Date:   Mon, 23 Jan 2023 20:18:13 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Andrew Morton <akpm@linux-foundation.org>
Cc:     Christoph Hellwig <hch@lst.de>,
        Matthew Wilcox <willy@infradead.org>,
        Hugh Dickins <hughd@google.com>, linux-afs@lists.infradead.org,
        linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org,
        cluster-devel@redhat.com, linux-mm@kvack.org,
        linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-nilfs@vger.kernel.org
Subject: Re: return an ERR_PTR from __filemap_get_folio v2
Message-ID: <20230123191813.GA16510@lst.de>
References: <20230121065755.1140136-1-hch@lst.de> <20230121170641.121f4224a0e8304765bb4738@linux-foundation.org> <20230122072006.GA3654@lst.de> <20230123105945.958075d46b0a05ffd545e276@linux-foundation.org>
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On Mon, Jan 23, 2023 at 10:59:45AM -0800, Andrew Morton wrote:
> On Sun, 22 Jan 2023 08:20:06 +0100 Christoph Hellwig <hch@lst.de> wrote:
> 
> > On Sat, Jan 21, 2023 at 05:06:41PM -0800, Andrew Morton wrote:
> > > This patchset doesn't apply to fs/btrfs/ because linux-next contains
> > > this 6+ month-old commit:
> > 
> > Hmm.  It was literally written against linux-next as of last morning,
> > which does not have that commit.
> 
> Confused.  According to 
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/fs/btrfs/disk-io.c#n4023
> 
> it's there today.  wait_dev_supers() has been foliofied.

Yes, it's there now.  But I'm pretty sure it wasn't there when
I did the last rebase.  Weird.