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Date:   Sat, 10 Sep 2016 07:33:18 +0000
From:   Matthew Wilcox <mawilcox@...rosoft.com>
To:     Christoph Hellwig <hch@...radead.org>
CC:     Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Theodore Ts'o <tytso@....edu>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "linux-nvdimm@...1.01.org" <linux-nvdimm@...1.01.org>,
        Dave Chinner <david@...morbit.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "Andreas Dilger" <adilger.kernel@...ger.ca>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Jan Kara <jack@...e.com>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: RE: [PATCH v2 2/9] ext2: tell DAX the size of allocation holes

From: Christoph Hellwig [mailto:hch@...radead.org]
> The mail is basically unparsable (hint: you can use a sane mailer even with
> exchange servers :)).

That rather depends on how the Exchange servers are configured ... this isn't the
appropriate place to discuss IT issues though.

> Either way we need to get rid of buffer_heads, and another aop that is entirely
> caller specific is unaceptable.  That being said your idea doesn't sounds
> unreasonable, but will require a bit more work and has no real short-term
> need.

So your proposal is to remove buffer_heads from ext2?

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