1 | /* $NetBSD: ulfs_quota1_subr.c,v 1.3 2013/06/06 00:49:28 dholland Exp $ */ |
2 | /* from NetBSD: quota1_subr.c,v 1.7 2012/01/29 06:23:20 dholland Exp */ |
3 | |
4 | /*- |
5 | * Copyright (c) 2010 Manuel Bouyer |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
18 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
19 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
20 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
27 | * POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
29 | |
30 | #include <sys/cdefs.h> |
31 | __KERNEL_RCSID(0, "$NetBSD: ulfs_quota1_subr.c,v 1.3 2013/06/06 00:49:28 dholland Exp $" ); |
32 | |
33 | #include <sys/types.h> |
34 | #include <machine/limits.h> |
35 | |
36 | #include <sys/quota.h> |
37 | #include <ufs/lfs/ulfs_quota1.h> |
38 | |
39 | static uint64_t |
40 | dqblk2q2e_limit(uint32_t lim) |
41 | { |
42 | if (lim == 0) |
43 | return UQUAD_MAX; |
44 | else |
45 | return (lim - 1); |
46 | } |
47 | |
48 | static uint32_t |
49 | q2e2dqblk_limit(uint64_t lim) |
50 | { |
51 | if (lim == UQUAD_MAX) |
52 | return 0; |
53 | else |
54 | return (lim + 1); |
55 | } |
56 | |
57 | void |
58 | lfs_dqblk_to_quotavals(const struct dqblk *dqblk, |
59 | struct quotaval *blocks, struct quotaval *files) |
60 | { |
61 | /* XXX is qv_grace getting handled correctly? */ |
62 | |
63 | blocks->qv_hardlimit = dqblk2q2e_limit(dqblk->dqb_bhardlimit); |
64 | blocks->qv_softlimit = dqblk2q2e_limit(dqblk->dqb_bsoftlimit); |
65 | blocks->qv_usage = dqblk->dqb_curblocks; |
66 | blocks->qv_expiretime = dqblk->dqb_btime; |
67 | |
68 | files->qv_hardlimit = dqblk2q2e_limit(dqblk->dqb_ihardlimit); |
69 | files->qv_softlimit = dqblk2q2e_limit(dqblk->dqb_isoftlimit); |
70 | files->qv_usage = dqblk->dqb_curinodes; |
71 | files->qv_expiretime = dqblk->dqb_itime; |
72 | } |
73 | |
74 | void |
75 | lfs_quotavals_to_dqblk(const struct quotaval *blocks, const struct quotaval *files, |
76 | struct dqblk *dqblk) |
77 | { |
78 | /* XXX is qv_grace getting handled correctly? */ |
79 | |
80 | dqblk->dqb_bhardlimit = q2e2dqblk_limit(blocks->qv_hardlimit); |
81 | dqblk->dqb_bsoftlimit = q2e2dqblk_limit(blocks->qv_softlimit); |
82 | dqblk->dqb_curblocks = blocks->qv_usage; |
83 | dqblk->dqb_btime = blocks->qv_expiretime; |
84 | |
85 | dqblk->dqb_ihardlimit = q2e2dqblk_limit(files->qv_hardlimit); |
86 | dqblk->dqb_isoftlimit = q2e2dqblk_limit(files->qv_softlimit); |
87 | dqblk->dqb_curinodes = files->qv_usage; |
88 | dqblk->dqb_itime = files->qv_expiretime; |
89 | } |
90 | |
91 | |