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io-wq: remove unused io_wqe_need_worker() function

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

Fixes: 685fe7feed ("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>
This commit is contained in:
Jens Axboe 2021-04-20 11:24:22 -06:00
parent 734551df6f
commit eb37267229
1 changed files with 0 additions and 13 deletions
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13
fs/io-wq.c
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@ -661,19 +661,6 @@ static void create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index)
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