Re: [PATCH 0/6 v3] dax: Page invalidation fixes

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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@xxxxxxxxxxxxx

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