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SubjectRe: [patch 1/2] fs: mnt_want_write speedup
On Thu, Apr 02, 2009 at 11:37:20AM -0700, Dave Hansen wrote:
> > > Page faults themselves? Which path was that from?
> >
> > Yes. file_update_time.
>
> We should be able to use your mnt_clone_write() optimization separate
> from the mnt_want_write() speedup here, right?

Does file_update_time even need a separate mnt_want_write? It should
always be after a mnt_want_write which we need for the actual data
write.



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