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Date:   Tue, 3 Jul 2018 09:41:37 -0600
From:   Ross Zwisler <>
To:     "Theodore Y. Ts'o" <>
Cc:     Ross Zwisler <>,
        Jan Kara <>,
        Dan Williams <>,
        Dave Chinner <>,
        "Darrick J. Wong" <>,
        Christoph Hellwig <>,,
        Jeff Moyer <>,
Subject: Re: [PATCH v2 1/2] dax: dax_layout_busy_page() warn on !exceptional

On Mon, Jul 02, 2018 at 06:15:03PM -0400, Theodore Y. Ts'o wrote:
> On Wed, Jun 27, 2018 at 03:22:51PM -0600, Ross Zwisler wrote:
> > Inodes using DAX should only ever have exceptional entries in their page
> > caches.  Make this clear by warning if the iteration in
> > dax_layout_busy_page() ever sees a non-exceptional entry, and by adding a
> > comment for the pagevec_release() call which only deals with struct page
> > pointers.
> > 
> > Signed-off-by: Ross Zwisler <>
> > Reviewed-by: Jan Kara <>
> Thanks, applied (to the ext4 tree).  If someone thinks they should go
> in via some other tree, holler.
> 					- Ted

Hey Ted,

It looks like you only picked up patch 1/2?  (I'm looking at the 'dev' branch
in your repo.)  Was that intentional?

You can find the final version of the 2nd patch here:

- Ross

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