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| 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 |
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