Re: [PATCH 10/13: eCryptfs] Mmap operations

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On Thu, 2006-05-04 at 22:43 +0100, David Howells wrote:
> > When writing CacheFiles, I noticed that ext3 would occasionally unlock a page
> > that had neither PG_uptodate nor PG_error set, and so I had to force another
> > readpage() on it.

On Fri, 2006-05-05 at 10:22 -0500, Dave Kleikamp wrote:
> I understand this comes from the FiST package.  In that code, there is a
> comment in one of these functions explaining the second read.  It would
> be nice to have that comment in here too:
> 
>    /*
>     * call readpage() again if we returned from wait_on_page with a
>     * page that's not up-to-date; that can happen when a partial
>     * page has a few buffers which are ok, but not the whole
>     * page.
>     */
> 
> I'm a bit surprised that this could happen.

Me too. How do we know we don't end up the same way for the second read?

			Pekka

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