linux-ext4 - Re: return an ERR_PTR from __filemap_get

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Date:   Thu, 30 Mar 2023 01:56:15 +0200
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Christoph Hellwig <hch@....de>,
        Matthew Wilcox <willy@...radead.org>,
        Hugh Dickins <hughd@...gle.com>, linux-afs@...ts.infradead.org,
        linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
        cluster-devel@...hat.com, linux-mm@...ck.org,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-nilfs@...r.kernel.org
Subject: Re: return an ERR_PTR from __filemap_get_folio v2

On Tue, Mar 28, 2023 at 04:04:33PM -0700, Andrew Morton wrote:
> > Note that the shmem patches in here are non-trivial and need some
> > careful review and testing.
> 
> How are we going with the review and testing.  I assume that
> we're now OK on the runtime testing front, but do you feel that
> review has been adequate?

Yes, I think we're fine, mostly due to Hugh.  I'm a little sad about
the simplification / descoping from him, but at least we get the main
objective done.  Maybe at some point we can do another pass at
cleaning up the shmem page finding/reading mess.