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Diffstat (limited to 'kernel/trace/ring_buffer.c')
-rw-r--r--kernel/trace/ring_buffer.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index fc347f8b1bca..75f1d05ea82d 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -829,7 +829,7 @@ rb_is_head_page(struct ring_buffer_per_cpu *cpu_buffer,
* writer is ever on it, the previous pointer never points
* back to the reader page.
*/
-static int rb_is_reader_page(struct buffer_page *page)
+static bool rb_is_reader_page(struct buffer_page *page)
{
struct list_head *list = page->list.prev;
@@ -2270,7 +2270,7 @@ rb_add_time_stamp(struct ring_buffer_event *event, u64 delta)
return skip_time_extend(event);
}
-static inline int rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
+static inline bool rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
struct ring_buffer_event *event);
/**
@@ -2498,7 +2498,7 @@ static inline void rb_event_discard(struct ring_buffer_event *event)
event->time_delta = 1;
}
-static inline int
+static inline bool
rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
struct ring_buffer_event *event)
{
@@ -3039,7 +3039,7 @@ int ring_buffer_write(struct ring_buffer *buffer,
}
EXPORT_SYMBOL_GPL(ring_buffer_write);
-static int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
+static bool rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
{
struct buffer_page *reader = cpu_buffer->reader_page;
struct buffer_page *head = rb_set_head_page(cpu_buffer);
@@ -3047,7 +3047,7 @@ static int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
/* In case of error, head will be NULL */
if (unlikely(!head))
- return 1;
+ return true;
return reader->read == rb_page_commit(reader) &&
(commit == reader ||
@@ -4267,7 +4267,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_reset);
* rind_buffer_empty - is the ring buffer empty?
* @buffer: The ring buffer to test
*/
-int ring_buffer_empty(struct ring_buffer *buffer)
+bool ring_buffer_empty(struct ring_buffer *buffer)
{
struct ring_buffer_per_cpu *cpu_buffer;
unsigned long flags;
@@ -4285,10 +4285,10 @@ int ring_buffer_empty(struct ring_buffer *buffer)
local_irq_restore(flags);
if (!ret)
- return 0;
+ return false;
}
- return 1;
+ return true;
}
EXPORT_SYMBOL_GPL(ring_buffer_empty);
@@ -4297,7 +4297,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_empty);
* @buffer: The ring buffer
* @cpu: The CPU buffer to test
*/
-int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu)
+bool ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu)
{
struct ring_buffer_per_cpu *cpu_buffer;
unsigned long flags;
@@ -4305,7 +4305,7 @@ int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu)
int ret;
if (!cpumask_test_cpu(cpu, buffer->cpumask))
- return 1;
+ return true;
cpu_buffer = buffer->buffers[cpu];
local_irq_save(flags);