From: Dave Chinner <david@fromorbit.com>
To: Jan Kara <jack@suse.cz>
Cc: linux-fsdevel@vger.kernel.org,
Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-mm@kvack.org, linux-ext4@vger.kernel.org,
Johannes Weiner <hannes@cmpxchg.org>,
Dan Williams <dan.j.williams@intel.com>,
linux-nvdimm@lists.01.org
Subject: Re: [PATCH 0/6 v3] dax: Page invalidation fixes
Date: Wed, 14 Dec 2016 07:01:57 +1100 [thread overview]
Message-ID: <20161213200157.GA4326@dastard> (raw)
In-Reply-To: <20161213115209.GG15362@quack2.suse.cz>
On Tue, Dec 13, 2016 at 12:52:09PM +0100, Jan Kara wrote:
> On Mon 12-12-16 17:47:02, Jan Kara wrote:
> > Hello,
> >
> > this is the third revision of my fixes of races when invalidating hole pages in
> > DAX mappings. See changelogs for details. The series is based on my patches to
> > write-protect DAX PTEs which are currently carried in mm tree. This is a hard
> > dependency because we really need to closely track dirtiness (and cleanness!)
> > of radix tree entries in DAX mappings in order to avoid discarding valid dirty
> > bits leading to missed cache flushes on fsync(2).
> >
> > The tests have passed xfstests for xfs and ext4 in DAX and non-DAX mode.
> >
> > Johannes, are you OK with patch 2/6 in its current form? I'd like to push these
> > patches to some tree once DAX write-protection patches are merged. I'm hoping
> > to get at least first three patches merged for 4.10-rc2... Thanks!
>
> OK, with the final ack from Johannes and since this is mostly DAX stuff,
> can we take this through NVDIMM tree and push to Linus either late in the
> merge window or for -rc2? These patches require my DAX patches sitting in mm
> tree so they can be included in any git tree only once those patches land
> in Linus' tree (which may happen only once Dave and Ted push out their
> stuff - this is the most convoluted merge window I'd ever to deal with ;-)...
And I'm waiting on Jens and the block tree before I send Linus
a pulllreq for all the stuff I have queued because of the conflicts
in the iomap-direct IO patches I've also got in the XFS tree... :/
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2016-12-13 20:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-12 16:47 [PATCH 0/6 v3] dax: Page invalidation fixes Jan Kara
2016-12-12 16:47 ` [PATCH 1/6] ext2: Return BH_New buffers for zeroed blocks Jan Kara
2016-12-12 16:47 ` [PATCH 2/6] mm: Invalidate DAX radix tree entries only if appropriate Jan Kara
2016-12-12 17:50 ` Johannes Weiner
2016-12-12 16:47 ` [PATCH 3/6] dax: Avoid page invalidation races and unnecessary radix tree traversals Jan Kara
2016-12-12 16:47 ` [PATCH 4/6] dax: Finish fault completely when loading holes Jan Kara
2016-12-12 16:47 ` [PATCH 5/6] dax: Call ->iomap_begin without entry lock during dax fault Jan Kara
2016-12-12 16:47 ` [PATCH 6/6] ext4: Simplify DAX fault path Jan Kara
2016-12-12 17:51 ` [PATCH 0/6 v3] dax: Page invalidation fixes Johannes Weiner
2016-12-13 11:52 ` Jan Kara
[not found] ` <20161213115209.GG15362-4I4JzKEfoa/jFM9bn6wA6Q@public.gmane.org>
2016-12-13 18:57 ` Dan Williams
[not found] ` <CAPcyv4giLyY8pWP09V5BmUM+sfGO-VJCtkfV6L-RFS+0XQsT9Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-12-17 1:35 ` Dan Williams
2016-12-17 1:49 ` Dan Williams
2016-12-19 9:56 ` Jan Kara
2016-12-19 21:51 ` Dan Williams
[not found] ` <CAPcyv4jjLg=Nyxusz5Hp8OaJ9fi0Xf6LHW37jgVbxKoOYHjNQw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-12-20 7:59 ` Jan Kara
[not found] ` <20161220075942.GB496-4I4JzKEfoa/jFM9bn6wA6Q@public.gmane.org>
2016-12-20 20:09 ` Dan Williams
2016-12-13 20:01 ` Dave Chinner [this message]
2016-12-13 20:42 ` Theodore Ts'o
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