On 9/2/20 5:32 AM, Xiaoguang Wang wrote: > While registering new files by IORING_REGISTER_FILES, there're not > valid fixed_file_ref_node at the moment, so it's unnecessary to hold > fixed_file_data's lock when registering files. Even if that were the case (I haven't looked too closely at it yet), it would a) need a big comment explaining why, and b) some justification on why this would be a change we'd want to make. On b, are you seeing any tangible differences with this? -- Jens Axboe