#ifndef _SAMBA_LINUX_XFS_H_ #define _SAMBA_LINUX_XFS_H_ #ifndef _QUOTAIO_LINUX_XFS #define _QUOTAIO_LINUX_XFS /* * 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/ */ #include <linux/types.h> #define XQM_CMD(cmd) ( ('X'<<8)+(cmd) ) #define IS_XQM_CMD(cmd) ( ((int)(cmd)>>8) == 'X' ) /* * Disk quota - quotactl(2) commands for XFS Quota Manager (XQM). */ #define Q_XQUOTAON XQM_CMD(0x1) /* enable quota accounting/enforcement */ #define Q_XQUOTAOFF XQM_CMD(0x2) /* disable quota accounting/enforcement */ #define Q_XGETQUOTA XQM_CMD(0x3) /* get disk limits & usage */ #define Q_XSETQLIM XQM_CMD(0x4) /* set disk limits only */ #define Q_XGETQSTAT XQM_CMD(0x5) /* returns fs_quota_stat_t struct */ #define Q_XQUOTARM XQM_CMD(0x6) /* free quota files' space */ /* * fs_disk_quota structure: * * This contains the current quota information regarding a user/proj/group. * It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of * 512 bytes. */ #define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */ typedef struct fs_disk_quota { u_int8_t d_version; /* version of this structure */ u_int8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */ u_int16_t d_fieldmask; /* field specifier */ u_int32_t d_id; /* user, project, or group ID */ u_int64_t d_blk_hardlimit; /* absolute limit on disk blks */ u_int64_t d_blk_softlimit; /* preferred limit on disk blks */ u_int64_t d_ino_hardlimit; /* maximum # allocated inodes */ u_int64_t d_ino_softlimit; /* preferred inode limit */ u_int64_t d_bcount; /* # disk blocks owned by the user */ u_int64_t d_icount; /* # inodes owned by the user */ int32_t d_itimer; /* zero if within inode limits */ /* if not, we refuse service */ int32_t d_btimer; /* similar to above; for disk blocks */ u_int16_t d_iwarns; /* # warnings issued wrt num inodes */ u_int16_t d_bwarns; /* # warnings issued wrt disk blocks */ int32_t d_padding2; /* padding2 - for future use */ u_int64_t d_rtb_hardlimit; /* absolute limit on realtime blks */ u_int64_t d_rtb_softlimit; /* preferred limit on RT disk blks */ u_int64_t d_rtbcount; /* # realtime blocks owned */ int32_t d_rtbtimer; /* similar to above; for RT disk blks */ u_int16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */ int16_t d_padding3; /* padding3 - for future use */ char d_padding4[8]; /* yet more padding */ } fs_disk_quota_t; /* * These fields are sent to Q_XSETQLIM to specify fields that need to change. */ #define FS_DQ_ISOFT (1<<0) #define FS_DQ_IHARD (1<<1) #define FS_DQ_BSOFT (1<<2) #define FS_DQ_BHARD (1<<3) #define FS_DQ_RTBSOFT (1<<4) #define FS_DQ_RTBHARD (1<<5) #define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \ FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD) /* * These timers can only be set in super user's dquot. For others, timers are * automatically started and stopped. Superusers timer values set the limits * for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values * defined below are used. * These values also apply only to the d_fieldmask field for Q_XSETQLIM. */ #define FS_DQ_BTIMER (1<<6) #define FS_DQ_ITIMER (1<<7) #define FS_DQ_RTBTIMER (1<<8) #define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER) /* * The following constants define the default amount of time given a user * before the soft limits are treated as hard limits (usually resulting * in an allocation failure). These may be modified by the quotactl(2) * system call with the Q_XSETQLIM command. */ #define DQ_FTIMELIMIT (7 * 24*60*60) /* 1 week */ #define DQ_BTIMELIMIT (7 * 24*60*60) /* 1 week */ /* * Various flags related to quotactl(2). Only relevant to XFS filesystems. */ #define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */ #define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */ #define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */ #define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */ #define XFS_USER_QUOTA (1<<0) /* user quota type */ #define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */ #define XFS_GROUP_QUOTA (1<<2) /* group quota type */ /* * fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system. * Provides a centralized way to get meta infomation about the quota subsystem. * eg. space taken up for user and group quotas, number of dquots currently * incore. */ #define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */ /* * Some basic infomation about 'quota files'. */ typedef struct fs_qfilestat { u_int64_t qfs_ino; /* inode number */ u_int64_t qfs_nblks; /* number of BBs 512-byte-blks */ u_int32_t qfs_nextents; /* number of extents */ } fs_qfilestat_t; typedef struct fs_quota_stat { u_int8_t qs_version; /* version number for future changes */ u_int16_t qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */ u_int8_t qs_pad; /* unused */ fs_qfilestat_t qs_uquota; /* user quota storage information */ fs_qfilestat_t qs_gquota; /* group quota storage information */ u_int32_t qs_incoredqs; /* number of dquots incore */ int32_t qs_btimelimit; /* limit for blks timer */ int32_t qs_itimelimit; /* limit for inodes timer */ int32_t qs_rtbtimelimit; /* limit for rt blks timer */ u_int16_t qs_bwarnlimit; /* limit for num warnings */ u_int16_t qs_iwarnlimit; /* limit for num warnings */ } fs_quota_stat_t; #endif /* _QUOTAIO_LINUX_XFS */ #endif /* _SAMBA_LINUX_XFS_H_ */