On Mon, 12 Nov 2012, Tejun Heo wrote: > On Fri, Nov 09, 2012 at 02:51:59PM +0800, Aaron Lu wrote: > > A new interface to block disk events is added, this interface is > > meant to eliminate a race between PM runtime callback and disk events > > checking. > > > > Suppose the following device tree: > > device_sata_port (the parent) > > device_ODD (the child) > > Weren't you gonna do something different about this? I mean, if sr > knows that autopm kicked in, it can simply tell the block layer that > nothing is going on. Wouldn't that be simpler?
It wouldn't work for non-ZP drives. They do need to be polled, even when suspended. Alan Stern -- 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
