Re: [PATCH 3/3] ext2: remove dax EXPERIMENTAL warning

On Fri, Sep 17, 2021 at 01:59:10PM +0100, Christoph Hellwig wrote:

On Fri, Sep 17, 2021 at 11:47:07AM +0200, Jan Kara wrote:

quoted

On Wed 15-09-21 12:22:41, Eric Sandeen wrote:

quoted

As there seems to be no significant outstanding concern about
dax on ext2 at this point, remove the scary EXPERIMENTAL
warning when in use.

Signed-off-by: Eric Sandeen <redacted>

Agreed. Do you want my ack or should I just merge this patch?

Please do not merge it.  The whole DAX path is still a mess and should
not be elevated to non-EXPERMINTAL state in this form.

Hi Christoph,

'still a mess' isn't all that useful for figuring out what still needs
to be done and splitting up the work.  Do you have items beyond my own
list below?

 - still arguing over what exactly FALLOC_FL_ZERO_REINIT_WHATEVER_PONIES
   should be doing
 - no reflink support, encompassing:
 - hwpoison from mmap regions really ought to tell the fs that bad stuff
   happened
 - mm rmap can't handle more than one owner

--D