On Mon, Apr 05, 2021 at 12:05:13PM -0400, Sasha Levin wrote: > From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> > > [ Upstream commit dd841a749d1ded8e2e5facc4242ee0b6779fc0cb ] > > Introducing local_lock broke compilation; fix it all up. I don't think local_lock has been backported to 4.19?