diff options
Diffstat (limited to 'include/linux/quotaio_v2.h')
-rw-r--r-- | include/linux/quotaio_v2.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/include/linux/quotaio_v2.h b/include/linux/quotaio_v2.h deleted file mode 100644 index 303d7cbe30d4..000000000000 --- a/include/linux/quotaio_v2.h +++ /dev/null | |||
@@ -1,79 +0,0 @@ | |||
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 | 0, /* USRQUOTA */\ | ||
21 | 0 /* GRPQUOTA */\ | ||
22 | } | ||
23 | |||
24 | /* | ||
25 | * The following structure defines the format of the disk quota file | ||
26 | * (as it appears on disk) - the file is a radix tree whose leaves point | ||
27 | * to blocks of these structures. | ||
28 | */ | ||
29 | struct v2_disk_dqblk { | ||
30 | __le32 dqb_id; /* id this quota applies to */ | ||
31 | __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ | ||
32 | __le32 dqb_isoftlimit; /* preferred inode limit */ | ||
33 | __le32 dqb_curinodes; /* current # allocated inodes */ | ||
34 | __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ | ||
35 | __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ | ||
36 | __le64 dqb_curspace; /* current space occupied (in bytes) */ | ||
37 | __le64 dqb_btime; /* time limit for excessive disk use */ | ||
38 | __le64 dqb_itime; /* time limit for excessive inode use */ | ||
39 | }; | ||
40 | |||
41 | /* | ||
42 | * Here are header structures as written on disk and their in-memory copies | ||
43 | */ | ||
44 | /* First generic header */ | ||
45 | struct v2_disk_dqheader { | ||
46 | __le32 dqh_magic; /* Magic number identifying file */ | ||
47 | __le32 dqh_version; /* File version */ | ||
48 | }; | ||
49 | |||
50 | /* Header with type and version specific information */ | ||
51 | struct v2_disk_dqinfo { | ||
52 | __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ | ||
53 | __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ | ||
54 | __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ | ||
55 | __le32 dqi_blocks; /* Number of blocks in file */ | ||
56 | __le32 dqi_free_blk; /* Number of first free block in the list */ | ||
57 | __le32 dqi_free_entry; /* Number of block with at least one free entry */ | ||
58 | }; | ||
59 | |||
60 | /* | ||
61 | * Structure of header of block with quota structures. It is padded to 16 bytes so | ||
62 | * there will be space for exactly 21 quota-entries in a block | ||
63 | */ | ||
64 | struct v2_disk_dqdbheader { | ||
65 | __le32 dqdh_next_free; /* Number of next block with free entry */ | ||
66 | __le32 dqdh_prev_free; /* Number of previous block with free entry */ | ||
67 | __le16 dqdh_entries; /* Number of valid entries in block */ | ||
68 | __le16 dqdh_pad1; | ||
69 | __le32 dqdh_pad2; | ||
70 | }; | ||
71 | |||
72 | #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ | ||
73 | #define V2_DQBLKSIZE_BITS 10 | ||
74 | #define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */ | ||
75 | #define V2_DQTREEOFF 1 /* Offset of tree in file in blocks */ | ||
76 | #define V2_DQTREEDEPTH 4 /* Depth of quota tree */ | ||
77 | #define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */ | ||
78 | |||
79 | #endif /* _LINUX_QUOTAIO_V2_H */ | ||