On Mon, Nov 26 2007, Tejun Heo wrote:
quoted text
> Add more safeguards to protect against misinterpreting a chain entry
> as a normal scatterlist and vice-versa.
> 
> * Make sure the entry isn't a chain when assigning and reading a
>   normal sg.
> 
> * Clear offset and length when chaining.
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> ---
> While converting libata to use chained-sg, I felt a bit insecure and
> added a few more safe guards.  Feel free to include or ignore them.

Looks sane, thanks Tejun! Will apply it.

-- 
Jens Axboe

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