Upstream 3.0.33-34

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/?h=linux-3.0.y

In Allready:
ext4: add missing save_error_info() to ext4_error()
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-3.0.y&id=801bdd926b6229da233f6db25770c9e817f98d4e