1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 25610205c90d..83abd9d7898f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1375,6 +1375,9 @@ extern struct subsystem fs_subsys;
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2
 
+/* /sys/fs */
+extern struct subsystem fs_subsys;
+
 extern int locks_mandatory_locked(struct inode *);
 extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);