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-rw-r--r--include/crypto/scatterwalk.h2
-rw-r--r--include/linux/crc-t10dif.h4
2 files changed, 6 insertions, 0 deletions
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 3744d2a642df..13621cc8cf4c 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -113,4 +113,6 @@ void scatterwalk_done(struct scatter_walk *walk, int out, int more);
void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
unsigned int start, unsigned int nbytes, int out);
+int scatterwalk_bytes_sglen(struct scatterlist *sg, int num_bytes);
+
#endif /* _CRYPTO_SCATTERWALK_H */
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index a9c96d865ee7..b3cb71f0d3b0 100644
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -3,6 +3,10 @@
#include <linux/types.h>
+#define CRC_T10DIF_DIGEST_SIZE 2
+#define CRC_T10DIF_BLOCK_SIZE 1
+
+__u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len);
__u16 crc_t10dif(unsigned char const *, size_t);
#endif