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 majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
