[U-Boot] [PATCH] fs: ext4 write: return file len on success

[Stephen Warren]

On 02/17/2015 07:31 AM, Przemyslaw Marczak wrote:
> After rework of the file system API, the size of ext4
> write was missed. This causes printing unreliable write
> size at the end of the file system write operation.

Tested-by: Stephen Warren <swarren at nvidia.com>

This fixes the issue I mentioned in the DFU-related thread.