Root/include/asm-generic/statfs.h

1#ifndef _GENERIC_STATFS_H
2#define _GENERIC_STATFS_H
3
4#include <linux/types.h>
5
6#ifdef __KERNEL__
7typedef __kernel_fsid_t fsid_t;
8#endif
9
10/*
11 * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
12 * Yes, they differ in signedness as well as size.
13 * Special cases can override it for themselves -- except for S390x, which
14 * is just a little too special for us. And MIPS, which I'm not touching
15 * with a 10' pole.
16 */
17#ifndef __statfs_word
18#if BITS_PER_LONG == 64
19#define __statfs_word long
20#else
21#define __statfs_word __u32
22#endif
23#endif
24
25struct statfs {
26    __statfs_word f_type;
27    __statfs_word f_bsize;
28    __statfs_word f_blocks;
29    __statfs_word f_bfree;
30    __statfs_word f_bavail;
31    __statfs_word f_files;
32    __statfs_word f_ffree;
33    __kernel_fsid_t f_fsid;
34    __statfs_word f_namelen;
35    __statfs_word f_frsize;
36    __statfs_word f_flags;
37    __statfs_word f_spare[4];
38};
39
40/*
41 * ARM needs to avoid the 32-bit padding at the end, for consistency
42 * between EABI and OABI
43 */
44#ifndef ARCH_PACK_STATFS64
45#define ARCH_PACK_STATFS64
46#endif
47
48struct statfs64 {
49    __statfs_word f_type;
50    __statfs_word f_bsize;
51    __u64 f_blocks;
52    __u64 f_bfree;
53    __u64 f_bavail;
54    __u64 f_files;
55    __u64 f_ffree;
56    __kernel_fsid_t f_fsid;
57    __statfs_word f_namelen;
58    __statfs_word f_frsize;
59    __statfs_word f_flags;
60    __statfs_word f_spare[4];
61} ARCH_PACK_STATFS64;
62
63/*
64 * IA64 and x86_64 need to avoid the 32-bit padding at the end,
65 * to be compatible with the i386 ABI
66 */
67#ifndef ARCH_PACK_COMPAT_STATFS64
68#define ARCH_PACK_COMPAT_STATFS64
69#endif
70
71struct compat_statfs64 {
72    __u32 f_type;
73    __u32 f_bsize;
74    __u64 f_blocks;
75    __u64 f_bfree;
76    __u64 f_bavail;
77    __u64 f_files;
78    __u64 f_ffree;
79    __kernel_fsid_t f_fsid;
80    __u32 f_namelen;
81    __u32 f_frsize;
82    __u32 f_flags;
83    __u32 f_spare[4];
84} ARCH_PACK_COMPAT_STATFS64;
85
86#endif
87

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