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kernel/linux-imx6_3.14.28/include/uapi/asm-generic/statfs.h 1.75 KB
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  #ifndef _UAPI_GENERIC_STATFS_H
  #define _UAPI_GENERIC_STATFS_H
  
  #include <linux/types.h>
  
  
  /*
   * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
   * Yes, they differ in signedness as well as size.
   * Special cases can override it for themselves -- except for S390x, which
   * is just a little too special for us. And MIPS, which I'm not touching
   * with a 10' pole.
   */
  #ifndef __statfs_word
  #if __BITS_PER_LONG == 64
  #define __statfs_word __kernel_long_t
  #else
  #define __statfs_word __u32
  #endif
  #endif
  
  struct statfs {
  	__statfs_word f_type;
  	__statfs_word f_bsize;
  	__statfs_word f_blocks;
  	__statfs_word f_bfree;
  	__statfs_word f_bavail;
  	__statfs_word f_files;
  	__statfs_word f_ffree;
  	__kernel_fsid_t f_fsid;
  	__statfs_word f_namelen;
  	__statfs_word f_frsize;
  	__statfs_word f_flags;
  	__statfs_word f_spare[4];
  };
  
  /*
   * ARM needs to avoid the 32-bit padding at the end, for consistency
   * between EABI and OABI 
   */
  #ifndef ARCH_PACK_STATFS64
  #define ARCH_PACK_STATFS64
  #endif
  
  struct statfs64 {
  	__statfs_word f_type;
  	__statfs_word f_bsize;
  	__u64 f_blocks;
  	__u64 f_bfree;
  	__u64 f_bavail;
  	__u64 f_files;
  	__u64 f_ffree;
  	__kernel_fsid_t f_fsid;
  	__statfs_word f_namelen;
  	__statfs_word f_frsize;
  	__statfs_word f_flags;
  	__statfs_word f_spare[4];
  } ARCH_PACK_STATFS64;
  
  /* 
   * IA64 and x86_64 need to avoid the 32-bit padding at the end,
   * to be compatible with the i386 ABI
   */
  #ifndef ARCH_PACK_COMPAT_STATFS64
  #define ARCH_PACK_COMPAT_STATFS64
  #endif
  
  struct compat_statfs64 {
  	__u32 f_type;
  	__u32 f_bsize;
  	__u64 f_blocks;
  	__u64 f_bfree;
  	__u64 f_bavail;
  	__u64 f_files;
  	__u64 f_ffree;
  	__kernel_fsid_t f_fsid;
  	__u32 f_namelen;
  	__u32 f_frsize;
  	__u32 f_flags;
  	__u32 f_spare[4];
  } ARCH_PACK_COMPAT_STATFS64;
  
  #endif /* _UAPI_GENERIC_STATFS_H */