1 files changed, 4 insertions, 1 deletions
diff --git a/table/format.h b/table/format.h
index 2a3e1ac..66a15da 100644
--- a/table/format.h
+++ b/table/format.h
@@ -86,10 +86,13 @@ static const size_t kBlockTrailerSize = 5;
 // Read the block identified by "handle" from "file".  On success,
 // store a pointer to the heap-allocated result in *block and return
 // OK.  On failure store NULL in *block and return non-OK.
+// On success, stores true in *may_cache if the result may be
+// cached, false if it must not be cached.
 extern Status ReadBlock(RandomAccessFile* file,
                         const ReadOptions& options,
                         const BlockHandle& handle,
-                        Block** block);
+                        Block** block,
+                        bool* may_cache);
 
 // Implementation details follow.  Clients should ignore,