1 /* 2 * Definitions of structures for vfsv0 quota format 3 */ 4 5 #ifndef _LINUX_QUOTAIO_V2_H 6 #define _LINUX_QUOTAIO_V2_H 7 8 #include <linux/types.h> 9 #include <linux/quota.h> 10 11 /* 12 * Definitions of magics and versions of current quota files 13 */ 14 #define V2_INITQMAGICS {\ 15 0xd9c01f11, /* USRQUOTA */\ 16 0xd9c01927 /* GRPQUOTA */\ 17 } 18 19 #define V2_INITQVERSIONS {\ 20 1, /* USRQUOTA */\ 21 1 /* GRPQUOTA */\ 22 } 23 24 /* First generic header */ 25 struct v2_disk_dqheader { 26 __le32 dqh_magic; /* Magic number identifying file */ 27 __le32 dqh_version; /* File version */ 28 }; 29 30 /* 31 * The following structure defines the format of the disk quota file 32 * (as it appears on disk) - the file is a radix tree whose leaves point 33 * to blocks of these structures. 34 */ 35 struct v2r0_disk_dqblk { 36 __le32 dqb_id; /* id this quota applies to */ 37 __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ 38 __le32 dqb_isoftlimit; /* preferred inode limit */ 39 __le32 dqb_curinodes; /* current # allocated inodes */ 40 __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ 41 __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ 42 __le64 dqb_curspace; /* current space occupied (in bytes) */ 43 __le64 dqb_btime; /* time limit for excessive disk use */ 44 __le64 dqb_itime; /* time limit for excessive inode use */ 45 }; 46 47 struct v2r1_disk_dqblk { 48 __le32 dqb_id; /* id this quota applies to */ 49 __le32 dqb_pad; 50 __le64 dqb_ihardlimit; /* absolute limit on allocated inodes */ 51 __le64 dqb_isoftlimit; /* preferred inode limit */ 52 __le64 dqb_curinodes; /* current # allocated inodes */ 53 __le64 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ 54 __le64 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ 55 __le64 dqb_curspace; /* current space occupied (in bytes) */ 56 __le64 dqb_btime; /* time limit for excessive disk use */ 57 __le64 dqb_itime; /* time limit for excessive inode use */ 58 }; 59 60 /* Header with type and version specific information */ 61 struct v2_disk_dqinfo { 62 __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ 63 __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ 64 __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ 65 __le32 dqi_blocks; /* Number of blocks in file */ 66 __le32 dqi_free_blk; /* Number of first free block in the list */ 67 __le32 dqi_free_entry; /* Number of block with at least one free entry */ 68 }; 69 70 #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ 71 #define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ 72 73 #endif /* _LINUX_QUOTAIO_V2_H */ 74