Catch the case where size= is less than the minimum block size
Fio will currently just attempt to start and immediately exit,
with no clue as to what went wrong. The behaviour is correct
in the sense that there's nothing to output, but it can be a
little confusing.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/fio.h b/fio.h
index ebf6309..5438b76 100644
--- a/fio.h
+++ b/fio.h
@@ -535,6 +535,14 @@
return max(td->o.max_bs[DDIR_TRIM], max_bs);
}
+static inline unsigned int td_min_bs(struct thread_data *td)
+{
+ unsigned int min_bs;
+
+ min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
+ return min(td->o.min_bs[DDIR_TRIM], min_bs);
+}
+
static inline int is_power_of_2(unsigned int val)
{
return (val != 0 && ((val & (val - 1)) == 0));