X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=engines%2Fsync.c;h=597ee0127a39d1a5d30f0609d366b3fb5d9230e7;hb=ad92396cc21055cee93470dcf65e82ccde03aac5;hp=b1776d210d4cb42765935238b747d047870e34ec;hpb=b5af82930ccfd7dda6a1b11794efb452eb76d8dc;p=fio.git

diff --git a/engines/sync.c b/engines/sync.c
index b1776d21..597ee012 100644
--- a/engines/sync.c
+++ b/engines/sync.c
@@ -1,5 +1,8 @@
 /*
- * regular read/write sync io engine
+ * sync engine
+ *
+ * IO engine that does regular read(2)/write(2) with lseek(2) to transfer
+ * data.
  *
  */
 #include <stdio.h>
@@ -9,7 +12,6 @@
 #include <assert.h>
 
 #include "../fio.h"
-#include "../os.h"
 
 static int fio_syncio_prep(struct thread_data *td, struct io_u *io_u)
 {
@@ -33,6 +35,8 @@ static int fio_syncio_queue(struct thread_data *td, struct io_u *io_u)
 	struct fio_file *f = io_u->file;
 	int ret;
 
+	fio_ro_check(td, io_u);
+
 	if (io_u->ddir == DDIR_READ)
 		ret = read(f->fd, io_u->xfer_buf, io_u->xfer_buflen);
 	else if (io_u->ddir == DDIR_WRITE)