Re: [PATCH] block/mq-deadline: Fix unused-function compilation warning

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ping.

On 9/1/21 2:47 PM, Tianjia Zhang wrote:
If CONFIG_BLK_DEBUG_FS is not defined, the following compilation warning
will be reported:

   block/mq-deadline.c:274:12: warning: ‘dd_queued’ defined but not used [-Wunused-function]
    static u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)

Move the function dd_queued() to the scope of this config and mark it
inline.

Signed-off-by: Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx>
---
  block/mq-deadline.c | 12 ++++++------
  1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 3c3693c34f06..084314ee878d 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -270,12 +270,6 @@ deadline_move_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
  	deadline_remove_request(rq->q, per_prio, rq);
  }
-/* Number of requests queued for a given priority level. */
-static u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)
-{
-	return dd_sum(dd, inserted, prio) - dd_sum(dd, completed, prio);
-}
-
  /*
   * deadline_check_fifo returns 0 if there are no expired requests on the fifo,
   * 1 otherwise. Requires !list_empty(&dd->fifo_list[data_dir])
@@ -953,6 +947,12 @@ static int dd_async_depth_show(void *data, struct seq_file *m)
  	return 0;
  }
+/* Number of requests queued for a given priority level. */
+static inline u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)
+{
+	return dd_sum(dd, inserted, prio) - dd_sum(dd, completed, prio);
+}
+
  static int dd_queued_show(void *data, struct seq_file *m)
  {
  	struct request_queue *q = data;




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