tree f37adcaa5dcdfedaddbcce94c92c824bc64354e7
parent 1f8d5bbe98a10da5348b0fab2fa679ef8d033be5
author Pavel Begunkov <asml.silence@gmail.com> 1662652616 +0100
committer Jens Axboe <axboe@kernel.dk> 1663787701 -0600

io_uring: add fast path for io_run_local_work()

We'll grab uring_lock and call __io_run_local_work() with several
atomics inside even if there are no task works. Skip it if ->work_llist
is empty.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/f6a885f372bad2d77d9cd87341b0a86a4000c0ff.1662652536.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>