Re: [PATCH v2 2/7] dax: change bdev_dax_supported() to support boolean returns

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On Thu, May 31, 2018 at 12:13:32PM -0700, Darrick J. Wong wrote:
> On Tue, May 29, 2018 at 04:01:14PM -0600, Ross Zwisler wrote:
> > On Tue, May 29, 2018 at 02:25:10PM -0700, Darrick J. Wong wrote:
> > > On Tue, May 29, 2018 at 01:51:01PM -0600, Ross Zwisler wrote:
> > > > From: Dave Jiang <dave.jiang@xxxxxxxxx>
> > > > 
> > > > The function return values are confusing with the way the function is
> > > > named. We expect a true or false return value but it actually returns
> > > > 0/-errno.  This makes the code very confusing. Changing the return values
> > > > to return a bool where if DAX is supported then return true and no DAX
> > > > support returns false.
> > > > 
> > > > Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> > > > Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> > > 
> > > Looks ok, do you want me to pull the first two patches through the xfs
> > > tree?
> > > 
> > > Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> > 
> > Thanks for the review.
> > 
> > I'm not sure what's best.  If you do that then Mike will need to have a DM
> > branch for the rest of the series based on your stable commits, yea?
> > 
> > Mike what would you prefer?
> 
> I /was/ about to say that I would pull in the first two patches, but now
> I can't get xfs to mount with pmem at all, and have no way of testing
> this...?

I'm not sure what's up - I'll dig in and find out.



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