-#define cfs_get_fd(x) NULL
-#define cfs_put_file(f) do {} while (0)
-
-#ifdef __linux__
-/* Userpace byte flipping */
-# include <endian.h>
-# include <byteswap.h>
-# define __swab16(x) bswap_16(x)
-# define __swab32(x) bswap_32(x)
-# define __swab64(x) bswap_64(x)
-# define __swab16s(x) do {*(x) = bswap_16(*(x));} while (0)
-# define __swab32s(x) do {*(x) = bswap_32(*(x));} while (0)
-# define __swab64s(x) do {*(x) = bswap_64(*(x));} while (0)
-# if __BYTE_ORDER == __LITTLE_ENDIAN
-# define le16_to_cpu(x) (x)
-# define cpu_to_le16(x) (x)
-# define le32_to_cpu(x) (x)
-# define cpu_to_le32(x) (x)
-# define le64_to_cpu(x) (x)
-# define cpu_to_le64(x) (x)
-
-# define be16_to_cpu(x) bswap_16(x)
-# define cpu_to_be16(x) bswap_16(x)
-# define be32_to_cpu(x) bswap_32(x)
-# define cpu_to_be32(x) bswap_32(x)
-# define be64_to_cpu(x) (__u64)bswap_64(x)
-# define cpu_to_be64(x) (__u64)bswap_64(x)
-# else
-# if __BYTE_ORDER == __BIG_ENDIAN
-# define le16_to_cpu(x) bswap_16(x)
-# define cpu_to_le16(x) bswap_16(x)
-# define le32_to_cpu(x) bswap_32(x)
-# define cpu_to_le32(x) bswap_32(x)
-# define le64_to_cpu(x) (__u64)bswap_64(x)
-# define cpu_to_le64(x) (__u64)bswap_64(x)
-
-# define be16_to_cpu(x) (x)
-# define cpu_to_be16(x) (x)
-# define be32_to_cpu(x) (x)
-# define cpu_to_be32(x) (x)
-# define be64_to_cpu(x) (x)
-# define cpu_to_be64(x) (x)
-
-# else
-# error "Unknown byte order"
-# endif /* __BIG_ENDIAN */
-# endif /* __LITTLE_ENDIAN */
-#elif __APPLE__
-#define __cpu_to_le64(x) OSSwapHostToLittleInt64(x)
-#define __cpu_to_le32(x) OSSwapHostToLittleInt32(x)
-#define __cpu_to_le16(x) OSSwapHostToLittleInt16(x)
-
-#define __le16_to_cpu(x) OSSwapLittleToHostInt16(x)
-#define __le32_to_cpu(x) OSSwapLittleToHostInt32(x)
-#define __le64_to_cpu(x) OSSwapLittleToHostInt64(x)
-
-#define cpu_to_le64(x) __cpu_to_le64(x)
-#define cpu_to_le32(x) __cpu_to_le32(x)
-#define cpu_to_le16(x) __cpu_to_le16(x)
-
-#define le64_to_cpu(x) __le64_to_cpu(x)
-#define le32_to_cpu(x) __le32_to_cpu(x)
-#define le16_to_cpu(x) __le16_to_cpu(x)
-
-#define __swab16(x) OSSwapInt16(x)
-#define __swab32(x) OSSwapInt32(x)
-#define __swab64(x) OSSwapInt64(x)
-#define __swab16s(x) do { *(x) = __swab16(*(x)); } while (0)
-#define __swab32s(x) do { *(x) = __swab32(*(x)); } while (0)
-#define __swab64s(x) do { *(x) = __swab64(*(x)); } while (0)
-#endif
-
-
-# ifndef THREAD_SIZE /* x86_64 linux has THREAD_SIZE in userspace */
-# define CFS_THREAD_SIZE 8192
-# else
-# define CFS_THREAD_SIZE THREAD_SIZE
-# endif
-
-#define LUSTRE_TRACE_SIZE (CFS_THREAD_SIZE >> 5)