include/asm-generic/statfs.h

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