1 files changed, 3 insertions, 1 deletions
diff --git a/src/leveldb/db/version_set.h b/src/leveldb/db/version_set.h
index 61c4c99a08..792899b7f8 100644
--- a/src/leveldb/db/version_set.h
+++ b/src/leveldb/db/version_set.h
@@ -21,6 +21,7 @@
 #include "db/dbformat.h"
 #include "db/version_edit.h"
 #include "port/port.h"
+#include "port/thread_annotations.h"
 
 namespace leveldb {
 
@@ -159,7 +160,8 @@ class VersionSet {
   // current version.  Will release *mu while actually writing to the file.
   // REQUIRES: *mu is held on entry.
   // REQUIRES: no other thread concurrently calls LogAndApply()
-  Status LogAndApply(VersionEdit* edit, port::Mutex* mu);
+  Status LogAndApply(VersionEdit* edit, port::Mutex* mu)
+      EXCLUSIVE_LOCKS_REQUIRED(mu);
 
   // Recover the last saved descriptor from persistent storage.
   Status Recover();