[dm-devel] [PATCH for-2.6.37] block: max hardware sectors limit wrapper

[Jens Axboe]

On 2010-12-17 00:49, Martin K. Petersen wrote:
>>>>>> "Mike" == Mike Snitzer <snitzer at redhat.com> writes:
> 
> Mike> Implement blk_limits_max_hw_sectors() and make
> Mike> blk_queue_max_hw_sectors() a wrapper around it.
> 
> Mike> DM needs this to avoid setting queue_limits' max_hw_sectors and
> Mike> max_sectors directly.  dm_set_device_limits() now leverages
> Mike> blk_limits_max_hw_sectors() logic to establish the appropriate
> Mike> max_hw_sectors minimum (PAGE_SIZE).  Fixes issue where DM was
> Mike> incorrectly setting max_sectors rather than max_hw_sectors (which
> Mike> caused dm_merge_bvec()'s max_hw_sectors check to be ineffective).
> 
> Acked-by: Martin K. Petersen <martin.petersen at oracle.com>
> 
> Jens, please apply.

Thanks, it's in.

-- 
Jens Axboe