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Date:   Wed, 30 Aug 2017 17:30:48 +0200
From:   Lukas Czerner <lczerner@...hat.com>
To:     Theodore Ts'o <tytso@....edu>
Cc:     Christoph Hellwig <hch@...radead.org>, Jan Kara <jack@...e.cz>,
        Dave Chinner <david@...morbit.com>, linux-ext4@...r.kernel.org,
        linux-xfs@...r.kernel.org
Subject: Re: [PATCH] ext4: introduce per-inode DAX flag

On Wed, Aug 30, 2017 at 11:00:19AM -0400, Theodore Ts'o wrote:
> Bringing this discussion back to the "ext4: introduce per-inode DAX
> flag" patch, it sounds to me that I should _not_ apply this patch
> until we figure out to fix this for reals.  Does this sound fair?
> 
> If we think it's completely unfixable, then maybe XFS should consider
> (temporarily) withdrawing the per-file DAX support before there is a
> userspace and you have to support it forever, but that's between the
> NVM/dax and XFS folks to figure out.
> 
> 					- Ted

Hi Ted,

I agree, this still has some issues even for ext4. Let's see what we can
do about that and I'll revisit it later.

Thanks!
-Lukas

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