On Fri, Aug 26, 2022 at 05:13:38PM -0700, Linus Torvalds wrote: > So I feel like if the VFS code cannot rely on locking *anyway* in the > general case, and should work without it, then we really shouldn't > have any locking around any of the VFS operations. That's a really big if. There's a bunch of places where we rely upon ->i_rwsem on directories and _not_ to provide exclusion for fs methods. I'm still halfway through the Neil's patchset, but verifying correctness won't be easy and I'm not optimistic about getting rid of those uses...