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Message-ID: <20180525192327.GR12940@magnolia>
Date:   Fri, 25 May 2018 12:23:27 -0700
From:   "Darrick J. Wong" <darrick.wong@...cle.com>
To:     Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Toshi Kani <toshi.kani@....com>,
        Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvdimm@...ts.01.org, xfs <linux-xfs@...r.kernel.org>
Subject: Re: [PATCH 1/7] fs: allow per-device dax status checking for
 filesystems

On Fri, May 25, 2018 at 09:42:29AM -0600, Ross Zwisler wrote:
> On Thu, May 24, 2018 at 10:02:18PM -0700, Darrick J. Wong wrote:
> > On Thu, May 24, 2018 at 08:55:12PM -0600, Ross Zwisler wrote:
> > > From: "Darrick J. Wong" <darrick.wong@...cle.com>
> > > 
> > > Remove __bdev_dax_supported and change to bdev_dax_supported that takes a
> > > bdev parameter.  This enables multi-device filesystems like xfs to check
> > > that a dax device can work for the particular filesystem.  Once that's
> > > in place, actually fix all the parts of XFS where we need to be able to
> > > distinguish between datadev and rtdev.
> > > 
> > > This patch fixes the problem where we screw up the dax support checking
> > > in xfs if the datadev and rtdev have different dax capabilities.
> > > 
> > > Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
> > > Signed-off-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
> > 
> > Reviewed-by: Darr...oh, I'm not allowed to do that, am I?
> > 
> > Would you mind (re)sending this to the xfs list so that someone else can
> > review it?
> > 
> > --D
> 
> Thanks for the review, Darrick.
> 
> I think at one point Dave said that if you touch more than 1 filesystem with a
> series you should just CC linux-fsdevel and omit the individual filesystems?
> I realize that this series only touches ext2 and ext4 a little, but that's
> what I opted for.
> 
> Is that sufficient to get to the rest of the XFS developers, or would you like
> a resend adding linux-xfs?

For a patch by any other author I'd be fine with -fsdevel, but for this
specific one (because it's written by me and I'm not yet so bofh that I
review my own patches ;)) someone else from the xfs community has to
review it, so yes I'd like it to be sent to linux-xfs, please.

(And it's ok to note in the resend that this is the same as the -fsdevel
series, but posted here to attract the attention of the other xfs
developers.)

--D

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