Re: [PATCH v13 00/72] Convert page cache to XArray

From: Matthew Wilcox
Date: Sat Jun 16 2018 - 08:08:08 EST


On Wed, Jun 13, 2018 at 02:10:21PM -0600, Ross Zwisler wrote:
> I tested xarray-20180612 vs next-20180612, and your patches cause a new
> deadlock with XFS + DAX + generic/269. Here's the output from
> "echo w > /proc/sysrq-trigger":

After getting my pmem setup working (thanks for the help Dan &
Jeff), I tracked this down to a missing call to dax_wake_entry() in
dax_writeback_one(). I'm running xfstests -g auto now to see if
there's anything else that needs to be fixed.