fsnotify_prepare_user_wait

Name:fsnotify_prepare_user_wait

Proto:bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info)

Type:bool

Parameter:

Type	Parameter	Name
struct fsnotify_iter_info *	iter_info

333

If Not Get mark reference when we found the mark via lockless traversal of object* list. Mark can be already removed from the list by now and on its way to be* destroyed once SRCU period ends.* Also pin the group so it doesn't disappear under us. Then Go to fail

342

srcu_read_unlock - unregister a old reader from an SRCU-protected structure.*@ssp: srcu_struct in which to unregister the old reader.*@idx: return value from corresponding srcu_read_lock().* Exit an SRCU read-side critical section.

344

Return true

346

fail :

347

When type >= 0 cycle Puts marks and wakes up group destruction if necessary.* Pairs with fsnotify_get_mark_safe()

349

Return false

**Caller**
Name	Describe
fanotify_handle_event

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