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 for <linux-nvdimm@lists.01.org>; Wed, 19 Oct 2016 09:38:41 -0700 (PDT)
Date: Wed, 19 Oct 2016 10:38:39 -0600
From: Ross Zwisler <ross.zwisler@linux.intel.com>
Subject: Re: [PATCH 20/20] dax: Clear dirty entry tags on cache flush
Message-ID: <20161019163839.GA22463@linux.intel.com>
References: <1474992504-20133-1-git-send-email-jack@suse.cz>
 <1474992504-20133-21-git-send-email-jack@suse.cz>
 <20161018221254.GG7796@linux.intel.com>
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To: Jan Kara <jack@suse.cz>
Cc: linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
List-ID: <linux-nvdimm@lists.01.org>

On Wed, Oct 19, 2016 at 09:30:16AM +0200, Jan Kara wrote:
> On Tue 18-10-16 16:12:54, Ross Zwisler wrote:
> > On Tue, Sep 27, 2016 at 06:08:24PM +0200, Jan Kara wrote:
> > > Currently we never clear dirty tags in DAX mappings and thus address
> > > ranges to flush accumulate. Now that we have locking of radix tree
> > > entries, we have all the locking necessary to reliably clear the radix
> > > tree dirty tag when flushing caches for corresponding address range.
> > > Similarly to page_mkclean() we also have to write-protect pages to get a
> > > page fault when the page is next written to so that we can mark the
> > > entry dirty again.
> > > 
> > > Signed-off-by: Jan Kara <jack@suse.cz>
> > 
> > Looks great. 
> > 
> > Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> 
> Thanks for review Ross! I've rebased the series on top of rc1. Do you have
> your PMD series somewhere rebased on top of rc1 so that I can rebase my
> patches on top of that as well? Then I'd post another version of the
> series...

Sure, I'll rebase & post a new version of my series today.
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