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由 Pavel Begunkov 提交于
First, io_close() misses filp_close() and io_cqring_add_event(), when f_op->flush is defined. That's because in this case it will io_queue_async_work() itself not grabbing files, so the corresponding chunk in io_close_finish() won't be executed. Second, when submitted through io_wq_submit_work(), it will do filp_close() and *_add_event() twice: first inline in io_close(), and the second one in call to io_close_finish() from io_close(). The second one will also fire, because it was submitted async through generic path, and so have grabbed files. And the last nice thing is to remove this weird pilgrimage with checking work/old_work and casting it to nxt. Just use a helper instead. Signed-off-by: NPavel Begunkov <asml.silence@gmail.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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