On Tue, Sep 03, 2019 at 10:07:52AM -0400, Vivek Goyal wrote: > On Tue, Sep 03, 2019 at 04:31:38AM -0400, Michael S. Tsirkin wrote: > > [..] > > + /* TODO lock */ > > give me pause. > > > > Cleanup generally seems broken to me - what pauses the FS > > I am looking into device removal aspect of it now. Thinking of adding > a reference count to virtiofs device and possibly also a bit flag to > indicate if device is still alive. That way, we should be able to cleanup > device more gracefully.
Generally, the way to cleanup things is to first disconnect device from linux so linux won't send new requests, wait for old ones to finish. > > > > What about the rest of TODOs in that file? > > I will also take a closer look at TODOs now. Better device cleanup path > might get rid of some of them. Some of them might not be valid anymore. > > > > > use of usleep is hacky - can't we do better e.g. with a > > completion? > > Agreed. > > Thanks > Vivek
