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-rw-r--r--include/linux/jbd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 16e7ed855a1..d9ecd13393b 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -439,6 +439,8 @@ struct transaction_s
/*
* Transaction's current state
* [no locking - only kjournald alters this]
+ * [j_list_lock] guards transition of a transaction into T_FINISHED
+ * state and subsequent call of __journal_drop_transaction()
* FIXME: needs barriers
* KLUDGE: [use j_state_lock]
*/