On Fri, Jul 07, 2023 at 05:37:22PM +0800, chengming.zhou@xxxxxxxxx wrote: > From: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> > > Since we don't need to maintain inflight flush_data requests list > anymore, we can reuse rq->queuelist for flush pending list. > > Note in mq_flush_data_end_io(), we need to re-initialize rq->queuelist > before reusing it in the state machine when end, since the rq->rq_next > also reuse it, may have corrupted rq->queuelist by the driver. > > This patch decrease the size of struct request by 16 bytes. > > Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > --- > v3: > - fix a bug report of blktests nvme/012, we need to re-initialize > rq->queuelist before reusing it in the state machine when end. > Because rq->rq_next reuse may have corrupted it. Thanks Ming Lei. Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> Thanks, Ming
