* Stefan Hajnoczi ([email protected]) wrote: > On Thu, May 23, 2019 at 10:06:34AM +0800, Liu Bo wrote: > > Reported by fstests/generic/467. > > > > open_by_handle_at() called from fuse inside guest can carry fuse mount > > point to daemon but lo_do_lookup() doesn't know its inode info because > > it's out of fuse's scope, thus lo_inode(req, parent) ends up with > > returning a NULL dir and breaks virtiofsd immediately. > > > > Note that it'd break applications that uses open_by_handle_at. > > > > It seems to me that nothing could be done to support open_by_handle_at in > > this case. > > > > This simply tells fuse a ENOENT error so that open_by_handle_at() in guest > > can get a ESTALE. > > > > Signed-off-by: Liu Bo <[email protected]> > > --- > > contrib/virtiofsd/passthrough_ll.c | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > Reviewed-by: Stefan Hajnoczi <[email protected]>
OK, I've finally merged this. Apologies for the delay; I got hung up on the questions about exportfs that had been asked at the time and wanted to understand that we had an answer. Dave -- Dr. David Alan Gilbert / [email protected] / Manchester, UK
