linux-kernel - [PATCH 18/27] locking/lockdep: Reorder struct lock

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Message-Id: <20181128234325.110011-19-bvanassche@acm.org>
Date:   Wed, 28 Nov 2018 15:43:16 -0800
From:   Bart Van Assche <bvanassche@....org>
To:     mingo@...hat.com
Cc:     peterz@...radead.org, tj@...nel.org, johannes.berg@...el.com,
        linux-kernel@...r.kernel.org, Bart Van Assche <bvanassche@....org>
Subject: [PATCH 18/27] locking/lockdep: Reorder struct lock_class members

This patch does not change any functionality but makes the patch that
frees lock classes that are no longer in use easier to read.

Signed-off-by: Bart Van Assche <bvanassche@....org>
---
 include/linux/lockdep.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 6d0f8d1c2bee..9421f028c26c 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -76,6 +76,13 @@ struct lock_class {
 	 */
 	struct list_head		lock_entry;
 
+	/*
+	 * These fields represent a directed graph of lock dependencies,
+	 * to every node we attach a list of "forward" and a list of
+	 * "backward" graph nodes.
+	 */
+	struct list_head		locks_after, locks_before;
+
 	struct lockdep_subclass_key	*key;
 	unsigned int			subclass;
 	unsigned int			dep_gen_id;
@@ -86,13 +93,6 @@ struct lock_class {
 	unsigned long			usage_mask;
 	struct stack_trace		usage_traces[XXX_LOCK_USAGE_STATES];
 
-	/*
-	 * These fields represent a directed graph of lock dependencies,
-	 * to every node we attach a list of "forward" and a list of
-	 * "backward" graph nodes.
-	 */
-	struct list_head		locks_after, locks_before;
-
 	/*
 	 * Generation counter, when doing certain classes of graph walking,
 	 * to ensure that we check one node only once:
-- 
2.20.0.rc0.387.gc7a69e6b6c-goog