| 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 | |