__usec_sleep() really just spins, rename it
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.h b/fio.h
index d21f5e4..e74836f 100644
--- a/fio.h
+++ b/fio.h
@@ -827,7 +827,7 @@
extern unsigned long mtime_since_now(struct timeval *);
extern unsigned long time_since_now(struct timeval *);
extern unsigned long mtime_since_genesis(void);
-extern void __usec_sleep(unsigned int);
+extern void usec_spin(unsigned int);
extern void usec_sleep(struct thread_data *, unsigned long);
extern void rate_throttle(struct thread_data *, unsigned long, unsigned int);
extern void fill_start_time(struct timeval *);