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authorThomas Gleixner <tglx@linutronix.de>2017-12-22 15:51:15 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-12-29 23:13:10 +0100
commit9f4533cd7334235cd4c9b9fb1b0b8791e2ba01a7 (patch)
treee9fc7fc15eec19b69a23459f4420d12b1b1842fa /lib/timerqueue.c
parenttimers: Invoke timer_start_debug() where it makes sense (diff)
downloadlinux-9f4533cd7334235cd4c9b9fb1b0b8791e2ba01a7.tar.xz
linux-9f4533cd7334235cd4c9b9fb1b0b8791e2ba01a7.zip
timerqueue: Document return values of timerqueue_add/del()
The return values of timerqueue_add/del() are not documented in the kernel doc comment. Add proper documentation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: rt@linutronix.de Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Anna-Maria Gleixner <anna-maria@linutronix.de> Link: https://lkml.kernel.org/r/20171222145337.872681338@linutronix.de
Diffstat (limited to 'lib/timerqueue.c')
-rw-r--r--lib/timerqueue.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/timerqueue.c b/lib/timerqueue.c
index 4a720ed4fdaf..0d54bcbc8170 100644
--- a/lib/timerqueue.c
+++ b/lib/timerqueue.c
@@ -33,8 +33,9 @@
* @head: head of timerqueue
* @node: timer node to be added
*
- * Adds the timer node to the timerqueue, sorted by the
- * node's expires value.
+ * Adds the timer node to the timerqueue, sorted by the node's expires
+ * value. Returns true if the newly added timer is the first expiring timer in
+ * the queue.
*/
bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
{
@@ -70,7 +71,8 @@ EXPORT_SYMBOL_GPL(timerqueue_add);
* @head: head of timerqueue
* @node: timer node to be removed
*
- * Removes the timer node from the timerqueue.
+ * Removes the timer node from the timerqueue. Returns true if the queue is
+ * not empty after the remove.
*/
bool timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node)
{