diff --git a/fs/xfs/linux-2.6/mutex.h b/fs/xfs/linux-2.6/mutex.h
index d3369b6ca168e4f9fa1d75541dbf25eeee4d0bc1..2a88d56c4dc2c13c3d4bba62e896664d1513a076 100644
--- a/fs/xfs/linux-2.6/mutex.h
+++ b/fs/xfs/linux-2.6/mutex.h
@@ -18,18 +18,8 @@
 #ifndef __XFS_SUPPORT_MUTEX_H__
 #define __XFS_SUPPORT_MUTEX_H__
 
-#include <linux/spinlock.h>
 #include <linux/mutex.h>
 
-/*
- * Map the mutex'es from IRIX to Linux semaphores.
- *
- * Destroy just simply initializes to -99 which should block all other
- * callers.
- */
-#define MUTEX_DEFAULT		0x0
-
-typedef struct mutex		mutex_t;
-//#define mutex_destroy(lock)			do{}while(0)
+typedef struct mutex mutex_t;
 
 #endif /* __XFS_SUPPORT_MUTEX_H__ */
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 7dcdd0640c32ef9f6dea4ce87b960a35f5b5f518..3384bfefee5b4c1801cd9152c22610f4c479fdc0 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -167,7 +167,7 @@ xfs_Gqm_init(void)
 	xqm->qm_dqfree_ratio = XFS_QM_DQFREE_RATIO;
 	xqm->qm_nrefs = 0;
 #ifdef DEBUG
-	xfs_mutex_init(&qcheck_lock, MUTEX_DEFAULT, "qchk");
+	mutex_init(&qcheck_lock);
 #endif
 	return xqm;
 }