From 2212684adff79e2704a2792ff46682afb9246fc8 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 14 Feb 2019 15:00:48 -0800
Subject: locking/lockdep: Introduce lockdep_next_lockchain() and
 lock_chain_count()

This patch does not change any functionality but makes the next patch in
this series easier to read.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: johannes.berg@intel.com
Cc: tj@kernel.org
Link: https://lkml.kernel.org/r/20190214230058.196511-14-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 kernel/locking/lockdep_internals.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'kernel/locking/lockdep_internals.h')

diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h
index 2ebb9d0ea91c..d4c197425f68 100644
--- a/kernel/locking/lockdep_internals.h
+++ b/kernel/locking/lockdep_internals.h
@@ -100,7 +100,8 @@ struct lock_class *lock_chain_get_class(struct lock_chain *chain, int i);
 
 extern unsigned long nr_lock_classes;
 extern unsigned long nr_list_entries;
-extern unsigned long nr_lock_chains;
+long lockdep_next_lockchain(long i);
+unsigned long lock_chain_count(void);
 extern int nr_chain_hlocks;
 extern unsigned long nr_stack_trace_entries;
 
-- 
cgit