On Thu, 2018-06-28 at 13:04 -0600, Ross Zwisler wrote:
> On Thu, Jun 28, 2018 at 05:42:34PM +0000, Kani, Toshi wrote:
> > On Tue, 2018-06-26 at 16:04 -0600, Ross Zwisler wrote:
> > > On Tue, Jun 26, 2018 at 02:51:52PM -0700, Dan Williams wrote:
> > > > On Tue, Jun 26, 2018 at 2:31 PM, Kani, Toshi <toshi.kani@xxxxxxx> wrote:
:
> > Your patches look good. But I am still not clear about the Fixes &
> > stable handling. Talking about user visible behavior, I do not think we
> > had any issue until dax support was dropped from raw mode. Until then,
> > the pmem driver supported dax for all modes, and the check for
> > direct_access worked.
>
> I agree that the fsdax + raw mode failure mode I mentioned in my cover letter
> only started when we restricted filesystem DAX to having struct page, but I
> think that the other failure mode, fsdax + some random block driver (I used
> brd) was present in DM from the beginning.
Ah, I see.
> In any case, I think both are fixed with the patches, and I think it's fine
> that all 3 get thrown at stable. Thanks, Mike, for the help.
Yup, agreed.
Thanks!
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