On 6/11/19 6:52 AM, Christoph Hellwig wrote: > On Tue, Jun 11, 2019 at 08:29:35PM +0800, Pingfan Liu wrote: >> Unable to get a NVME device to have a test. And when testing fio on the > > How would a nvme test help? FOLL_LONGTERM isn't used by any performance > critical path to start with, so I don't see how this patch could be > a problem. > yes, you're right of course. We skip the loop entirely for FOLL_LONGTERM, and I forgot for the moment that the direct IO paths are never going to set that flag. :) thanks, -- John Hubbard NVIDIA
