kernel/trace/ring_buffer.c:895: warning: expecting prototype for ring_buffer_nr_pages_dirty(). Prototype was for ring_buffer_nr_dirty_pages() instead.
kernel/trace/ring_buffer.c:5313: warning: expecting prototype for ring_buffer_reset_cpu(). Prototype was for ring_buffer_reset_online_cpus() instead.
kernel/trace/ring_buffer.c:5382: warning: expecting prototype for rind_buffer_empty(). Prototype was for ring_buffer_empty() instead.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2340
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
Changes in v2:
  -Get rid of the parenthesis.

 kernel/trace/ring_buffer.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index c3f354cfc5ba..199759c73519 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -885,7 +885,7 @@ size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu)
 }
 
 /**
- * ring_buffer_nr_pages_dirty - get the number of used pages in the ring buffer
+ * ring_buffer_nr_dirty_pages - get the number of used pages in the ring buffer
  * @buffer: The ring_buffer to get the number of pages from
  * @cpu: The cpu of the ring_buffer to get the number of pages from
  *
@@ -5305,7 +5305,7 @@ void ring_buffer_reset_cpu(struct trace_buffer *buffer, int cpu)
 EXPORT_SYMBOL_GPL(ring_buffer_reset_cpu);
 
 /**
- * ring_buffer_reset_cpu - reset a ring buffer per CPU buffer
+ * ring_buffer_reset_online_cpus - reset a ring buffer per CPU buffer
  * @buffer: The ring buffer to reset a per cpu buffer of
  * @cpu: The CPU buffer to be reset
  */
@@ -5375,7 +5375,7 @@ void ring_buffer_reset(struct trace_buffer *buffer)
 EXPORT_SYMBOL_GPL(ring_buffer_reset);
 
 /**
- * rind_buffer_empty - is the ring buffer empty?
+ * ring_buffer_empty - is the ring buffer empty?
  * @buffer: The ring buffer to test
  */
 bool ring_buffer_empty(struct trace_buffer *buffer)
-- 
2.20.1.7.g153144c

On Sun, Oct 09, 2022 at 10:06:42AM +0800, Jiapeng Chong wrote:
> kernel/trace/ring_buffer.c:895: warning: expecting prototype for ring_buffer_nr_pages_dirty(). Prototype was for ring_buffer_nr_dirty_pages() instead.
> kernel/trace/ring_buffer.c:5313: warning: expecting prototype for ring_buffer_reset_cpu(). Prototype was for ring_buffer_reset_online_cpus() instead.
> kernel/trace/ring_buffer.c:5382: warning: expecting prototype for rind_buffer_empty(). Prototype was for ring_buffer_empty() instead.
> 

Describe what this patch does to fix these warnings. Remember to write
in imperative mood. (Actually I figured out what you are doing, see
below).

> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2340
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
> Changes in v2:
>   -Get rid of the parenthesis.
> 
>  kernel/trace/ring_buffer.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
> index c3f354cfc5ba..199759c73519 100644
> --- a/kernel/trace/ring_buffer.c
> +++ b/kernel/trace/ring_buffer.c
> @@ -885,7 +885,7 @@ size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu)
>  }
>  
>  /**
> - * ring_buffer_nr_pages_dirty - get the number of used pages in the ring buffer
> + * ring_buffer_nr_dirty_pages - get the number of used pages in the ring buffer
>   * @buffer: The ring_buffer to get the number of pages from
>   * @cpu: The cpu of the ring_buffer to get the number of pages from
>   *
> @@ -5305,7 +5305,7 @@ void ring_buffer_reset_cpu(struct trace_buffer *buffer, int cpu)
>  EXPORT_SYMBOL_GPL(ring_buffer_reset_cpu);
>  
>  /**
> - * ring_buffer_reset_cpu - reset a ring buffer per CPU buffer
> + * ring_buffer_reset_online_cpus - reset a ring buffer per CPU buffer
>   * @buffer: The ring buffer to reset a per cpu buffer of
>   * @cpu: The CPU buffer to be reset
>   */
> @@ -5375,7 +5375,7 @@ void ring_buffer_reset(struct trace_buffer *buffer)
>  EXPORT_SYMBOL_GPL(ring_buffer_reset);
>  
>  /**
> - * rind_buffer_empty - is the ring buffer empty?
> + * ring_buffer_empty - is the ring buffer empty?
>   * @buffer: The ring buffer to test
>   */
>  bool ring_buffer_empty(struct trace_buffer *buffer)

Oh, these warnings above are due to mismatched function name, right?

Thanks.

-- 
An old man doll... just what I always wanted! - Clara