Messages in this thread | | | Subject | Re: [RFC] New Driver Model for 2.5 | Date | Wed, 24 Oct 2001 14:25:12 +0100 (BST) | From | Alan Cox <> |
| |
> Now, I'm not sure what would happen with RAID. If we need to have logical > volumes be child of the sd "client", then we have to face the fact that > a given child may have multiple parents... welcome to the power graph ! > But do we really need logical volumes to be part of the PM tree or > can blocking of requests at the sd layer be enough ? Remember we are > in pass2, we have already done memory allocation, we are supposed to > no longer swap nor do any disk/storage related activity.
Assuming you want to synchronize the raid before suspend - a reasonably policy but not essential then you'd have to shut down the raid before sd, then sd would let the devices shut down which lets the controller shutdown - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |