staging/lustre/lov: Remove unused lov_lsm_decref()

Also lov_lsm_addref is only used in the file it is defined,
so make it static
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/lov/lov_cl_internal.h

@@ -637,9 +637,6 @@ struct lov_io_sub    *lov_page_subio(const struct lu_env *env,
 					 struct lov_io *lio,
 					 const struct cl_page_slice *slice);
 
-void lov_lsm_decref(struct lov_object *lov, struct lov_stripe_md *lsm);
-struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov);
-
 #define lov_foreach_target(lov, var)		    \
 	for (var = 0; var < lov_targets_nr(lov); ++var)
 

drivers/staging/lustre/lustre/lov/lov_object.c

@@ -909,7 +909,7 @@ struct lu_object *lov_object_alloc(const struct lu_env *env,
 	return obj;
 }
 
-struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov)
+static struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov)
 {
 	struct lov_stripe_md *lsm = NULL;
 
@@ -924,17 +924,6 @@ struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov)
 	return lsm;
 }
 
-void lov_lsm_decref(struct lov_object *lov, struct lov_stripe_md *lsm)
-{
-	if (lsm == NULL)
-		return;
-
-	CDEBUG(D_INODE, "lsm %p decref %d by %p.\n",
-		lsm, atomic_read(&lsm->lsm_refc), current);
-
-	lov_free_memmd(&lsm);
-}
-
 struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj)
 {
 	struct lu_object *luobj;