On Thu, May 31, 2018 at 03:26:45PM -0700, Darrick J. Wong wrote: > On Thu, May 31, 2018 at 04:52:06PM -0400, Mike Snitzer wrote: > > On Thu, May 31 2018 at 3:13pm -0400, > > Darrick J. Wong <darrick.wong@xxxxxxxxxx> 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...? > > > > Once you get this sorted out, please feel free to pull in the first 2. > > Sorted. It'll be in Friday's for-next. Ross helped me bang on the pmem > devices w/ ndctl to enable fsdax mode and twist qemu until everything > worked properly. ;) For anyone else who would like to simulate persistent memory using QEMU, I've added some hints here: https://nvdimm.wiki.kernel.org/pmem_in_qemu -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
