Merge patch series "mount notification"

Merge patch series "mount notification"

Miklos Szeredi <mszeredi@redhat.com> says:

This should be ready for adding to the v6.15 queue.  I don't see the
SELinux discussion converging, so I took the simpler version out of the
two that were suggested.

* patches from https://lore.kernel.org/r/20250129165803.72138-1-mszeredi@redhat.com:
  vfs: add notifications for mount attach and detach
  fanotify: notify on mount attach and detach
  fsnotify: add mount notification infrastructure

Link: https://lore.kernel.org/r/20250129165803.72138-1-mszeredi@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>