Re: [PATCH] block: use min_not_zero in blk_queue_stack_limits

[Jens Axboe]

On Thu, Dec 04 2008, FUJITA Tomonori wrote:
> This is against for-2.6.29 in the block tree.
> =
> From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
> Subject: [PATCH] block: use min_not_zero in blk_queue_stack_limits
> 
> zero is invalid for max_phys_segments, max_hw_segments, and
> max_segment_size. It's better to use use min_not_zero instead of
> min. min() works though (because the commit 0e435ac makes sure that
> these values are set to the default values, non zero, if a queue is
> initialized properly).
> 
> With this patch, blk_queue_stack_limits does the almost same thing
> that dm's combine_restrictions_low() does. I think that it's easy to
> remove dm's combine_restrictions_low.

Queued up for 2.6.29. It would be nice to get rid of the dm mirror of
this function...

-- 
Jens Axboe

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