From: Kent Overstreet <koverstreet@google.com>
Date: Fri, 28 Dec 2012 06:21:58 +0000 (-0800)
Subject: Export __lockdep_no_validate__
X-Git-Tag: v3.12-rc1~856^2~36^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea6749c705d9e629ed03c7336cc929fc6014b834;p=kernel%2Fkernel-generic.git

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>
---

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 259db20..60248a7 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -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,