#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/smp_lock.h>
+#include <linux/gfp.h>
#include <asm/uaccess.h>
.aio_read = generic_file_aio_read,
.write = do_sync_write,
.aio_write = blkdev_aio_write,
+ .fsync = blkdev_fsync,
.open = raw_open,
.release= raw_release,
.ioctl = raw_ioctl,