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io_uring: don't set TASK_RUNNING in local tw runner 

The CQ waiting loop sets TASK_RUNNING before trying to execute
task_work, no need to repeat it in io_run_local_work().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9d9422c429ef3f9457b4f4b8288bf4789564f33b.1673274244.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2023-01-09 14:46:05 +00:00 committed by Jens Axboe
parent bd550173ac
commit 2f413956cc
1 changed files with 2 additions and 3 deletions
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5
io_uring/io_uring.c
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@ -1339,11 +1339,9 @@ again:
int io_run_local_work(struct io_ring_ctx *ctx)
{
bool locked;
bool locked = mutex_trylock(&ctx->uring_lock);
int ret;
__set_current_state(TASK_RUNNING);
locked = mutex_trylock(&ctx->uring_lock);
ret = __io_run_local_work(ctx, &locked);
if (locked)
mutex_unlock(&ctx->uring_lock);
@ -2453,6 +2451,7 @@ static int io_wake_function(struct wait_queue_entry *curr, unsigned int mode,
int io_run_task_work_sig(struct io_ring_ctx *ctx)
{
if (!llist_empty(&ctx->work_llist)) {
__set_current_state(TASK_RUNNING);
if (io_run_local_work(ctx) > 0)
return 1;
}