Staging: lustre: lustre: osc: Changed the return code of a function from int to void.

The following patch changes the return code of a function from int to void
as the return value was not used by the callers.

Signed-off-by: Heena Sirwani <heenasirwani@gmail.com>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c
index 806fd39..ec04935 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cache.c
+++ b/drivers/staging/lustre/lustre/osc/osc_cache.c
@@ -536,7 +536,7 @@
 /**
  * Drop user count of osc_extent, and unplug IO asynchronously.
  */
-int osc_extent_release(const struct lu_env *env, struct osc_extent *ext)
+void osc_extent_release(const struct lu_env *env, struct osc_extent *ext)
 {
 	struct osc_object *obj = ext->oe_obj;
 
@@ -570,7 +570,6 @@
 		osc_io_unplug_async(env, osc_cli(obj), obj);
 	}
 	osc_extent_put(env, ext);
-	return 0;
 }
 
 static inline int overlapped(struct osc_extent *ex1, struct osc_extent *ex2)
diff --git a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
index ebbd95c..365b278 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
+++ b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
@@ -678,7 +678,7 @@
 
 int osc_extent_finish(const struct lu_env *env, struct osc_extent *ext,
 		      int sent, int rc);
-int osc_extent_release(const struct lu_env *env, struct osc_extent *ext);
+void osc_extent_release(const struct lu_env *env, struct osc_extent *ext);
 
 /** @} osc */