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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201/* * 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. * 3. 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 _UAPI_LINUX_QUOTA_#define _UAPI_LINUX_QUOTA_
#include <linux/types.h>
#define __DQUOT_VERSION__ "dquot_6.6.0"
#define MAXQUOTAS 3#define USRQUOTA 0 /* element used for user quotas */#define GRPQUOTA 1 /* element used for group quotas */#define PRJQUOTA 2 /* element used for project quotas */
/* * Definitions for the default names of the quotas files. */#define INITQFNAMES { \ "user", /* USRQUOTA */ \ "group", /* GRPQUOTA */ \ "project", /* PRJQUOTA */ \ "undefined", \};
/* * Command definitions for the 'quotactl' system call. * The commands are broken into a main command defined below * and a subcommand that is used to convey the type of * quota that is being manipulated (see above). */#define SUBCMDMASK 0x00ff#define SUBCMDSHIFT 8#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */#define Q_QUOTAON 0x800002 /* turn quotas on */#define Q_QUOTAOFF 0x800003 /* turn quotas off */#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */#define Q_GETINFO 0x800005 /* get information about quota files */#define Q_SETINFO 0x800006 /* set information about quota files */#define Q_GETQUOTA 0x800007 /* get user quota structure */#define Q_SETQUOTA 0x800008 /* set user quota structure */#define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */
/* Quota format type IDs */#define QFMT_VFS_OLD 1#define QFMT_VFS_V0 2#define QFMT_OCFS2 3#define QFMT_VFS_V1 4#define QFMT_SHMEM 5
/* Size of block in which space limits are passed through the quota * interface */#define QIF_DQBLKSIZE_BITS 10#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
/* * Quota structure used for communication with userspace via quotactl * Following flags are used to specify which fields are valid */enum { QIF_BLIMITS_B = 0, QIF_SPACE_B, QIF_ILIMITS_B, QIF_INODES_B, QIF_BTIME_B, QIF_ITIME_B,};
#define QIF_BLIMITS (1 << QIF_BLIMITS_B)#define QIF_SPACE (1 << QIF_SPACE_B)#define QIF_ILIMITS (1 << QIF_ILIMITS_B)#define QIF_INODES (1 << QIF_INODES_B)#define QIF_BTIME (1 << QIF_BTIME_B)#define QIF_ITIME (1 << QIF_ITIME_B)#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)#define QIF_USAGE (QIF_SPACE | QIF_INODES)#define QIF_TIMES (QIF_BTIME | QIF_ITIME)#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
struct if_dqblk { __u64 dqb_bhardlimit; __u64 dqb_bsoftlimit; __u64 dqb_curspace; __u64 dqb_ihardlimit; __u64 dqb_isoftlimit; __u64 dqb_curinodes; __u64 dqb_btime; __u64 dqb_itime; __u32 dqb_valid;};
struct if_nextdqblk { __u64 dqb_bhardlimit; __u64 dqb_bsoftlimit; __u64 dqb_curspace; __u64 dqb_ihardlimit; __u64 dqb_isoftlimit; __u64 dqb_curinodes; __u64 dqb_btime; __u64 dqb_itime; __u32 dqb_valid; __u32 dqb_id;};
/* * Structure used for setting quota information about file via quotactl * Following flags are used to specify which fields are valid */#define IIF_BGRACE 1#define IIF_IGRACE 2#define IIF_FLAGS 4#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
enum { DQF_ROOT_SQUASH_B = 0, DQF_SYS_FILE_B = 16, /* Kernel internal flags invisible to userspace */ DQF_PRIVATE};
/* Root squash enabled (for v1 quota format) */#define DQF_ROOT_SQUASH (1 << DQF_ROOT_SQUASH_B)/* Quota stored in a system file */#define DQF_SYS_FILE (1 << DQF_SYS_FILE_B)
struct if_dqinfo { __u64 dqi_bgrace; __u64 dqi_igrace; __u32 dqi_flags; /* DFQ_* */ __u32 dqi_valid;};
/* * Definitions for quota netlink interface */#define QUOTA_NL_NOWARN 0#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */
enum { QUOTA_NL_C_UNSPEC, QUOTA_NL_C_WARNING, __QUOTA_NL_C_MAX,};#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
enum { QUOTA_NL_A_UNSPEC, QUOTA_NL_A_QTYPE, QUOTA_NL_A_EXCESS_ID, QUOTA_NL_A_WARNING, QUOTA_NL_A_DEV_MAJOR, QUOTA_NL_A_DEV_MINOR, QUOTA_NL_A_CAUSED_ID, QUOTA_NL_A_PAD, __QUOTA_NL_A_MAX,};#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
#endif /* _UAPI_LINUX_QUOTA_ */