X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=arch%2Fum%2Fdrivers%2Fcow.h;h=04e3958266e07192c69a1b5ebba418a9e6cd43ed;hb=55d8ca4f8094246da6e71889a4e04bfafaa78b10;hp=4fcf3a8d13f4a356ee8e8d8a4d341d0d37aeb3c8;hpb=da28c12089dfcfb8695b6b555cdb8e03dda2b690;p=linux-2.6-omap-h63xx.git diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h index 4fcf3a8d13f..04e3958266e 100644 --- a/arch/um/drivers/cow.h +++ b/arch/um/drivers/cow.h @@ -3,15 +3,40 @@ #include -#if defined(__BIG_ENDIAN) -# define ntohll(x) (x) -# define htonll(x) (x) -#elif defined(__LITTLE_ENDIAN) -# define ntohll(x) bswap_64(x) -# define htonll(x) bswap_64(x) +#if defined(__KERNEL__) + +# include + +# if defined(__BIG_ENDIAN) +# define ntohll(x) (x) +# define htonll(x) (x) +# elif defined(__LITTLE_ENDIAN) +# define ntohll(x) be64_to_cpu(x) +# define htonll(x) cpu_to_be64(x) +# else +# error "Could not determine byte order" +# endif + #else -#error "__BYTE_ORDER not defined" +/* For the definition of ntohl, htonl and __BYTE_ORDER */ +#include +#include +#if defined(__BYTE_ORDER) + +# if __BYTE_ORDER == __BIG_ENDIAN +# define ntohll(x) (x) +# define htonll(x) (x) +# elif __BYTE_ORDER == __LITTLE_ENDIAN +# define ntohll(x) bswap_64(x) +# define htonll(x) bswap_64(x) +# else +# error "Could not determine byte order: __BYTE_ORDER uncorrectly defined" +# endif + +#else /* ! defined(__BYTE_ORDER) */ +# error "Could not determine byte order: __BYTE_ORDER not defined" #endif +#endif /* ! defined(__KERNEL__) */ extern int init_cow_file(int fd, char *cow_file, char *backing_file, int sectorsize, int alignment, int *bitmap_offset_out, @@ -21,7 +46,7 @@ extern int file_reader(__u64 offset, char *buf, int len, void *arg); extern int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg, __u32 *version_out, char **backing_file_out, time_t *mtime_out, - unsigned long long *size_out, int *sectorsize_out, + __u64 *size_out, int *sectorsize_out, __u32 *align_out, int *bitmap_offset_out); extern int write_cow_header(char *cow_file, int fd, char *backing_file,