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 0xd9c03f14, /* PRJQUOTA */\ 18 } 19 20 #define V2_INITQVERSIONS {\ 21 1, /* USRQUOTA */\ 22 1, /* GRPQUOTA */\ 23 1, /* PRJQUOTA */\ 24 } 25 26 /* First generic header */ 27 struct v2_disk_dqheader { 28 __le32 dqh_magic; /* Magic number identifying file */ 29 __le32 dqh_version; /* File version */ 30 }; 31 32 /* 33 * The following structure defines the format of the disk quota file 34 * (as it appears on disk) - the file is a radix tree whose leaves point 35 * to blocks of these structures. 36 */ 37 struct v2r0_disk_dqblk { 38 __le32 dqb_id; /* id this quota applies to */ 39 __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ 40 __le32 dqb_isoftlimit; /* preferred inode limit */ 41 __le32 dqb_curinodes; /* current # allocated inodes */ 42 __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ 43 __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ 44 __le64 dqb_curspace; /* current space occupied (in bytes) */ 45 __le64 dqb_btime; /* time limit for excessive disk use */ 46 __le64 dqb_itime; /* time limit for excessive inode use */ 47 }; 48 49 struct v2r1_disk_dqblk { 50 __le32 dqb_id; /* id this quota applies to */ 51 __le32 dqb_pad; 52 __le64 dqb_ihardlimit; /* absolute limit on allocated inodes */ 53 __le64 dqb_isoftlimit; /* preferred inode limit */ 54 __le64 dqb_curinodes; /* current # allocated inodes */ 55 __le64 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ 56 __le64 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ 57 __le64 dqb_curspace; /* current space occupied (in bytes) */ 58 __le64 dqb_btime; /* time limit for excessive disk use */ 59 __le64 dqb_itime; /* time limit for excessive inode use */ 60 }; 61 62 /* Header with type and version specific information */ 63 struct v2_disk_dqinfo { 64 __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ 65 __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ 66 __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ 67 __le32 dqi_blocks; /* Number of blocks in file */ 68 __le32 dqi_free_blk; /* Number of first free block in the list */ 69 __le32 dqi_free_entry; /* Number of block with at least one free entry */ 70 }; 71 72 #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ 73 #define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ 74 75 #endif /* _LINUX_QUOTAIO_V2_H */ 76