1 | /* $NetBSD: quota1_subr.c,v 1.7 2012/01/29 06:23:20 dholland Exp $ */ |
2 | /*- |
3 | * Copyright (c) 2010 Manuel Bouyer |
4 | * All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
16 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
17 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
18 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
19 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
25 | * POSSIBILITY OF SUCH DAMAGE. |
26 | */ |
27 | |
28 | #include <sys/cdefs.h> |
29 | __KERNEL_RCSID(0, "$NetBSD: quota1_subr.c,v 1.7 2012/01/29 06:23:20 dholland Exp $" ); |
30 | |
31 | #include <sys/types.h> |
32 | #include <machine/limits.h> |
33 | |
34 | #include <sys/quota.h> |
35 | #include <ufs/ufs/quota1.h> |
36 | |
37 | static uint64_t |
38 | dqblk2q2e_limit(uint32_t lim) |
39 | { |
40 | if (lim == 0) |
41 | return UQUAD_MAX; |
42 | else |
43 | return (lim - 1); |
44 | } |
45 | |
46 | static uint32_t |
47 | q2e2dqblk_limit(uint64_t lim) |
48 | { |
49 | if (lim == UQUAD_MAX) |
50 | return 0; |
51 | else |
52 | return (lim + 1); |
53 | } |
54 | |
55 | void |
56 | dqblk_to_quotavals(const struct dqblk *dqblk, |
57 | struct quotaval *blocks, struct quotaval *files) |
58 | { |
59 | /* XXX is qv_grace getting handled correctly? */ |
60 | |
61 | blocks->qv_hardlimit = dqblk2q2e_limit(dqblk->dqb_bhardlimit); |
62 | blocks->qv_softlimit = dqblk2q2e_limit(dqblk->dqb_bsoftlimit); |
63 | blocks->qv_usage = dqblk->dqb_curblocks; |
64 | blocks->qv_expiretime = dqblk->dqb_btime; |
65 | |
66 | files->qv_hardlimit = dqblk2q2e_limit(dqblk->dqb_ihardlimit); |
67 | files->qv_softlimit = dqblk2q2e_limit(dqblk->dqb_isoftlimit); |
68 | files->qv_usage = dqblk->dqb_curinodes; |
69 | files->qv_expiretime = dqblk->dqb_itime; |
70 | } |
71 | |
72 | void |
73 | quotavals_to_dqblk(const struct quotaval *blocks, const struct quotaval *files, |
74 | struct dqblk *dqblk) |
75 | { |
76 | /* XXX is qv_grace getting handled correctly? */ |
77 | |
78 | dqblk->dqb_bhardlimit = q2e2dqblk_limit(blocks->qv_hardlimit); |
79 | dqblk->dqb_bsoftlimit = q2e2dqblk_limit(blocks->qv_softlimit); |
80 | dqblk->dqb_curblocks = blocks->qv_usage; |
81 | dqblk->dqb_btime = blocks->qv_expiretime; |
82 | |
83 | dqblk->dqb_ihardlimit = q2e2dqblk_limit(files->qv_hardlimit); |
84 | dqblk->dqb_isoftlimit = q2e2dqblk_limit(files->qv_softlimit); |
85 | dqblk->dqb_curinodes = files->qv_usage; |
86 | dqblk->dqb_itime = files->qv_expiretime; |
87 | } |
88 | |
89 | |