Re: [PATCH 5/7] block: Introduce zoned block device elevator feature

2019-08-23 Thread Johannes Thumshirn
On 23/08/2019 02:15, Damien Le Moal wrote: > Introduce the elevator feature ELEVATOR_F_ZONED_BLOCK_DEV to indicate > that an elevator supports zoned block device write ordering control. > > Mark the mq-deadline as supporting this feature which is implemented > using zone write locking. SCSI zoned

[PATCH 5/7] block: Introduce zoned block device elevator feature

2019-08-22 Thread Damien Le Moal
Introduce the elevator feature ELEVATOR_F_ZONED_BLOCK_DEV to indicate that an elevator supports zoned block device write ordering control. Mark the mq-deadline as supporting this feature which is implemented using zone write locking. SCSI zoned block device scan and null_blk device creation with z