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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: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/26af9f73c09a56c9a035f94db56127358688f3aa.1672916894.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2023-01-05 11:22:26 +00:00 committed by Jens Axboe
parent 846072f16e
commit 490c00eb4f
1 changed files with 1 additions and 2 deletions
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3
io_uring/io_uring.c
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@ -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)