Re: [PATCH] Check bio address after mapping through partitions.

From: Jens Axboe
Date: Tue Oct 31 2006 - 02:14:11 EST


On Tue, Oct 31 2006, NeilBrown wrote:
> This would be good for 2.6.19 and even 18.2, if it is seens acceptable.
> raid0 at least (possibly other) can be made to Oops with a bad partition
> table and best fix seem to be to not let out-of-range request get down
> to the device.
>
> ### Comments for Changeset
>
> Partitions are not limited to live within a device. So
> we should range check after partition mapping.
>
> Note that 'maxsector' was being used for two different things. I have
> split off the second usage into 'old_sector' so that maxsector can be
> still be used for it's primary usage later in the function.
>
> Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
> Signed-off-by: Neil Brown <neilb@xxxxxxx>

Code looks good to me, but for some reason your comment exceeds 80
chars. Can you please fix that up?

Acked-by: Jens Axboe <jens.axboe@xxxxxxxxxx>

--
Jens Axboe

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