[3.0-stable PATCH 35/36] xfs: zero allocation_args on the kernel stack

[Mark Tinguely]

On 12/11/12 17:56, Dave Chinner wrote:
> On Mon, Dec 03, 2012 at 05:42:43PM -0600, Mark Tinguely wrote:
>> From: Mark Tinguely<tinguely at sgi.com>
>>
>> Upstream commit: a00416844b8f4b0106344bdfd90fe45a854b1d05
>>
>>      xfs: zero allocation_args on the kernel stack
>>
>>      Zero the kernel stack space that makes up the xfs_alloc_arg structures.
>
> Without the stack switching patches in the tree, this doesn't fix
> any real problem.
>
> Cheers,
>
> Dave.

There are other users of the xfs_alloc_arg.userdata other than the
former version of the allocation worker.

--Mark.