xref: /minix/sys/ufs/ufs/quota.h (revision 84d9c625)
1 /*	$NetBSD: quota.h,v 1.30 2012/08/26 02:32:14 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Robert Elz at The University of Melbourne.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)quota.h	8.3 (Berkeley) 8/19/94
35  */
36 
37 #ifndef	_UFS_UFS_QUOTA_H_
38 #define	_UFS_UFS_QUOTA_H_
39 
40 /*
41  * These definitions are common to the original disk quota implementation
42  * (quota1) and the newer implementation (quota2)
43  */
44 
45 /*
46  * The following constants define the usage of the quota file array in the
47  * ufsmount structure and dquot array in the inode structure.  The semantics
48  * of the elements of these arrays are defined in the routine getinoquota;
49  * the remainder of the quota code treats them generically and need not be
50  * inspected when changing the size of the array.
51  */
52 #define	MAXQUOTAS	2
53 #define	USRQUOTA	0	/* element used for user quotas */
54 #define	GRPQUOTA	1	/* element used for group quotas */
55 
56 /*
57  * Initializer for the strings corresponding to the quota ID types.
58  * (in quota1 these are also the default names of the quota files)
59  */
60 #define INITQFNAMES { \
61 	"user",		/* USRQUOTA */ \
62 	"group",	/* GRPQUOTA */ \
63 }
64 
65 #if !defined(HAVE_NBTOOL_CONFIG_H)
66 #include <sys/quota.h>
67 __inline static int __unused
quota_idtype_to_ufs(int idtype)68 quota_idtype_to_ufs(int idtype)
69 {
70 	switch (idtype) {
71 	case QUOTA_IDTYPE_USER:
72 		return USRQUOTA;
73 	case QUOTA_IDTYPE_GROUP:
74 		return GRPQUOTA;
75 	default:
76 		return -1;
77 	}
78 }
79 
80 static __inline int __unused
quota_idtype_from_ufs(int ufstype)81 quota_idtype_from_ufs(int ufstype)
82 {
83 	switch (ufstype) {
84 	case USRQUOTA:
85 		return QUOTA_IDTYPE_USER;
86 	case GRPQUOTA:
87 		return QUOTA_IDTYPE_GROUP;
88 	default:
89 		return -1;
90 	}
91 }
92 #endif /* !defined(HAVE_NBTOOL_CONFIG_H) */
93 
94 #ifdef _KERNEL
95 
96 #include <sys/cdefs.h>
97 
98 __BEGIN_DECLS
99 void	dqinit(void);
100 void	dqreinit(void);
101 void	dqdone(void);
102 __END_DECLS
103 #endif /* _KERNEL */
104 
105 #endif /* !_UFS_UFS_QUOTA_H_ */
106