[Yaffs] [PATCH 08/20] Implemented data synchronization.

From: Sebastian Huber <sebastian.huber@embedded-brains.de>

---
rtems/rtems_yaffs.c | 20 ++++++++++++++++++--
1 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/rtems/rtems_yaffs.c b/rtems/rtems_yaffs.c
index 4fc4115..d987685 100644
--- a/rtems/rtems_yaffs.c
+++ b/rtems/rtems_yaffs.c
@@ -20,7 +20,7 @@
*/

#include <rtems.h>
-#include <rtems/libio.h>
+#include <rtems/libio_.h>
#include <rtems/seterr.h>
#include <rtems/userenv.h>
#include <errno.h>
@@ -633,7 +633,23 @@ static int ycb_fchmod(rtems_filesystem_location_info_t *loc, mode_t mode)

 static int ycb_fdatasync(rtems_libio_t *iop)
 {
-    return 0;
+    const rtems_filesystem_location_info_t *pathinfo = &iop->pathinfo;
+    struct yaffs_obj *obj = pathinfo->node_access;
+    struct yaffs_dev *dev = obj->my_dev;
+    int yc = YAFFS_OK;
+
+    ylock(dev);
+    yc = yaffs_flush_file(obj, 0, 1);
+    if (rtems_filesystem_is_root_location(pathinfo)) {
+        yaffs_flush_whole_cache(dev);
+    }
+    yunlock(dev);
+
+    if (yc == YAFFS_OK) {
+        return 0;
+    } else {
+        rtems_set_errno_and_return_minus_one(EIO);
+    }
 }

static int ycb_dir_rmnod(rtems_filesystem_location_info_t *parent_loc, rtems_filesystem_location_info_t *pathloc)
--
1.7.4.1