and redistribution.
40 */
41
42 /*
43 * This code was written for the Coda filesystem at Carnegie Mellon University.
44 * Contributers include David Steere, James Kistler, and M. Satyanarayanan.
45 */
46
47 #ifndef _CODAIO_H_
48 #define _CODAIO_H_
49
50 /*
51 * Define ioctl commands for vcioctl, /dev/cfs.
52 *
53 * Resize Coda namecache.
54 */
55 #define CODARESIZE _IOW('c', 1, struct coda_resize)
56
57 /*
58 * Collect statistics.
59 */
60 #define CODASTATS _IO('c', 2)
61
62 /*
63 * Print cache.
64 */
65 #define CODAPRINT _IO('c', 3)
66 #define CODATEST _IO('c', 4)
67
68 struct coda_resize {
69 int hashsize;
70 int heapsize;
71 };
72
73 #endif /* !_CODAIO_H_ */
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