Messages in this thread | | | Subject | Re: [PATCH for-2.6.37] block: max hardware sectors limit wrapper | From | "Martin K. Petersen" <> | Date | Thu, 16 Dec 2010 18:49:18 -0500 |
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>>>>> "Mike" == Mike Snitzer <snitzer@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@oracle.com>
Jens, please apply.
-- Martin K. Petersen Oracle Linux Engineering
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