#include "kerncompat.h"
u32 crc32c_le(u32 seed, unsigned char const *data, size_t length);
+int crc32c_optimization_init(void);
#define crc32c(seed, data, length) crc32c_le(seed, (unsigned char const *)data, length)
+#define btrfs_crc32c crc32c
#endif