1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _GENERIC_STATFS_H
3#define _GENERIC_STATFS_H
4
5#include <linux/types.h>
6
7
8/*
9 * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
10 * Yes, they differ in signedness as well as size.
11 * Special cases can override it for themselves -- except for S390x, which
12 * is just a little too special for us. And MIPS, which I'm not touching
13 * with a 10' pole.
14 */
15#ifndef __statfs_word
16#if __BITS_PER_LONG == 64
17#define __statfs_word __kernel_long_t
18#else
19#define __statfs_word __u32
20#endif
21#endif
22
23struct statfs {
24 __statfs_word f_type;
25 __statfs_word f_bsize;
26 __statfs_word f_blocks;
27 __statfs_word f_bfree;
28 __statfs_word f_bavail;
29 __statfs_word f_files;
30 __statfs_word f_ffree;
31 __kernel_fsid_t f_fsid;
32 __statfs_word f_namelen;
33 __statfs_word f_frsize;
34 __statfs_word f_flags;
35 __statfs_word f_spare[4];
36};
37
38/*
39 * ARM needs to avoid the 32-bit padding at the end, for consistency
40 * between EABI and OABI
41 */
42#ifndef ARCH_PACK_STATFS64
43#define ARCH_PACK_STATFS64
44#endif
45
46struct statfs64 {
47 __statfs_word f_type;
48 __statfs_word f_bsize;
49 __u64 f_blocks;
50 __u64 f_bfree;
51 __u64 f_bavail;
52 __u64 f_files;
53 __u64 f_ffree;
54 __kernel_fsid_t f_fsid;
55 __statfs_word f_namelen;
56 __statfs_word f_frsize;
57 __statfs_word f_flags;
58 __statfs_word f_spare[4];
59} ARCH_PACK_STATFS64;
60
61/*
62 * IA64 and x86_64 need to avoid the 32-bit padding at the end,
63 * to be compatible with the i386 ABI
64 */
65#ifndef ARCH_PACK_COMPAT_STATFS64
66#define ARCH_PACK_COMPAT_STATFS64
67#endif
68
69struct compat_statfs64 {
70 __u32 f_type;
71 __u32 f_bsize;
72 __u64 f_blocks;
73 __u64 f_bfree;
74 __u64 f_bavail;
75 __u64 f_files;
76 __u64 f_ffree;
77 __kernel_fsid_t f_fsid;
78 __u32 f_namelen;
79 __u32 f_frsize;
80 __u32 f_flags;
81 __u32 f_spare[4];
82} ARCH_PACK_COMPAT_STATFS64;
83
84#endif /* _GENERIC_STATFS_H */
85

source code of include/asm-generic/statfs.h