linux-ext4 - Re: [PATCH 0/19 v3] dax, ext4, xfs: Synchronous page faults

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Date:   Wed, 11 Oct 2017 18:18:54 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Dave Chinner <david@...morbit.com>
Cc:     Jan Kara <jack@...e.cz>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        linux-xfs@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Ted Tso <tytso@....edu>,
        "Darrick J. Wong" <darrick.wong@...cle.com>
Subject: Re: [PATCH 0/19 v3] dax, ext4, xfs: Synchronous page faults

On Wed, Oct 11, 2017 at 3:43 PM, Dave Chinner <david@...morbit.com> wrote:
> On Wed, Oct 11, 2017 at 02:18:06PM -0700, Dan Williams wrote:
>> On Wed, Oct 11, 2017 at 1:05 PM, Jan Kara <jack@...e.cz> wrote:
>> > Anyway, here are the patches and AFAICT the series is pretty much complete
>> > so we can start thinking how to merge this. Changes to ext4 / XFS are pretty
>> > minimal so either tree is fine I guess. Comments are welcome.
>>
>> I'd like to propose taking this through the nvdimm tree. Some of these
>> changes make the MAP_DIRECT support for ext4 easier, so I'd like to
>> rebase that support on top and carry both.
>
> This functionality needs to be exercised and stressed by fstests
> in some way before it gets merged.

Yes, and man page updates for mmap(2).