Re: [rfc patch 3/4] splice: remove confirm frompipe_buf_operations

[Miklos Szeredi]

> > > 
> > > Let's start with page_cache_pipe_buf_confirm().  How should we deal
> > > with finding an invalidated page (!PageUptodate(page) &&
> > > !page->mapping)?
> > 
> > I suspect we just have to use it. After all, it was valid when the read 
> > was done. The fact that it got invalidated later is kind of immaterial.
> 
> Right.  But what if it's invalidated *before* becoming uptodate (if
> you'd read my mail further, I discussed this).

Please ignore, this can't happen of course due to page locking...

Miklos
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