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@xxxxxxxxxx> CC: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CC: Ingo Molnar <mingo@xxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
