diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 00cc5b8734be817ac3fe4d2982afff61b1cf7f36..58d4ef1b4c05ec3dd27997a89b367177080706f4 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -32,6 +32,7 @@ STATIC void
 xfs_ail_check(
 	struct xfs_ail		*ailp,
 	struct xfs_log_item	*lip)
+	__must_hold(&ailp->ail_lock)
 {
 	struct xfs_log_item	*prev_lip;
 	struct xfs_log_item	*next_lip;