1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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 */\ |
17 | 0xd9c01927, /* GRPQUOTA */\ |
18 | 0xd9c03f14, /* PRJQUOTA */\ |
19 | } |
20 | |
21 | #define V2_INITQVERSIONS {\ |
22 | 1, /* USRQUOTA */\ |
23 | 1, /* GRPQUOTA */\ |
24 | 1, /* PRJQUOTA */\ |
25 | } |
26 | |
27 | /* First generic header */ |
28 | struct { |
29 | __le32 ; /* Magic number identifying file */ |
30 | __le32 ; /* File version */ |
31 | }; |
32 | |
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 | */ |
38 | struct v2r0_disk_dqblk { |
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 | |
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 | |
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 | |
73 | #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ |
74 | #define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ |
75 | |
76 | #endif /* _LINUX_QUOTAIO_V2_H */ |
77 | |