On Sat, Sep 10, 2016 at 12:31:51AM -0700, Christoph Hellwig wrote:

I've mentioned this before, but I'd like to repeat it.  With all the
work reqwuired in the file system I would prefer to drop DAX support
in ext2 (and if people really cry for it reinstate the trivial old xip
support).

Why is so much work required to support the new DAX interfaces in
ext2?  Is that unique to ext2, or is adding DAX support just going to
be painful for all file systems?  Hopefully it's not the latter,
right?

						- Ted

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