Messages in this thread | | | Date | Wed, 13 Jun 2007 16:48:03 -0400 | From | Jeff Garzik <> | Subject | Re: [patch 2a/3] Expose Power Management Policy option to users |
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James Bottomley wrote: > To take the model I understand: SAS; the links are managed at the phy > level, so the power policy should be set there and thus should probably > be a property of the phy object, which doesn't even exist in the SCSI > model, it only exists in the transport class. It strikes me that even > for ATA, the same thing is probably true. > > Now, I can see that the power management models of all the transports > might share some similarities (particularly at this three stage granular > level); if so, it might make sense to export helpers from the mid-layer > for the transport classes to use for this.
Agreed, in principle.
Jeff
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