1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index d5f7cff4cb28..d861ffd49821 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -442,6 +442,8 @@ struct transaction_s
         /*
          * Transaction's current state
          * [no locking - only kjournald2 alters this]
+         * [j_list_lock] guards transition of a transaction into T_FINISHED
+         * state and subsequent call of __jbd2_journal_drop_transaction()
          * FIXME: needs barriers
          * KLUDGE: [use j_state_lock]
          */