ikan Uploader :
Directory : /usr/include/sys/
Upload File : |
| Current File : //usr/include/sys/quota.h |
/* This just represents the non-kernel parts of <linux/quota.h>.
Copyright (C) 1998-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Robert Elz at The University of Melbourne.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_QUOTA_H
#define _SYS_QUOTA_H 1
#include <features.h>
#include <sys/types.h>
#include <linux/quota.h>
/*
* Convert diskblocks to blocks and the other way around.
* currently only to fool the BSD source. :-)
*/
#define dbtob(num) ((num) << 10)
#define btodb(num) ((num) >> 10)
/*
* Convert count of filesystem blocks to diskquota blocks, meant for
* filesystems where i_blksize != 1024.
*/
#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / 1024)
/*
* Definitions for disk quotas imposed on the average user
* (big brother finally hits Linux).
*
* The following constants define the amount of time given a user
* before the soft limits are treated as hard limits (usually resulting
* in an allocation failure). The timer is started when the user crosses
* their soft limit, it is reset when they go below their soft limit.
*/
#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
#define QUOTAFILENAME "quota"
#define QUOTAGROUP "staff"
#define NR_DQHASH 43 /* Just an arbitrary number any suggestions ? */
#define NR_DQUOTS 256 /* Number of quotas active at one time */
/* Old name for struct if_dqblk. */
struct dqblk
{
__uint64_t dqb_bhardlimit; /* absolute limit on disk quota blocks alloc */
__uint64_t dqb_bsoftlimit; /* preferred limit on disk quota blocks */
__uint64_t dqb_curspace; /* current quota block count */
__uint64_t dqb_ihardlimit; /* maximum # allocated inodes */
__uint64_t dqb_isoftlimit; /* preferred inode limit */
__uint64_t dqb_curinodes; /* current # allocated inodes */
__uint64_t dqb_btime; /* time limit for excessive disk use */
__uint64_t dqb_itime; /* time limit for excessive files */
__uint32_t dqb_valid; /* bitmask of QIF_* constants */
};
/*
* Shorthand notation.
*/
#define dq_bhardlimit dq_dqb.dqb_bhardlimit
#define dq_bsoftlimit dq_dqb.dqb_bsoftlimit
#define dq_curspace dq_dqb.dqb_curspace
#define dq_valid dq_dqb.dqb_valid
#define dq_ihardlimit dq_dqb.dqb_ihardlimit
#define dq_isoftlimit dq_dqb.dqb_isoftlimit
#define dq_curinodes dq_dqb.dqb_curinodes
#define dq_btime dq_dqb.dqb_btime
#define dq_itime dq_dqb.dqb_itime
#define dqoff(UID) ((__loff_t)((UID) * sizeof (struct dqblk)))
/* Old name for struct if_dqinfo. */
struct dqinfo
{
__uint64_t dqi_bgrace;
__uint64_t dqi_igrace;
__uint32_t dqi_flags;
__uint32_t dqi_valid;
};
__BEGIN_DECLS
extern int quotactl (int __cmd, const char *__special, int __id,
__caddr_t __addr) __THROW;
__END_DECLS
#endif /* sys/quota.h */
........