On Wed, Oct 10, 2018 at 10:52:37AM +0900, Damien Le Moal wrote: > Expose through sysfs the nr_zones field of a zoned block device request > queue. This represents the total number of zones of the device > calculated using the known disk capacity and zone size. > > Exposing this value helps in debugging disk issues as well as > facilitating scripts based use of the disk (e.g. blktests). Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>