On Fri, Mar 10, 2017 at 01:51:11PM +0100, David Woodhouse wrote: > > There is nothing it protects, but it makes lockdep unhappy in many different > > ways. > > > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx> > > This is commit 4c9f748f0ee88447b28546991f60f43a7319aafd in 4.5. > > Doesn't it want to be applied to 4.4 stable too? No idea. For what someone would have to look a 4.4 stable, check if it makes sense and hopefully do some NVMe regression testing including testing timeouts.