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__
   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