Use intel hardware crc32c where available

Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/crc32c.h b/crc32c.h
index 72f15120..27f298a8 100644
--- a/crc32c.h
+++ b/crc32c.h
@@ -22,6 +22,7 @@
 #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