helper_thread: remove impossible branch

I believe that the intention is to call update_io_ticks every
DISK_UTIL_MSEC. Make helper_thread_main do this.

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/helper_thread.c b/helper_thread.c
index e788af5ba5d91e0fe203144c2e8f2f3765b86850..f031df4de508855120d41268dd32f6f05049a508 100644 (file)
--- a/helper_thread.c
+++ b/helper_thread.c
@@ -110,12 +110,8 @@ static void *helper_thread_main(void *data)
                        msec_to_next_event = DISK_UTIL_MSEC;
                        if (since_du >= DISK_UTIL_MSEC)
                                msec_to_next_event -= (since_du - DISK_UTIL_MSEC);
-               } else {
-                       if (since_du >= DISK_UTIL_MSEC)
-                               msec_to_next_event = DISK_UTIL_MSEC - (DISK_UTIL_MSEC - since_du);
-                       else
-                               msec_to_next_event = DISK_UTIL_MSEC;
-               }
+               } else
+                       msec_to_next_event = DISK_UTIL_MSEC - since_du;
 
                if (hd->do_stat) {
                        hd->do_stat = 0;