Pull fsnotify updates from Jan Kara:
- a couple of small cleanups and fixes
- implement fanotify watchdog that reports processes that fail to
respond to fanotify permission events in a given time
* tag 'fsnotify_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: add watchdog for permission events
fanotify: Validate the return value of mnt_ns_from_dentry() before dereferencing
fsnotify: fix "rewriten"->"rewritten"