#define XQM_CMD(x) (('X'<<8)+(x)) /* note: forms first QCMD argument */ #define XQM_COMMAND(x) (((x) & (0xff<<8)) == ('X'<<8)) /* test if for XFS */
#define XQM_USRQUOTA 0/* system call user quota type */ #define XQM_GRPQUOTA 1/* system call group quota type */ #define XQM_PRJQUOTA 2/* system call project quota type */ #define XQM_MAXQUOTAS 3
#define Q_XQUOTAON XQM_CMD(1) /* enable accounting/enforcement */ #define Q_XQUOTAOFF XQM_CMD(2) /* disable accounting/enforcement */ #define Q_XGETQUOTA XQM_CMD(3) /* get disk limits and usage */ #define Q_XSETQLIM XQM_CMD(4) /* set disk limits */ #define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */ #define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */ #define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */ #define Q_XGETQSTATV XQM_CMD(8) /* newer version of get quota */ #define Q_XGETNEXTQUOTA XQM_CMD(9) /* get disk limits and usage >= ID */
/* *fs_disk_quotastructure: * *Thiscontainsthecurrentquotainformationregardingauser/proj/group. *Itis64-bitaligned,andalltheblkunitsareinBBs(BasicBlocks)of *512bytes.
*/ #define FS_DQUOT_VERSION 1/* fs_disk_quota.d_version */ typedefstruct fs_disk_quota {
__s8 d_version; /* version of this structure */
__s8 d_flags; /* FS_{USER,PROJ,GROUP}_QUOTA */
__u16 d_fieldmask; /* field specifier */
__u32 d_id; /* user, project, or group ID */
__u64 d_blk_hardlimit;/* absolute limit on disk blks */
__u64 d_blk_softlimit;/* preferred limit on disk blks */
__u64 d_ino_hardlimit;/* maximum # allocated inodes */
__u64 d_ino_softlimit;/* preferred inode limit */
__u64 d_bcount; /* # disk blocks owned by the user */
__u64 d_icount; /* # inodes owned by the user */
__s32 d_itimer; /* Zero if within inode limits. If *not,werefuseserviceatthistime
* (in seconds since Unix epoch) */
__s32 d_btimer; /* similar to above; for disk blocks */
__u16 d_iwarns; /* # warnings issued wrt num inodes */
__u16 d_bwarns; /* # warnings issued wrt disk blocks */
__s8 d_itimer_hi; /* upper 8 bits of timer values */
__s8 d_btimer_hi;
__s8 d_rtbtimer_hi;
__s8 d_padding2; /* padding2 - for future use */
__u64 d_rtb_hardlimit;/* absolute limit on realtime blks */
__u64 d_rtb_softlimit;/* preferred limit on RT disk blks */
__u64 d_rtbcount; /* # realtime blocks owned */
__s32 d_rtbtimer; /* similar to above; for RT disk blks */
__u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */
__s16 d_padding3; /* padding3 - for future use */ char d_padding4[8]; /* yet more padding */
} fs_disk_quota_t;
#define FS_USER_QUOTA (1<<0) /* user quota type */ #define FS_PROJ_QUOTA (1<<1) /* project quota type */ #define FS_GROUP_QUOTA (1<<2) /* group quota type */
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