include/samba_xfs_quota.h

説明を見る。
00001 #ifndef _SAMBA_LINUX_XFS_H_
00002 #define _SAMBA_LINUX_XFS_H_
00003 
00004 #ifndef _QUOTAIO_LINUX_XFS
00005 #define _QUOTAIO_LINUX_XFS
00006 
00007 /*
00008  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
00009  *
00010  * This program is free software; you can redistribute it and/or modify it
00011  * under the terms of version 2 of the GNU General Public License as
00012  * published by the Free Software Foundation.
00013  *
00014  * This program is distributed in the hope that it would be useful, but
00015  * WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00017  *
00018  * Further, this software is distributed without any warranty that it is
00019  * free of the rightful claim of any third person regarding infringement
00020  * or the like.  Any license provided herein, whether implied or
00021  * otherwise, applies only to this software file.  Patent licenses, if
00022  * any, provided herein do not apply to combinations of this program with
00023  * other software, or any other product whatsoever.
00024  *
00025  * You should have received a copy of the GNU General Public License along
00026  * with this program; if not, write the Free Software Foundation, Inc., 59
00027  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
00028  *
00029  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
00030  * Mountain View, CA  94043, or:
00031  *
00032  * http://www.sgi.com
00033  *
00034  * For further information regarding this notice, see:
00035  *
00036  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
00037  */
00038 
00039 #include <linux/types.h>
00040 
00041 #define XQM_CMD(cmd)    ( ('X'<<8)+(cmd) )
00042 #define IS_XQM_CMD(cmd) ( ((int)(cmd)>>8) == 'X' )
00043 
00044 /*
00045  * Disk quota - quotactl(2) commands for XFS Quota Manager (XQM).
00046  */
00047 #define Q_XQUOTAON   XQM_CMD(0x1)       /* enable quota accounting/enforcement */
00048 #define Q_XQUOTAOFF  XQM_CMD(0x2)       /* disable quota accounting/enforcement */
00049 #define Q_XGETQUOTA  XQM_CMD(0x3)       /* get disk limits & usage */
00050 #define Q_XSETQLIM   XQM_CMD(0x4)       /* set disk limits only */
00051 #define Q_XGETQSTAT  XQM_CMD(0x5)       /* returns fs_quota_stat_t struct */
00052 #define Q_XQUOTARM   XQM_CMD(0x6)       /* free quota files' space */
00053 
00054 /*
00055  * fs_disk_quota structure:
00056  *
00057  * This contains the current quota information regarding a user/proj/group.
00058  * It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of
00059  * 512 bytes.
00060  */
00061 #define FS_DQUOT_VERSION        1       /* fs_disk_quota.d_version */
00062 typedef struct fs_disk_quota {
00063         u_int8_t d_version;             /* version of this structure */
00064         u_int8_t d_flags;               /* XFS_{USER,PROJ,GROUP}_QUOTA */
00065         u_int16_t d_fieldmask;  /* field specifier */
00066         u_int32_t d_id;         /* user, project, or group ID */
00067         u_int64_t d_blk_hardlimit;      /* absolute limit on disk blks */
00068         u_int64_t d_blk_softlimit;      /* preferred limit on disk blks */
00069         u_int64_t d_ino_hardlimit;      /* maximum # allocated inodes */
00070         u_int64_t d_ino_softlimit;      /* preferred inode limit */
00071         u_int64_t d_bcount;             /* # disk blocks owned by the user */
00072         u_int64_t d_icount;             /* # inodes owned by the user */
00073         int32_t d_itimer;               /* zero if within inode limits */
00074         /* if not, we refuse service */
00075         int32_t d_btimer;               /* similar to above; for disk blocks */
00076         u_int16_t d_iwarns;             /* # warnings issued wrt num inodes */
00077         u_int16_t d_bwarns;             /* # warnings issued wrt disk blocks */
00078         int32_t d_padding2;     /* padding2 - for future use */
00079         u_int64_t d_rtb_hardlimit;      /* absolute limit on realtime blks */
00080         u_int64_t d_rtb_softlimit;      /* preferred limit on RT disk blks */
00081         u_int64_t d_rtbcount;   /* # realtime blocks owned */
00082         int32_t d_rtbtimer;     /* similar to above; for RT disk blks */
00083         u_int16_t d_rtbwarns;   /* # warnings issued wrt RT disk blks */
00084         int16_t d_padding3;     /* padding3 - for future use */
00085         char d_padding4[8];     /* yet more padding */
00086 } fs_disk_quota_t;
00087 
00088 /*
00089  * These fields are sent to Q_XSETQLIM to specify fields that need to change.
00090  */
00091 #define FS_DQ_ISOFT     (1<<0)
00092 #define FS_DQ_IHARD     (1<<1)
00093 #define FS_DQ_BSOFT     (1<<2)
00094 #define FS_DQ_BHARD     (1<<3)
00095 #define FS_DQ_RTBSOFT   (1<<4)
00096 #define FS_DQ_RTBHARD   (1<<5)
00097 #define FS_DQ_LIMIT_MASK        (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \
00098                                  FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD)
00099 /*
00100  * These timers can only be set in super user's dquot. For others, timers are
00101  * automatically started and stopped. Superusers timer values set the limits
00102  * for the rest.  In case these values are zero, the DQ_{F,B}TIMELIMIT values
00103  * defined below are used. 
00104  * These values also apply only to the d_fieldmask field for Q_XSETQLIM.
00105  */
00106 #define FS_DQ_BTIMER    (1<<6)
00107 #define FS_DQ_ITIMER    (1<<7)
00108 #define FS_DQ_RTBTIMER  (1<<8)
00109 #define FS_DQ_TIMER_MASK        (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER)
00110 
00111 /*
00112  * The following constants define the default amount of time given a user
00113  * before the soft limits are treated as hard limits (usually resulting
00114  * in an allocation failure).  These may be modified by the quotactl(2)
00115  * system call with the Q_XSETQLIM command.
00116  */
00117 #define DQ_FTIMELIMIT   (7 * 24*60*60)  /* 1 week */
00118 #define DQ_BTIMELIMIT   (7 * 24*60*60)  /* 1 week */
00119 
00120 /*
00121  * Various flags related to quotactl(2).  Only relevant to XFS filesystems.
00122  */
00123 #define XFS_QUOTA_UDQ_ACCT      (1<<0)  /* user quota accounting */
00124 #define XFS_QUOTA_UDQ_ENFD      (1<<1)  /* user quota limits enforcement */
00125 #define XFS_QUOTA_GDQ_ACCT      (1<<2)  /* group quota accounting */
00126 #define XFS_QUOTA_GDQ_ENFD      (1<<3)  /* group quota limits enforcement */
00127 
00128 #define XFS_USER_QUOTA          (1<<0)  /* user quota type */
00129 #define XFS_PROJ_QUOTA          (1<<1)  /* (IRIX) project quota type */
00130 #define XFS_GROUP_QUOTA         (1<<2)  /* group quota type */
00131 
00132 /*
00133  * fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system.
00134  * Provides a centralized way to get meta infomation about the quota subsystem.
00135  * eg. space taken up for user and group quotas, number of dquots currently
00136  * incore.
00137  */
00138 #define FS_QSTAT_VERSION        1       /* fs_quota_stat.qs_version */
00139 
00140 /*
00141  * Some basic infomation about 'quota files'.
00142  */
00143 typedef struct fs_qfilestat {
00144         u_int64_t qfs_ino;              /* inode number */
00145         u_int64_t qfs_nblks;    /* number of BBs 512-byte-blks */
00146         u_int32_t qfs_nextents; /* number of extents */
00147 } fs_qfilestat_t;
00148 
00149 typedef struct fs_quota_stat {
00150         u_int8_t qs_version;    /* version number for future changes */
00151         u_int16_t qs_flags;             /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
00152         u_int8_t qs_pad;                /* unused */
00153         fs_qfilestat_t qs_uquota;       /* user quota storage information */
00154         fs_qfilestat_t qs_gquota;       /* group quota storage information */
00155         u_int32_t qs_incoredqs; /* number of dquots incore */
00156         int32_t qs_btimelimit;  /* limit for blks timer */
00157         int32_t qs_itimelimit;  /* limit for inodes timer */
00158         int32_t qs_rtbtimelimit;        /* limit for rt blks timer */
00159         u_int16_t qs_bwarnlimit;        /* limit for num warnings */
00160         u_int16_t qs_iwarnlimit;        /* limit for num warnings */
00161 } fs_quota_stat_t;
00162 
00163 #endif /* _QUOTAIO_LINUX_XFS */
00164 
00165 #endif /* _SAMBA_LINUX_XFS_H_ */

Sambaに対してSat Aug 29 21:22:57 2009に生成されました。  doxygen 1.4.7