On Wed, Nov 11, 2020 at 02:16:47PM +0900, Damien Le Moal wrote: > Add the module option and configfs attribute max_sectors to allow > configuring the maximum size of a command issued to a null_blk device. > This allows exercising the block layer BIO splitting with different > limits than the default BLK_SAFE_MAX_SECTORS. This is also useful for > testing the zone append write path of file systems as the max_hw_sectors > limit value is also used for the max_zone_append_sectors limit. > > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>