linux-kernel - [patch V3 10/17] timers: Rename del_timer() to timer

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Message-ID: <20221123201625.015535022@linutronix.de>
Date:   Wed, 23 Nov 2022 21:18:45 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Linus Torvalds <torvalds@...uxfoundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Anna-Maria Behnsen <anna-maria@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Julia Lawall <Julia.Lawall@...ia.fr>,
        Arnd Bergmann <arnd@...db.de>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Marc Zyngier <maz@...nel.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        linux-bluetooth@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        Jacob Keller <jacob.e.keller@...el.com>
Subject: [patch V3 10/17] timers: Rename del_timer() to timer_delete()

The timer related functions do not have a strict timer_ prefixed namespace
which is really annoying.

Rename del_timer() to timer_delete() and provide del_timer()
as a wrapper. Document that del_timer() is not for new code.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Tested-by: Guenter Roeck <linux@...ck-us.net>
---
 include/linux/timer.h |   15 ++++++++++++++-
 kernel/time/timer.c   |    6 +++---
 2 files changed, 17 insertions(+), 4 deletions(-)

--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -169,7 +169,6 @@ static inline int timer_pending(const st
 }
 
 extern void add_timer_on(struct timer_list *timer, int cpu);
-extern int del_timer(struct timer_list * timer);
 extern int mod_timer(struct timer_list *timer, unsigned long expires);
 extern int mod_timer_pending(struct timer_list *timer, unsigned long expires);
 extern int timer_reduce(struct timer_list *timer, unsigned long expires);
@@ -184,6 +183,7 @@ extern void add_timer(struct timer_list
 
 extern int try_to_del_timer_sync(struct timer_list *timer);
 extern int timer_delete_sync(struct timer_list *timer);
+extern int timer_delete(struct timer_list *timer);
 
 /**
  * del_timer_sync - Delete a pending timer and wait for a running callback
@@ -198,6 +198,19 @@ static inline int del_timer_sync(struct
 	return timer_delete_sync(timer);
 }
 
+/**
+ * del_timer - Delete a pending timer
+ * @timer:	The timer to be deleted
+ *
+ * See timer_delete() for detailed explanation.
+ *
+ * Do not use in new code. Use timer_delete() instead.
+ */
+static inline int del_timer(struct timer_list *timer)
+{
+	return timer_delete(timer);
+}
+
 extern void init_timers(void);
 struct hrtimer;
 extern enum hrtimer_restart it_real_fn(struct hrtimer *);
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1257,7 +1257,7 @@ void add_timer_on(struct timer_list *tim
 EXPORT_SYMBOL_GPL(add_timer_on);
 
 /**
- * del_timer - Deactivate a timer.
+ * timer_delete - Deactivate a timer.
  * @timer:	The timer to be deactivated
  *
  * The function only deactivates a pending timer, but contrary to
@@ -1270,7 +1270,7 @@ EXPORT_SYMBOL_GPL(add_timer_on);
  * * %0 - The timer was not pending
  * * %1 - The timer was pending and deactivated
  */
-int del_timer(struct timer_list *timer)
+int timer_delete(struct timer_list *timer)
 {
 	struct timer_base *base;
 	unsigned long flags;
@@ -1286,7 +1286,7 @@ int del_timer(struct timer_list *timer)
 
 	return ret;
 }
-EXPORT_SYMBOL(del_timer);
+EXPORT_SYMBOL(timer_delete);
 
 /**
  * try_to_del_timer_sync - Try to deactivate a timer