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 */
25struct 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 */
35struct 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
47struct 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 */
61struct 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 */

 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 */
28struct v2_disk_dqheader {
29	__le32 dqh_magic;	/* Magic number identifying file */
30	__le32 dqh_version;	/* 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 */
38struct 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
50struct 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 */
64struct 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 */