io-wq: remove unused io_wqe_need_worker() function

A previous commit removed the need for this, but overlooked that we no
longer use it at all. Get rid of it.

Fixes: 685fe7feedb9 ("io-wq: eliminate the need for a manager thread")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io-wq.c b/fs/io-wq.c
index 49def87..5361a9b 100644 (file)
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -661,19 +661,6 @@ fail:
        wake_up_new_task(tsk);
 }
 
-static inline bool io_wqe_need_worker(struct io_wqe *wqe, int index)
-       __must_hold(wqe->lock)
-{
-       struct io_wqe_acct *acct = &wqe->acct[index];
-
-       if (acct->nr_workers && test_bit(IO_WQ_BIT_EXIT, &wqe->wq->state))
-               return false;
-       /* if we have available workers or no work, no need */
-       if (!hlist_nulls_empty(&wqe->free_list) || !io_wqe_run_queue(wqe))
-               return false;
-       return acct->nr_workers < acct->max_workers;
-}
-
 /*
  * Iterate the passed in list and call the specific function for each
  * worker that isn't exiting