Commit 490c00eb authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: simplify io_has_work 



->work_llist should never be non-empty for a non DEFER_TASKRUN ring, so
we can safely skip checking the flag.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/26af9f73c09a56c9a035f94db56127358688f3aa.1672916894.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 846072f1

io_uring/io_uring.c

+1 −2
Original line number Diff line number Diff line
@@ -2419,8 +2419,7 @@ struct io_wait_queue { 
static inline bool io_has_work(struct io_ring_ctx *ctx)

{

	return test_bit(IO_CHECK_CQ_OVERFLOW_BIT, &ctx->check_cq) ||

	       ((ctx->flags & IORING_SETUP_DEFER_TASKRUN) &&

		!llist_empty(&ctx->work_llist));

	       !llist_empty(&ctx->work_llist);

}



static inline bool io_should_wake(struct io_wait_queue *iowq)