Commit ea6749c7 authored Dec 27, 2012 by Kent Overstreet

Export __lockdep_no_validate__



Hack, but bcache needs a way around lockdep for locking during garbage
collection - we need to keep multiple btree nodes locked for coalescing
and rw_lock_nested() isn't really sufficient or appropriate here.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Ingo Molnar <mingo@redhat.com>

parent 9ca8f8e5

kernel/lockdep.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2997,6 +2997,7 @@ void lockdep_init_map(struct lockdep_map lock, const char name,
		EXPORT_SYMBOL_GPL(lockdep_init_map);

		struct lock_class_key __lockdep_no_validate__;
		EXPORT_SYMBOL_GPL(__lockdep_no_validate__);

		static int
		print_lock_nested_lock_not_held(struct task_struct *curr,