UBI: add fsync capability
Now, we can call fsync() on an UBI volume.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index e63c8fc..f8e0f68 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -186,6 +186,16 @@
return new_offset;
}
+static int vol_cdev_fsync(struct file *file, struct dentry *dentry,
+ int datasync)
+{
+ struct ubi_volume_desc *desc = file->private_data;
+ struct ubi_device *ubi = desc->vol->ubi;
+
+ return ubi_sync(ubi->ubi_num);
+}
+
+
static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count,
loff_t *offp)
{
@@ -1073,6 +1083,7 @@
.llseek = vol_cdev_llseek,
.read = vol_cdev_read,
.write = vol_cdev_write,
+ .fsync = vol_cdev_fsync,
.unlocked_ioctl = vol_cdev_ioctl,
.compat_ioctl = vol_cdev_compat_ioctl,
};
