On Thu, 29 Aug 2024 at 16:39, Aleksandr Mikhalitsyn <aleksandr.mikhalitsyn@xxxxxxxxxxxxx> wrote: > So, your point is to set uid/gid to -1 for FUSE_{READ,WRITE,LOOKUP,RELEASE,...}? Yes. Not sure what will happen with those servers that check permissions based on these values, but my guess is it's still better than sending the unmapped value. Thanks, Miklos