Re: [PATCH 1/3] block: Add blk_queue_copy_limits()

[Jens Axboe]

On Fri, Sep 18 2009, Jens Axboe wrote:
> On Sat, Sep 19 2009, Jun'ichi Nomura wrote:
> > This patch is a preparation for the last patch in this patchset
> > which changes blk_set_default_limits() to set 0 to max_sectors.
> > 
> > dm uses blk_stack_limits() to merge limits of underlying devices
> > and copy the end result to the queue.
> > But if there's no underlying device (like 'zero' target),
> > max_sectors/max_hw_sectors are left unchanged from the default 0
> > and just copying it to the queue causes problems.
> > 
> > Provide blk_queue_copy_limits() to get a safe copy with
> > invalid values fixed-up.
> 
> Added for 2.6.32.

And removed, it's white space damaged and doesn't apply to the current
tree.

-- 
Jens Axboe

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