On Tue, May 29, 2018 at 10:17:12AM +0200, Christoph Hellwig wrote:
> On Mon, May 28, 2018 at 08:53:42AM +0200, Johannes Thumshirn wrote:
> > Reviewed-by: Johannes Thumshirn <[email protected]>
> >
> > As a side note, what happens if more than 1024 Namespaces are changed
> > (apart from setting the 1st element to 0xffffffff and zeroing out the
> > rest)?
> >
> > The Spec is pretty silent in this regard.
>
> The spec is completly clear on this:
>
> From 5.14.1.4:
>
> "If more than 1024 namespaces have changed attributes since the last time the
> log page was read, the first entry in the log page shall be set to FFFFFFFFh
> and the remainder of the list shall be zero-filled."
>
> Once we don't know what changed we'll have to do a full rescan using
> Identify.
The "full rescan" part was what I couldn't read out of the spec.
Thanks,
Johannes
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