linux-kernel - [PATCH v2] Updated locking documentation for journal

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Message-Id: <20210319104722.75467-1-alexander.lochmann@tu-dortmund.de>
Date:   Fri, 19 Mar 2021 11:47:20 +0100
From:   Alexander Lochmann <alexander.lochmann@...dortmund.de>
To:     jack@...e.cz
Cc:     Alexander Lochmann <alexander.lochmann@...dortmund.de>,
        Horst Schirmeier <horst.schirmeier@...dortmund.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] Updated locking documentation for journal_head

LockDoc's results show that t_list_lock has been
replaced by j_list_lock for b_next_transaction,
b_tnext, and b_tprev.
We, therefore, updated the documentation
accordingly.

Signed-off-by: Alexander Lochmann <alexander.lochmann@...dortmund.de>
Signed-off-by: Horst Schirmeier <horst.schirmeier@...dortmund.de>
Reviewed-by: Jan Kara <jack@...e.cz>
---
 include/linux/journal-head.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index 75bc56109031..d68ae72784eb 100644
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -80,13 +80,13 @@ struct journal_head {
 	 * Pointer to the running compound transaction which is currently
 	 * modifying the buffer's metadata, if there was already a transaction
 	 * committing it when the new transaction touched it.
-	 * [t_list_lock] [b_state_lock]
+	 * [j_list_lock] [b_state_lock]
 	 */
 	transaction_t *b_next_transaction;
 
 	/*
 	 * Doubly-linked list of buffers on a transaction's data, metadata or
-	 * forget queue. [t_list_lock] [b_state_lock]
+	 * forget queue. [j_list_lock] [b_state_lock]
 	 */
 	struct journal_head *b_tnext, *b_tprev;
 
-- 
2.20.1