io_u: fix bug in rounding of generated buffer length

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index ba3f7ca00fcd1db4f657f5dcf7321fc8c9f7ca0e..50644850463f3e212381ff552f88ce056b5d83b9 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -485,7 +485,7 @@ static unsigned int __get_next_buflen(struct thread_data *td, struct io_u *io_u,
                                ~(td->o.verify_interval - 1);
 
                if (!td->o.bs_unaligned && is_power_of_2(minbs))
                                ~(td->o.verify_interval - 1);
 
                if (!td->o.bs_unaligned && is_power_of_2(minbs))

-                       buflen = (buflen + minbs - 1) & ~(minbs - 1);
+                       buflen &= ~(minbs - 1);

 
        } while (!io_u_fits(td, io_u, buflen));
 
 
        } while (!io_u_fits(td, io_u, buflen));