On Mon, Oct 17, 2016 at 04:04:00PM -0400, Jeff Moyer wrote: > >> Could we just change percpu_rw_semaphore->read_count to be a signed > >> integer? The down_write path sums up the counters from all cpus... > > > > To what point? > > Duh, nevermind. You're right, it should work as-is.
Ok, thanks. That also explains why I didn't see any splat in xfstests..