On 2020/05/14 13:47, Bart Van Assche wrote: > On 2020-05-13 18:54, Damien Le Moal wrote: >> @@ -1848,7 +1847,8 @@ static void nvme_update_disk_info(struct gendisk *disk, >> */ >> blk_queue_physical_block_size(disk->queue, min(phys_bs, atomic_bs)); >> blk_queue_io_min(disk->queue, phys_bs); >> - blk_queue_io_opt(disk->queue, io_opt); >> + if (io_opt) >> + blk_queue_io_opt(disk->queue, io_opt); > > The above change looks confusing to me. We want the NVMe driver to set > io_opt, so why only call blk_queue_io_opt() if io_opt != 0? That means > that the io_opt value will be left to any value set by the block layer > core if io_opt == 0 instead of properly being set to zero. OK. I will remove the "if". > > Thanks, > > Bart. > -- Damien Le Moal Western Digital Research