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-rw-r--r--include/uapi/linux/bcache.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h
index ae66311be82f..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)