1 /* $NetBSD: ulfs_quota1_subr.c,v 1.4 2021/07/25 06:10:01 skrll 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 1.4 2021/07/25 06:10:01 skrll Exp $");
32
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/quota.h>
36
37 #include <ufs/lfs/ulfs_quota1.h>
38
39 static uint64_t
dqblk2q2e_limit(uint32_t lim)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
q2e2dqblk_limit(uint64_t lim)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
lfs_dqblk_to_quotavals(const struct dqblk * dqblk,struct quotaval * blocks,struct quotaval * files)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
lfs_quotavals_to_dqblk(const struct quotaval * blocks,const struct quotaval * files,struct dqblk * dqblk)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