> > Even simpler: allow O_PATH descriptors for f*xattr(). > > Attached patch. Will post shortly. > > However, I think it would make sense to fix virtiofsd as well, as this will > take time to percolate down, even if Al doesn't find > anything wrong with it.
Thanks for you comments. Though I'm still learning virtiofsd code, if nobody will try I'm willing to work on this. > Doing unshare(CLONE_FS) after thread startup seems safe, though must be > careful to change the working directory to the root of > the mount > *before* starting any threads. I think working directry is changed in setup_sandbox() -> setup_mount_namespace() -> setup_pivot_root(). So, can we just add unshare(CLONE_FS) in fv_queue_worker()? Sorry if I'm totally misunderstood the situation. Thanks, Misono
