136 lines
5.1 KiB
C
136 lines
5.1 KiB
C
/* This just represents the non-kernel parts of <linux/quota.h>.
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Copyright (C) 1998-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/*
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* Copyright (c) 1982, 1986 Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Robert Elz at The University of Melbourne.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS_QUOTA_H
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#define _SYS_QUOTA_H 1
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#include <features.h>
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#include <sys/types.h>
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#include <linux/quota.h>
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/*
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* Convert diskblocks to blocks and the other way around.
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* currently only to fool the BSD source. :-)
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*/
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#define dbtob(num) ((num) << 10)
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#define btodb(num) ((num) >> 10)
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/*
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* Convert count of filesystem blocks to diskquota blocks, meant for
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* filesystems where i_blksize != 1024.
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*/
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#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / 1024)
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/*
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* Definitions for disk quotas imposed on the average user
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* (big brother finally hits Linux).
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*
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* The following constants define the amount of time given a user
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* before the soft limits are treated as hard limits (usually resulting
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* in an allocation failure). The timer is started when the user crosses
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* their soft limit, it is reset when they go below their soft limit.
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*/
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#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
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#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
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#define QUOTAFILENAME "quota"
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#define QUOTAGROUP "staff"
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#define NR_DQHASH 43 /* Just an arbitrary number any suggestions ? */
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#define NR_DQUOTS 256 /* Number of quotas active at one time */
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/* Old name for struct if_dqblk. */
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struct dqblk
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{
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__uint64_t dqb_bhardlimit; /* absolute limit on disk quota blocks alloc */
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__uint64_t dqb_bsoftlimit; /* preferred limit on disk quota blocks */
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__uint64_t dqb_curspace; /* current quota block count */
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__uint64_t dqb_ihardlimit; /* maximum # allocated inodes */
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__uint64_t dqb_isoftlimit; /* preferred inode limit */
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__uint64_t dqb_curinodes; /* current # allocated inodes */
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__uint64_t dqb_btime; /* time limit for excessive disk use */
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__uint64_t dqb_itime; /* time limit for excessive files */
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__uint32_t dqb_valid; /* bitmask of QIF_* constants */
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};
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/*
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* Shorthand notation.
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*/
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#define dq_bhardlimit dq_dqb.dqb_bhardlimit
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#define dq_bsoftlimit dq_dqb.dqb_bsoftlimit
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#define dq_curspace dq_dqb.dqb_curspace
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#define dq_valid dq_dqb.dqb_valid
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#define dq_ihardlimit dq_dqb.dqb_ihardlimit
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#define dq_isoftlimit dq_dqb.dqb_isoftlimit
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#define dq_curinodes dq_dqb.dqb_curinodes
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#define dq_btime dq_dqb.dqb_btime
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#define dq_itime dq_dqb.dqb_itime
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#define dqoff(UID) ((__loff_t)((UID) * sizeof (struct dqblk)))
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/* Old name for struct if_dqinfo. */
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struct dqinfo
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{
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__uint64_t dqi_bgrace;
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__uint64_t dqi_igrace;
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__uint32_t dqi_flags;
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__uint32_t dqi_valid;
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};
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__BEGIN_DECLS
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extern int quotactl (int __cmd, const char *__special, int __id,
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__caddr_t __addr) __THROW;
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__END_DECLS
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#endif /* sys/quota.h */
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