block: Add T10 Protection Information functions

[linux-2.6-block.git] / include / linux / crc-t10dif.h

diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index b3cb71f0d3b0d19b8c08e70348dee1bb5e5ba6ad..cf53d0773ce3a24623354fd16dee2b3b17597a9b 100644 (file)
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -6,7 +6,8 @@
 #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);
+extern __u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer,
+                               size_t len);
+extern __u16 crc_t10dif(unsigned char const *, size_t);
 
 #endif