This is a fix of #17751. Specifically: 1. Sort #include headers again 2. Remove tabs, as per coding style 3. Don't install fds in half-initialized objects 4. Use asynchronous_close() everywhere That all said: Quit frankly, I am not convinced we should do all this at all. If close()ing of these input devices is really that slow, then this should probably be fixed in the kernel, not worked around in userspace like this.
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