io_uring: batch task work locking
Many task_work handlers either grab ->uring_lock, or may benefit from having it. Move locking logic out of individual handlers to a lazy approach controlled by tctx_task_work(), so we don't keep doing tons of mutex lock/unlock. Signed-off-by:Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/d6a34e147f2507a2f3e2fa1e38a9c541dcad3929.1629286357.git.asml.silence@gmail.com Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
5636c00d
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