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![Hou Tao](https://secure.gravatar.com/avatar/db21327e0c27306378e08bec4fe8ad5a.jpg?s=96&d=mm)
Hou Tao committed 9a91b05bba5
block: also check RQF_STATS in blk_mq_need_time_stamp() In __blk_mq_end_request() if block stats needs update, we should ensure now is valid instead of 0 even when iostat is disabled. Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>