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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * Definitions of structures for vfsv0 quota format | |
4 | */ | |
5 | ||
6 | #ifndef _LINUX_QUOTAIO_V2_H | |
7 | #define _LINUX_QUOTAIO_V2_H | |
8 | ||
9 | #include <linux/types.h> | |
10 | #include <linux/quota.h> | |
11 | ||
12 | /* | |
13 | * Definitions of magics and versions of current quota files | |
14 | */ | |
15 | #define V2_INITQMAGICS {\ | |
16 | 0xd9c01f11, /* USRQUOTA */\ | |
847aac64 LX |
17 | 0xd9c01927, /* GRPQUOTA */\ |
18 | 0xd9c03f14, /* PRJQUOTA */\ | |
1da177e4 LT |
19 | } |
20 | ||
21 | #define V2_INITQVERSIONS {\ | |
498c6015 | 22 | 1, /* USRQUOTA */\ |
847aac64 LX |
23 | 1, /* GRPQUOTA */\ |
24 | 1, /* PRJQUOTA */\ | |
1da177e4 LT |
25 | } |
26 | ||
1ccd14b9 JK |
27 | /* First generic header */ |
28 | struct v2_disk_dqheader { | |
29 | __le32 dqh_magic; /* Magic number identifying file */ | |
30 | __le32 dqh_version; /* File version */ | |
31 | }; | |
32 | ||
1da177e4 LT |
33 | /* |
34 | * The following structure defines the format of the disk quota file | |
35 | * (as it appears on disk) - the file is a radix tree whose leaves point | |
36 | * to blocks of these structures. | |
37 | */ | |
498c6015 | 38 | struct v2r0_disk_dqblk { |
1da177e4 LT |
39 | __le32 dqb_id; /* id this quota applies to */ |
40 | __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ | |
41 | __le32 dqb_isoftlimit; /* preferred inode limit */ | |
42 | __le32 dqb_curinodes; /* current # allocated inodes */ | |
43 | __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ | |
44 | __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ | |
45 | __le64 dqb_curspace; /* current space occupied (in bytes) */ | |
46 | __le64 dqb_btime; /* time limit for excessive disk use */ | |
47 | __le64 dqb_itime; /* time limit for excessive inode use */ | |
48 | }; | |
49 | ||
498c6015 JK |
50 | struct v2r1_disk_dqblk { |
51 | __le32 dqb_id; /* id this quota applies to */ | |
52 | __le32 dqb_pad; | |
53 | __le64 dqb_ihardlimit; /* absolute limit on allocated inodes */ | |
54 | __le64 dqb_isoftlimit; /* preferred inode limit */ | |
55 | __le64 dqb_curinodes; /* current # allocated inodes */ | |
56 | __le64 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ | |
57 | __le64 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ | |
58 | __le64 dqb_curspace; /* current space occupied (in bytes) */ | |
59 | __le64 dqb_btime; /* time limit for excessive disk use */ | |
60 | __le64 dqb_itime; /* time limit for excessive inode use */ | |
61 | }; | |
62 | ||
1da177e4 LT |
63 | /* Header with type and version specific information */ |
64 | struct v2_disk_dqinfo { | |
65 | __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ | |
66 | __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ | |
67 | __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ | |
68 | __le32 dqi_blocks; /* Number of blocks in file */ | |
69 | __le32 dqi_free_blk; /* Number of first free block in the list */ | |
70 | __le32 dqi_free_entry; /* Number of block with at least one free entry */ | |
71 | }; | |
72 | ||
1da177e4 | 73 | #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ |
1ccd14b9 | 74 | #define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ |
1da177e4 LT |
75 | |
76 | #endif /* _LINUX_QUOTAIO_V2_H */ |