1 files changed, 2 insertions, 1 deletions

diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h
index 164a7e263988..22b6ad31c706 100644
--- a/include/uapi/linux/bcache.h
+++ b/include/uapi/linux/bcache.h
@@ -39,6 +39,7 @@ static inline void SET_##name(struct bkey *k, unsigned i, __u64 v)	\
 }
 
 #define KEY_SIZE_BITS           16
+#define KEY_MAX_U64S            8
 
 KEY_FIELD(KEY_PTRS,     high, 60, 3)
 KEY_FIELD(HEADER_SIZE,  high, 58, 2)
@@ -118,7 +119,7 @@ static inline struct bkey *bkey_next(const struct bkey *k)
         return (struct bkey *) (d + bkey_u64s(k));
 }
 
-static inline struct bkey *bkey_last(const struct bkey *k, unsigned nr_keys)
+static inline struct bkey *bkey_idx(const struct bkey *k, unsigned nr_keys)
 {
         __u64 *d = (void *) k;
         return (struct bkey *) (d + nr_keys);