1/* $NetBSD: quota1_subr.c,v 1.6 2011/11/25 16:55:05 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 1.6 2011/11/25 16:55:05 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 37static uint64_t 38dqblk2q2e_limit(uint32_t lim) 39{ 40 if (lim == 0) 41 return UQUAD_MAX; 42 else 43 return (lim - 1); 44} 45 46static uint32_t 47q2e2dqblk_limit(uint64_t lim) 48{ 49 if (lim == UQUAD_MAX) 50 return 0; 51 else 52 return (lim + 1); 53} 54 55void 56dqblk_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 72void 73quotavals_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