> There are! Keep in mind that "filesystems" includes things like NFS and SMB... Of course - I would call that "augmentations". But still each has to implement

> There are! Keep in mind that "filesystems" includes things like NFS and SMB... Of course - I would call that "augmentations". But still each has to implement the dreaded POSIX modes to be compliant. Thanks for the thing about there not being any state for open files in the filesystems themselves. I browsed a bit around the LXR and couldn't find any. That's insightful! (and I think it's a sensible design choice)