linux-kernel - [PATCH 3.16 29/99] tools/lib/lockdep: Rename "trywlock" into "trywrlock"

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Date:   Tue, 02 Apr 2019 14:38:27 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Sasha Levin" <sashal@...nel.org>,
        "Waiman Long" <longman@...hat.com>, tj@...nel.org,
        "Sasha Levin" <sasha.levin@...cle.com>,
        "Johannes Berg" <johannes@...solutions.net>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        "Bart Van Assche" <bvanassche@....org>,
        "Linus Torvalds" <torvalds@...ux-foundation.org>,
        "Thomas Gleixner" <tglx@...utronix.de>, johannes.berg@...el.com,
        "Ingo Molnar" <mingo@...nel.org>
Subject: [PATCH 3.16 29/99] tools/lib/lockdep: Rename "trywlock" into
 "trywrlock"

3.16.65-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Bart Van Assche <bvanassche@....org>

commit 7f3c7952d111ac93573fb86f4d5aeff527a07fcc upstream.

This patch avoids that the following compiler warning is reported while
compiling the lockdep unit tests:

include/liblockdep/rwlock.h: In function 'liblockdep_pthread_rwlock_trywlock':
include/liblockdep/rwlock.h:66:9: warning: implicit declaration of function 'pthread_rwlock_trywlock'; did you mean 'pthread_rwlock_trywrlock'? [-Wimplicit-function-declaration]
  return pthread_rwlock_trywlock(&lock->rwlock) == 0 ? 1 : 0;
         ^~~~~~~~~~~~~~~~~~~~~~~
         pthread_rwlock_trywrlock

Signed-off-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Johannes Berg <johannes@...solutions.net>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Sasha Levin <sasha.levin@...cle.com>
Cc: Sasha Levin <sashal@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Waiman Long <longman@...hat.com>
Cc: johannes.berg@...el.com
Cc: tj@...nel.org
Fixes: 5a52c9b480e0 ("liblockdep: Add public headers for pthread_rwlock_t implementation")
Link: https://lkml.kernel.org/r/20181207011148.251812-6-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 tools/lib/lockdep/include/liblockdep/rwlock.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/tools/lib/lockdep/include/liblockdep/rwlock.h
+++ b/tools/lib/lockdep/include/liblockdep/rwlock.h
@@ -59,10 +59,10 @@ static inline int liblockdep_pthread_rwl
 	return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0;
 }
 
-static inline int liblockdep_pthread_rwlock_trywlock(liblockdep_pthread_rwlock_t *lock)
+static inline int liblockdep_pthread_rwlock_trywrlock(liblockdep_pthread_rwlock_t *lock)
 {
 	lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_);
-	return pthread_rwlock_trywlock(&lock->rwlock) == 0 ? 1 : 0;
+	return pthread_rwlock_trywrlock(&lock->rwlock) == 0 ? 1 : 0;
 }
 
 static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock)
@@ -78,7 +78,7 @@ static inline int liblockdep_rwlock_dest
 #define pthread_rwlock_unlock		liblockdep_pthread_rwlock_unlock
 #define pthread_rwlock_wrlock		liblockdep_pthread_rwlock_wrlock
 #define pthread_rwlock_tryrdlock	liblockdep_pthread_rwlock_tryrdlock
-#define pthread_rwlock_trywlock		liblockdep_pthread_rwlock_trywlock
+#define pthread_rwlock_trywrlock	liblockdep_pthread_rwlock_trywrlock
 #define pthread_rwlock_destroy		liblockdep_rwlock_destroy
 
 #endif