On Mon 21-09-20 10:07:24, Christoph Hellwig wrote:
> Inherit the optimal I/O size setting just like the readahead window,
> as any reason to do larger I/O does not apply to just readahead.
>
> Signed-off-by: Christoph Hellwig <h...@lst.de>
The patch looks good to me. You can add:
Reviewed-by: Jan Kara <j...@suse.cz>
Honza
> ---
> drivers/md/bcache/super.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
> index 1bbdc410ee3c51..48113005ed86ad 100644
> --- a/drivers/md/bcache/super.c
> +++ b/drivers/md/bcache/super.c
> @@ -1430,6 +1430,8 @@ static int cached_dev_init(struct cached_dev *dc,
> unsigned int block_size)
> dc->disk.disk->queue->backing_dev_info->ra_pages =
> max(dc->disk.disk->queue->backing_dev_info->ra_pages,
> q->backing_dev_info->ra_pages);
> + blk_queue_io_opt(dc->disk.disk->queue,
> + max(queue_io_opt(dc->disk.disk->queue), queue_io_opt(q)));
>
> atomic_set(&dc->io_errors, 0);
> dc->io_disable = false;
> --
> 2.28.0
>
--
Jan Kara <j...@suse.com>
SUSE Labs, CR
