On Tue, Dec 04, 2007 at 04:56:26PM +0000, Christoph Hellwig ([EMAIL PROTECTED])
wrote:
> > > * fixed bug with XFS metadata update (it can provide slab pages to the
> > > DST, so it is not allowed to transfer them using ->sendpage())
>
> xfs hasn't been doing that anymore for quite a while. Block drivers
> don't need hacks for it anymore, epsecially as it's not reliably
> detectable.
I use 2.6.22 and it is there, maybe it was changed later.
Right now it can be detected quite trivially, but can result in a little
more bio startup overhead, I just did not know that it was allowed and
thus did not have a check in the DST.
--
Evgeniy Polyakov
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