1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_QUOTAIO_V1_H
3#define _LINUX_QUOTAIO_V1_H
4
5#include <linux/types.h>
6
7/*
8 * The following constants define the amount of time given a user
9 * before the soft limits are treated as hard limits (usually resulting
10 * in an allocation failure). The timer is started when the user crosses
11 * their soft limit, it is reset when they go below their soft limit.
12 */
13#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
14#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
15
16/*
17 * The following structure defines the format of the disk quota file
18 * (as it appears on disk) - the file is an array of these structures
19 * indexed by user or group number.
20 */
21struct v1_disk_dqblk {
22 __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */
23 __u32 dqb_bsoftlimit; /* preferred limit on disk blks */
24 __u32 dqb_curblocks; /* current block count */
25 __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */
26 __u32 dqb_isoftlimit; /* preferred inode limit */
27 __u32 dqb_curinodes; /* current # allocated inodes */
28
29 /* below fields differ in length on 32-bit vs 64-bit architectures */
30 unsigned long dqb_btime; /* time limit for excessive disk use */
31 unsigned long dqb_itime; /* time limit for excessive inode use */
32};
33
34#define v1_dqoff(UID) ((loff_t)((UID) * sizeof (struct v1_disk_dqblk)))
35
36#endif /* _LINUX_QUOTAIO_V1_H */
37

source code of linux/fs/quota/quotaio_v1.h