[PATCH v12 02/13] eventfd: Export eventfd_wake_count to modules

[Xie Yongji <xieyongji@xxxxxxxxxxxxx>]

Export eventfd_wake_count so that some modules can use
the eventfd_signal_count() to check whether the
eventfd_signal() call should be deferred to a safe context.

Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
---
 fs/eventfd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/eventfd.c b/fs/eventfd.c
index e265b6dd4f34..1b3130b8d6c1 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -26,6 +26,7 @@
 #include <linux/uio.h>
 
 DEFINE_PER_CPU(int, eventfd_wake_count);
+EXPORT_PER_CPU_SYMBOL_GPL(eventfd_wake_count);
 
 static DEFINE_IDA(eventfd_ida);
 
-- 
2.11.0