11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Definitions of structures for vfsv0 quota format 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef _LINUX_QUOTAIO_V2_H 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _LINUX_QUOTAIO_V2_H 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/types.h> 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/quota.h> 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Definitions of magics and versions of current quota files 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define V2_INITQMAGICS {\ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0xd9c01f11, /* USRQUOTA */\ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0xd9c01927 /* GRPQUOTA */\ 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define V2_INITQVERSIONS {\ 20498c60153ebb8889d8944591383c5c12af1127d4Jan Kara 1, /* USRQUOTA */\ 21498c60153ebb8889d8944591383c5c12af1127d4Jan Kara 1 /* GRPQUOTA */\ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 241ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Kara/* First generic header */ 251ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Karastruct v2_disk_dqheader { 261ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Kara __le32 dqh_magic; /* Magic number identifying file */ 271ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Kara __le32 dqh_version; /* File version */ 281ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Kara}; 291ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Kara 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The following structure defines the format of the disk quota file 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (as it appears on disk) - the file is a radix tree whose leaves point 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to blocks of these structures. 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 35498c60153ebb8889d8944591383c5c12af1127d4Jan Karastruct v2r0_disk_dqblk { 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqb_id; /* id this quota applies to */ 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqb_isoftlimit; /* preferred inode limit */ 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqb_curinodes; /* current # allocated inodes */ 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le64 dqb_curspace; /* current space occupied (in bytes) */ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le64 dqb_btime; /* time limit for excessive disk use */ 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le64 dqb_itime; /* time limit for excessive inode use */ 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 47498c60153ebb8889d8944591383c5c12af1127d4Jan Karastruct v2r1_disk_dqblk { 48498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le32 dqb_id; /* id this quota applies to */ 49498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le32 dqb_pad; 50498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_ihardlimit; /* absolute limit on allocated inodes */ 51498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_isoftlimit; /* preferred inode limit */ 52498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_curinodes; /* current # allocated inodes */ 53498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ 54498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ 55498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_curspace; /* current space occupied (in bytes) */ 56498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_btime; /* time limit for excessive disk use */ 57498c60153ebb8889d8944591383c5c12af1127d4Jan Kara __le64 dqb_itime; /* time limit for excessive inode use */ 58498c60153ebb8889d8944591383c5c12af1127d4Jan Kara}; 59498c60153ebb8889d8944591383c5c12af1127d4Jan Kara 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Header with type and version specific information */ 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct v2_disk_dqinfo { 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqi_blocks; /* Number of blocks in file */ 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqi_free_blk; /* Number of first free block in the list */ 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __le32 dqi_free_entry; /* Number of block with at least one free entry */ 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ 711ccd14b9c271c1ac6eec5c5ec5def433100e7248Jan Kara#define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* _LINUX_QUOTAIO_V2_H */ 74