Staging: lustre: osc: Declare as static

Declare osc_extent_find and osc_unreserve_grant as static since they
are used only in this particular file.
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/osc/osc_cache.c

@@ -619,7 +619,7 @@ static inline int overlapped(struct osc_extent *ex1, struct osc_extent *ex2)
  * Find or create an extent which includes @index, core function to manage
  * extent tree.
  */
-struct osc_extent *osc_extent_find(const struct lu_env *env,
+static struct osc_extent *osc_extent_find(const struct lu_env *env,
 					  struct osc_object *obj, pgoff_t index,
 					  int *grants)
 
@@ -1420,7 +1420,7 @@ static void __osc_unreserve_grant(struct client_obd *cli,
 	}
 }
 
-void osc_unreserve_grant(struct client_obd *cli,
+static void osc_unreserve_grant(struct client_obd *cli,
 				unsigned int reserved, unsigned int unused)
 {
 	client_obd_list_lock(&cli->cl_loi_list_lock);