Re: [PATCH v5 3/4] ata: Enabling ATA Command Priorities

From: Tejun Heo
Date: Thu Oct 13 2016 - 19:24:11 EST


On Thu, Oct 13, 2016 at 04:00:30PM -0700, Adam Manzanares wrote:
> This patch checks to see if an ATA device supports NCQ command priorities.
> If so and the user has specified an iocontext that indicates
> IO_PRIO_CLASS_RT then we build a tf with a high priority command.
> This is done to improve the tail latency of commands that are high
> priority by passing priority to the device.
> Signed-off-by: Adam Manzanares <adam.manzanares@xxxxxxx>

Looks good to me. Once the block changes are applied, I'll pull it
into libata tree and apply the ata part on top.