On Thu, 2012-09-13 at 15:40 +0800, Aaron Lu wrote:
> The ready_to_power_off flag is used to give indication to ATA layer
> if this device's power can be removed when runtime suspended.
> 
> This flag is determined by individual SCSI driver like sr, sd.
> 
> This flag is introduced to support zero power ODD. When ODD
> is runtime suspended, it may not be OK to remove its power.
> 
> But for disk, it is always OK to be powered off, so set this flag.

It is? I may have missed this, but where do you flush the cache of write
back cache devices you're about to power off?

James


--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to