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/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __XFS_DQBLK_H__
#define __XFS_DQBLK_H__
/*
* The ondisk form of a dquot structure.
*/
#define XFS_DQUOT_MAGIC 0x4451 /* 'DQ' */
#define XFS_DQUOT_VERSION (u_int8_t)0x01 /* latest version number */
/*
* This is the main portion of the on-disk representation of quota
* information for a user. This is the q_core of the xfs_dquot_t that
* is kept in kernel memory. We pad this with some more expansion room
* to construct the on disk structure.
*/
typedef struct xfs_disk_dquot {
/*16*/ u_int16_t d_magic; /* dquot magic = XFS_DQUOT_MAGIC */
/*8 */ u_int8_t d_version; /* dquot version */
/*8 */ u_int8_t d_flags; /* XFS_DQ_USER/PROJ/GROUP */
/*32*/ xfs_dqid_t d_id; /* user,project,group id */
/*64*/ xfs_qcnt_t d_blk_hardlimit;/* absolute limit on disk blks */
/*64*/ xfs_qcnt_t d_blk_softlimit;/* preferred limit on disk blks */
/*64*/ xfs_qcnt_t d_ino_hardlimit;/* maximum # allocated inodes */
/*64*/ xfs_qcnt_t d_ino_softlimit;/* preferred inode limit */
/*64*/ xfs_qcnt_t d_bcount; /* disk blocks owned by the user */
/*64*/ xfs_qcnt_t d_icount; /* inodes owned by the user */
/*32*/ __int32_t d_itimer; /* zero if within inode limits if not,
this is when we refuse service */
/*32*/ __int32_t d_btimer; /* similar to above; for disk blocks */
/*16*/ xfs_qwarncnt_t d_iwarns; /* warnings issued wrt num inodes */
/*16*/ xfs_qwarncnt_t d_bwarns; /* warnings issued wrt disk blocks */
/*32*/ __int32_t d_pad0; /* 64 bit align */
/*64*/ xfs_qcnt_t d_rtb_hardlimit;/* absolute limit on realtime blks */
/*64*/ xfs_qcnt_t d_rtb_softlimit;/* preferred limit on RT disk blks */
/*64*/ xfs_qcnt_t d_rtbcount; /* realtime blocks owned */
/*32*/ __int32_t d_rtbtimer; /* similar to above; for RT disk blocks */
/*16*/ xfs_qwarncnt_t d_rtbwarns; /* warnings issued wrt RT disk blocks */
/*16*/ __uint16_t d_pad;
} xfs_disk_dquot_t;
/*
* This is what goes on disk. This is separated from the xfs_disk_dquot because
* carrying the unnecessary padding would be a waste of memory.
*/
typedef struct xfs_dqblk {
xfs_disk_dquot_t dd_diskdq; /* portion that lives incore as well */
char dd_fill[32]; /* filling for posterity */
} xfs_dqblk_t;
/*
* flags for q_flags field in the dquot.
*/
#define XFS_DQ_USER 0x0001 /* a user quota */
/* #define XFS_DQ_PROJ 0x0002 -- project quota (IRIX) */
#define XFS_DQ_GROUP 0x0004 /* a group quota */
#define XFS_DQ_FLOCKED 0x0008 /* flush lock taken */
#define XFS_DQ_DIRTY 0x0010 /* dquot is dirty */
#define XFS_DQ_WANT 0x0020 /* for lookup/reclaim race */
#define XFS_DQ_INACTIVE 0x0040 /* dq off mplist & hashlist */
#define XFS_DQ_MARKER 0x0080 /* sentinel */
/*
* In the worst case, when both user and group quotas are on,
* we can have a max of three dquots changing in a single transaction.
*/
#define XFS_DQUOT_LOGRES(mp) (sizeof(xfs_disk_dquot_t) * 3)
#endif /* __XFS_DQBLK_H__ */
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