On Fri, Jul 24, 2020 at 8:38 PM Vivek Goyal <vgoyal@xxxxxxxxxx> wrote: > If you are concerned about regression w.r.t clear of caps, then we > can think of enabling SB_NOSEC conditionally. Say user chooses it > as mount option. But given caps is just an outlier and currently > we clear suid/sgid based on cache (and not based on state on server), > I feel it might not be a huge issue. > > What do you think? I think enabling xattr caching should be a separate feature, and yes, SB_NOSEC would effectively enable xattr caching. We could add the FUSE_CACHE_XATTR feature flag without actually adding real caching, just SB_NOSEC... Does that sound sane? Thanks, Miklos