| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 01/54] io_uring: simplify io_task_match() | Date | Thu, 11 Feb 2021 16:01:45 +0100 |
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From: Pavel Begunkov <asml.silence@gmail.com>
[ Upstream commit 06de5f5973c641c7ae033f133ecfaaf64fe633a6 ]
If IORING_SETUP_SQPOLL is set all requests belong to the corresponding SQPOLL task, so skip task checking in that case and always match.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/io_uring.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
--- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1472,11 +1472,7 @@ static bool io_task_match(struct io_kioc if (!tsk || req->task == tsk) return true; - if (ctx->flags & IORING_SETUP_SQPOLL) { - if (ctx->sq_data && req->task == ctx->sq_data->thread) - return true; - } - return false; + return (ctx->flags & IORING_SETUP_SQPOLL); } /*
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