Re: [PATCH] xen-blkback: Switch to closed state after releasing the backing device

From: Valentin Vidic
Date: Wed Aug 29 2018 - 05:23:36 EST

On Wed, Aug 29, 2018 at 10:43:48AM +0200, Juergen Gross wrote:
> I think this should be an action triggered by the frontend, not by dom0
> (xen tools will always set "online" to 0 when removing a device, AFAIK).
> I'm not sure this is relevant, but I realized this behavior is changed
> by your patch.

Can't find any place in xen-blkfront.c (or the rest of the kernel) where
the "online" value gets set, so it seems xen tools in dom0 is the only
thing that modifies this Xenbus node?