Ensure that we have no IO pending when sleeping

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index 2cf2b8d0e398923590c01281b5082361d8c7eca1..f0b6170535d2a77a07861a4a0760d72a4130412e 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -511,6 +511,24 @@ static inline enum fio_ddir get_rand_ddir(struct thread_data *td)
        return DDIR_WRITE;
 }
 
+void io_u_quiesce(struct thread_data *td)
+{
+       /*
+        * We are going to sleep, ensure that we flush anything pending as
+        * not to skew our latency numbers.
+        *
+        * Changed to only monitor 'in flight' requests here instead of the
+        * td->cur_depth, b/c td->cur_depth does not accurately represent
+        * io's that have been actually submitted to an async engine,
+        * and cur_depth is meaningless for sync engines.
+        */
+       while (td->io_u_in_flight) {
+               int fio_unused ret;
+
+               ret = io_u_queued_complete(td, 1, NULL);
+       }
+}
+
 static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir)
 {
        enum fio_ddir odir = ddir ^ 1;
@@ -547,20 +565,7 @@ static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir)
        } else
                usec = td->rate_pending_usleep[ddir];
 
-       /*
-        * We are going to sleep, ensure that we flush anything pending as
-        * not to skew our latency numbers.
-        *
-        * Changed to only monitor 'in flight' requests here instead of the
-        * td->cur_depth, b/c td->cur_depth does not accurately represent
-        * io's that have been actually submitted to an async engine,
-        * and cur_depth is meaningless for sync engines.
-        */
-       while (td->io_u_in_flight) {
-               int fio_unused ret;
-
-               ret = io_u_queued_complete(td, 1, NULL);
-       }
+       io_u_quiesce(td);
 
        fio_gettime(&t, NULL);
        usec_sleep(td, usec);