xref: /linux/include/asm-generic/statfs.h (revision d524dac9279b6a41ffdf7ff7958c577f2e387db6)
1 #ifndef _GENERIC_STATFS_H
2 #define _GENERIC_STATFS_H
3 
4 #include <linux/types.h>
5 
6 #ifdef __KERNEL__
7 typedef __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 
25 struct 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 
48 struct 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 
71 struct 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