#define AFS_GLOCK() mutex_enter(&afs_global_lock);
#define AFS_GUNLOCK() mutex_exit(&afs_global_lock);
#define ISAFS_GLOCK() mutex_owned(&afs_global_lock)
+#define osi_InitGlock() \
+ mutex_init(&afs_global_lock, "afs_global_lock", MUTEX_DEFAULT, NULL);
#endif