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Date:   Tue, 12 Jun 2018 04:31:22 -0700
From:   Matthew Wilcox <willy@infradead.org>
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Subject: Re: [PATCH v13 00/72] Convert page cache to XArray
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On Tue, Jun 12, 2018 at 12:40:41PM +0200, David Sterba wrote:
> [ 9875.174796] kernel BUG at fs/inode.c:513!

What the ...

Somehow the fix for that got dropped.  I spent most of last week chasing
that problem!  This is the correct code:

http://git.infradead.org/users/willy/linux-dax.git/commitdiff/01177bb06761539af8a6c872416109e2c8b64559

I'll check over the patchset and see if anything else got dropped!