On 2020/11/11 17:22, Johannes Thumshirn wrote: > On 11/11/2020 06:17, 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. > > Oh this sounds super useful for zonefs-tests and xfstests And btrfs-zoned. That's why I added it :) > Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> -- Damien Le Moal Western Digital Research