On Mon, Apr 16, 2018 at 10:01:33AM -0600, Ross Zwisler wrote: > On Sat, Apr 14, 2018 at 07:12:13AM -0700, Matthew Wilcox wrote: > > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > > > This conversion keeps the radix tree and XArray data structures in sync > > at all times. That allows us to convert the page cache one function at > > a time and should allow for easier bisection. Other than renaming some > > elements of the structures, the data structures are fundamentally > > unchanged; a radix tree walk and an XArray walk will touch the same > > number of cachelines. I have changes planned to the XArray data > > structure, but those will happen in future patches. > > I've hit a few failures when throwing this into my test setup. The first two > seem like similar bugs hit in two different ways, the third seems unique. > I've verified that these don't seem to happen with the next-20180413 baseline. Hey Matthew, did you ever figure out these failures?