On 09/15/2017 12:06 PM, Damien Le Moal wrote: > Zoned block devices have no write constraints for conventional zones. > So write locking of conventional zones is not necessary and can even > hurt performance by unnecessarily operating the disk under low queue > depth. To avoid this, use the disk request queue seq_zones bitmap to > allow any write to be issued to conventional zones, locking only > sequential zones. > > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> > --- > drivers/scsi/sd_zbc.c | 20 ++++++++++++-------- > 1 file changed, 12 insertions(+), 8 deletions(-) > Reviwed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
