Damien, > To solve this, introduce the zone_write_granularity queue limit to > indicate the alignment constraint, in bytes, of write operations into > zones of a zoned block device. This new limit is exported as a > read-only sysfs queue attribute and the helper > blk_queue_zone_write_granularity() introduced for drivers to set this > limit. The scsi disk driver is modified to use this helper to set > host-managed SMR disk zone write granularity to the disk physical > block size. The ZNS support code of the NVMe driver is also modified > to use this helper to set the new limit to the logical block size of > the namespace. The nullblk driver is similarly modified too. Looks fine. Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> -- Martin K. Petersen Oracle Linux Engineering
