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607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
172 lines
5.5 KiB
C
172 lines
5.5 KiB
C
/*
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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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* 3. 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 _UAPI_LINUX_QUOTA_
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#define _UAPI_LINUX_QUOTA_
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#include <linux/errno.h>
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#include <linux/types.h>
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#define __DQUOT_VERSION__ "dquot_6.5.2"
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#define MAXQUOTAS 2
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#define USRQUOTA 0 /* element used for user quotas */
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#define GRPQUOTA 1 /* element used for group quotas */
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/*
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* Definitions for the default names of the quotas files.
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*/
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#define INITQFNAMES { \
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"user", /* USRQUOTA */ \
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"group", /* GRPQUOTA */ \
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"undefined", \
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};
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/*
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* Command definitions for the 'quotactl' system call.
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* The commands are broken into a main command defined below
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* and a subcommand that is used to convey the type of
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* quota that is being manipulated (see above).
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*/
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#define SUBCMDMASK 0x00ff
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#define SUBCMDSHIFT 8
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#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
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#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
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#define Q_QUOTAON 0x800002 /* turn quotas on */
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#define Q_QUOTAOFF 0x800003 /* turn quotas off */
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#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
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#define Q_GETINFO 0x800005 /* get information about quota files */
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#define Q_SETINFO 0x800006 /* set information about quota files */
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#define Q_GETQUOTA 0x800007 /* get user quota structure */
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#define Q_SETQUOTA 0x800008 /* set user quota structure */
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/* Quota format type IDs */
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#define QFMT_VFS_OLD 1
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#define QFMT_VFS_V0 2
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#define QFMT_OCFS2 3
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#define QFMT_VFS_V1 4
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/* Size of block in which space limits are passed through the quota
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* interface */
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#define QIF_DQBLKSIZE_BITS 10
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#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
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/*
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* Quota structure used for communication with userspace via quotactl
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* Following flags are used to specify which fields are valid
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*/
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enum {
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QIF_BLIMITS_B = 0,
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QIF_SPACE_B,
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QIF_ILIMITS_B,
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QIF_INODES_B,
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QIF_BTIME_B,
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QIF_ITIME_B,
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};
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#define QIF_BLIMITS (1 << QIF_BLIMITS_B)
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#define QIF_SPACE (1 << QIF_SPACE_B)
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#define QIF_ILIMITS (1 << QIF_ILIMITS_B)
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#define QIF_INODES (1 << QIF_INODES_B)
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#define QIF_BTIME (1 << QIF_BTIME_B)
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#define QIF_ITIME (1 << QIF_ITIME_B)
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#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
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#define QIF_USAGE (QIF_SPACE | QIF_INODES)
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#define QIF_TIMES (QIF_BTIME | QIF_ITIME)
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#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
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struct if_dqblk {
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__u64 dqb_bhardlimit;
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__u64 dqb_bsoftlimit;
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__u64 dqb_curspace;
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__u64 dqb_ihardlimit;
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__u64 dqb_isoftlimit;
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__u64 dqb_curinodes;
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__u64 dqb_btime;
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__u64 dqb_itime;
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__u32 dqb_valid;
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};
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/*
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* Structure used for setting quota information about file via quotactl
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* Following flags are used to specify which fields are valid
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*/
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#define IIF_BGRACE 1
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#define IIF_IGRACE 2
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#define IIF_FLAGS 4
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#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
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struct if_dqinfo {
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__u64 dqi_bgrace;
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__u64 dqi_igrace;
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__u32 dqi_flags;
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__u32 dqi_valid;
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};
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/*
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* Definitions for quota netlink interface
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*/
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#define QUOTA_NL_NOWARN 0
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#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
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#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
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#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
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#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
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#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
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#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
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#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */
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#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */
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#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */
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#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */
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enum {
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QUOTA_NL_C_UNSPEC,
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QUOTA_NL_C_WARNING,
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__QUOTA_NL_C_MAX,
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};
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#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
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enum {
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QUOTA_NL_A_UNSPEC,
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QUOTA_NL_A_QTYPE,
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QUOTA_NL_A_EXCESS_ID,
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QUOTA_NL_A_WARNING,
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QUOTA_NL_A_DEV_MAJOR,
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QUOTA_NL_A_DEV_MINOR,
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QUOTA_NL_A_CAUSED_ID,
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__QUOTA_NL_A_MAX,
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};
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#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
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#endif /* _UAPI_LINUX_QUOTA_ */
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