Re: [PATCH] s390: Hypervisor File System

[Kay Sievers <kay.sievers@vrfy.org>]

On Mon, May 01, 2006 at 10:37:03PM -0700, Greg KH wrote:
> On Tue, May 02, 2006 at 07:23:41AM +0200, Kay Sievers wrote:
> > If the count of values handled in a transaction is not to high and it
> > makes sense to group these values logically, why not just create an
> > attribute group for every transaction, which creates dummy attributes
> > to fill the values in, and use an "action" file in that group, that
> > commits all the values at once to whatever target? That should fit into
> > the ioctl use pattern, right?
> 
> That's what configfs can handle easier.  I think the issue is getting
> stuff from the kernel in one atomic snapshot (all the different file
> values from the same point in time.)

Sure, but just like an ioctl, the kernel could return the values after
writing to the "action" file in the dummy attributes. That would be
something like a snapshot, right?

Kay