[dm-devel] [PATCH v2] dm: Fix alignment stacking on partitioned devices

Martin K. Petersen martin.petersen at oracle.com
Wed Jan 6 04:16:13 UTC 2010


>>>>> "Mike" == Mike Snitzer <snitzer at redhat.com> writes:

Mike> But even with your blk_off_t patch (and prior to it with sector_t)
Mike> you're mixing int with blk_off_t in blk_stack_limits() by doing:

Mike>         alignment = queue_limit_alignment_offset(b, offset);

Mike> This helped motivate my "blind" conversion.

Yeah.  However, that particular wart is fixed by an unrelated patch in
my queue wrt. discard alignment.  But I wanted something you guys could
look at that applied on top of upstream.

I'm tinkering with a few things on this end to see if I can make
the distinction between an offset and an alignment obvious.

-- 
Martin K. Petersen	Oracle Linux Engineering




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