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Date: Sun, 18 Jun 2017 00:16:17 -0700
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: memory allocation deadlock
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To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Eric Sandeen <sandeen@sandeen.net>, Brian Matheson <bmath@paperspace.com>, linux-xfs@vger.kernel.org

On Fri, Jun 16, 2017 at 12:37:40PM -0700, Darrick J. Wong wrote:
> memory and make the problems occur less frequently, as you've also
> observed.  However, that leaves the underlying problem, which is that we
> need to break up the in-core cache into a tree(ish) structure of single
> pages.  Maybe that'll happen for 4.14 (Christoph?).

Working on it, but it will be a big and potentially contentious change,
so stay tuned.