Add support for O_ATOMIC

[fio.git] / backend.c

diff --git a/backend.c b/backend.c
index 00a23db6ecd1dfa6caaf98124605653bd2c85c97..2ec478c1ac206ebf4163a2e854fb77002dba2366 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -926,7 +926,8 @@ static int init_io_u(struct thread_data *td)
         * overflow later. this adjustment may be too much if we get
         * lucky and the allocator gives us an aligned address.
         */
-       if (td->o.odirect || td->o.mem_align || (td->io_ops->flags & FIO_RAWIO))
+       if (td->o.odirect || td->o.mem_align || td->o.oatomic ||
+           (td->io_ops->flags & FIO_RAWIO))
                td->orig_buffer_size += page_mask + td->o.mem_align;
 
        if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) {
@@ -944,7 +945,7 @@ static int init_io_u(struct thread_data *td)
        if (data_xfer && allocate_io_mem(td))
                return 1;
 
-       if (td->o.odirect || td->o.mem_align ||
+       if (td->o.odirect || td->o.mem_align || td->o.oatomic ||
            (td->io_ops->flags & FIO_RAWIO))
                p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align;
        else