Messages in this thread Patch in this message | | | From | Kent Overstreet <> | Subject | [PATCH 4/4] Export __lockdep_no_validate__ | Date | Tue, 15 Jan 2013 13:25:42 -0800 |
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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> --- kernel/lockdep.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 7981e5b..861fbeb 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, -- 1.7.12
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