diff --git a/[refs] b/[refs]
index 44bb2eba823c..e9183289bdbb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: abc0b50b6b9a9de8ae210f059598265a5438f2c4
+refs/heads/master: 6b81e14e645016597c81e71cd27ee5c57c3a3c36
diff --git a/trunk/fs/nilfs2/segment.c b/trunk/fs/nilfs2/segment.c
index 172ad4257494..d926af626177 100644
--- a/trunk/fs/nilfs2/segment.c
+++ b/trunk/fs/nilfs2/segment.c
@@ -2674,6 +2674,8 @@ static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci)
 }
 
 static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci)
+	__acquires(&sci->sc_state_lock)
+	__releases(&sci->sc_state_lock)
 {
 	sci->sc_state |= NILFS_SEGCTOR_QUIT;