diff -urpN linux-2.6-xfs8/fs/xfs/quota/xfs_dquot.c linux-2.6-xfs9/fs/xfs/quota/xfs_dquot.c
--- linux-2.6-xfs8/fs/xfs/quota/xfs_dquot.c	2008-04-22 11:34:01.000000000 +0200
+++ linux-2.6-xfs9/fs/xfs/quota/xfs_dquot.c	2008-04-22 15:12:08.000000000 +0200
@@ -640,7 +640,11 @@ xfs_qm_dqtobp(
  * and release the buffer immediately.
  *
  */
-/* ARGSUSED */
+#ifndef DEBUG
+/* "id" is used only for debugging */
+#define xfs_qm_dqread(tpp, id, dqp, flags) \
+	xfs_qm_dqread(tpp, dqp, flags)
+#endif
 STATIC int
 xfs_qm_dqread(
 	xfs_trans_t	**tpp,
diff -urpN linux-2.6-xfs8/fs/xfs/quota/xfs_qm.c linux-2.6-xfs9/fs/xfs/quota/xfs_qm.c
--- linux-2.6-xfs8/fs/xfs/quota/xfs_qm.c	2008-04-22 11:34:31.000000000 +0200
+++ linux-2.6-xfs9/fs/xfs/quota/xfs_qm.c	2008-04-22 15:12:54.000000000 +0200
@@ -65,6 +65,8 @@ kmem_zone_t	*qm_dqtrxzone;
 
 static cred_t	xfs_zerocr;
 
+/* "str" and "n" are unused */
+#define xfs_qm_list_init(list, str, n) xfs_qm_list_init(list)
 STATIC void	xfs_qm_list_init(xfs_dqlist_t *, char *, int);
 STATIC void	xfs_qm_list_destroy(xfs_dqlist_t *);
 
@@ -210,10 +212,10 @@ xfs_qm_destroy(
  * structures are pretty independent, but it helps the XQM keep a
  * global view of what's going on.
  */
-/* ARGSUSED */
 STATIC int
 xfs_qm_hold_quotafs_ref(
-	struct xfs_mount *mp)
+	void
+	/*struct xfs_mount *mp*/)
 {
 	/*
 	 * Need to lock the xfs_Gqm structure for things like this. For example,
@@ -243,7 +245,8 @@ xfs_qm_hold_quotafs_ref(
 /* ARGSUSED */
 STATIC void
 xfs_qm_rele_quotafs_ref(
-	struct xfs_mount *mp)
+	void
+	/*struct xfs_mount *mp*/)
 {
 	xfs_dquot_t	*dqp, *nextdqp;
 
@@ -1122,7 +1125,7 @@ xfs_qm_init_quotainfo(
 	/*
 	 * Tell XQM that we exist as soon as possible.
 	 */
-	if ((error = xfs_qm_hold_quotafs_ref(mp))) {
+	if ((error = xfs_qm_hold_quotafs_ref(/* mp */))) {
 		return error;
 	}
 
@@ -1233,7 +1236,7 @@ xfs_qm_destroy_quotainfo(
 	 * when the XQM structure should be freed. We cannot assume
 	 * that xfs_Gqm is non-null after this point.
 	 */
-	xfs_qm_rele_quotafs_ref(mp);
+	xfs_qm_rele_quotafs_ref(/* mp */);
 
 	spinlock_destroy(&qi->qi_pinlock);
 	xfs_qm_list_destroy(&qi->qi_dqlist);