Pull fsnotify updates from Jan Kara:

 - support for limited fanotify functionality for unpriviledged users

 - faster merging of fanotify events

 - a few smaller fsnotify improvements

* tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  shmem: allow reporting fanotify events with file handles on tmpfs
  fs: introduce a wrapper uuid_to_fsid()
  fanotify_user: use upper_32_bits() to verify mask
  fanotify: support limited functionality for unprivileged users
  fanotify: configurable limits via sysfs
  fanotify: limit number of event merge attempts
  fsnotify: use hash table for faster events merge
  fanotify: mix event info and pid into merge key hash
  fanotify: reduce event objectid to 29-bit hash
  fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue