On 8/1/19 11:26 AM, Chaitanya Kulkarni wrote: > Hi, > > In current implementation Zoned block device issues one bio at a time > based on the range of the offset and zones specified from userspace > tools like blkzone. Worst case scenario it will issue N requests which > are equal to the number of the zones when the application wants to > reset the drive, e.g. mkfs. > > Zone Block devices allow issuing zone reset all operation [1] > which can essentially reset all the available zones with only one > command. > > This patch series introduces new REQ_OP_ZONE_RESET_ALL operation. Along > with that, we also introduce QUEUE_FLAG_ZONE_RESETALL (and respective > helpers) which is needed to be set by the low-level driver in order to > enable the REQ_OP_ZONE_RESET_ALL. Series looks fine to me. Martin, I'd like someone to vet/review the SCSI side of it before I apply it. -- Jens Axboe