[PATCH] block: Remove unused aio_task_pool_empty

[dave]

From: "Dr. David Alan Gilbert" <dave@treblig.org>

aio_task_pool_empty has been unused since it was added in
  6e9b225f73 ("block: introduce aio task pool")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
---
 block/aio_task.c         | 5 -----
 include/block/aio_task.h | 2 --
 2 files changed, 7 deletions(-)

diff --git a/block/aio_task.c b/block/aio_task.c
index 9bd17ea2c1..bb5c05f455 100644
--- a/block/aio_task.c
+++ b/block/aio_task.c
@@ -119,8 +119,3 @@ int aio_task_pool_status(AioTaskPool *pool)
 
     return pool->status;
 }
-
-bool aio_task_pool_empty(AioTaskPool *pool)
-{
-    return pool->busy_tasks == 0;
-}
diff --git a/include/block/aio_task.h b/include/block/aio_task.h
index 18a9c41f4e..c81d637617 100644
--- a/include/block/aio_task.h
+++ b/include/block/aio_task.h
@@ -40,8 +40,6 @@ void aio_task_pool_free(AioTaskPool *);
 /* error code of failed task or 0 if all is OK */
 int aio_task_pool_status(AioTaskPool *pool);
 
-bool aio_task_pool_empty(AioTaskPool *pool);
-
 /* User provides filled @task, however task->pool will be set automatically */
 void coroutine_fn aio_task_pool_start_task(AioTaskPool *pool, AioTask *task);
 
-- 
2.46.0