X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=filesetup.c;h=c9b060b7e8aba6b8cad4c498d3ee6736caaa6dc0;hp=4265e3830a73c57f0f3a1c1d24e87db6b3344d9a;hb=d01612f3ae2515eb035d0c4ce954d8cb167a0a61;hpb=5054e67c7d87f25a9eb7b647adaee5e1c9c7cc5b

diff --git a/filesetup.c b/filesetup.c
index 4265e383..c9b060b7 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -519,6 +519,13 @@ int generic_open_file(struct thread_data *td, struct fio_file *f)
 		goto skip_flags;
 	if (td->o.odirect)
 		flags |= OS_O_DIRECT;
+	if (td->o.oatomic) {
+		if (!FIO_O_ATOMIC) {
+			td_verror(td, EINVAL, "OS does not support atomic IO");
+			return 1;
+		}
+		flags |= OS_O_DIRECT | FIO_O_ATOMIC;
+	}
 	if (td->o.sync_io)
 		flags |= O_SYNC;
 	if (td->o.create_on_open)