[dm-devel] [PATCH 2/3] block: Move non-rotational flag to queue limits

[Mike Snitzer]

On Mon, May 30 2011 at 10:19pm -0400,
Martin K. Petersen <martin.petersen at oracle.com> wrote:

> >>>>> "Mike" == Mike Snitzer <snitzer at redhat.com> writes:
> 
> Mike> blk_queue_nonrot vs blk_queue_non_rotational lends itself to a
> Mike> small amount of confusion.
> 
> Yeah, I just didn't feel like mucking with the existing call. But it
> looks like there are only a handful of users.
> 
> 
> Mike> What about:
> Mike>  s/blk_queue_nonrot/blk_queue_non_rotational/
> Mike>  s/blk_queue_non_rotational/blk_queue_set_non_rotational/
> Mike> ?
> 
> Most of our other block layer calls take the form blk_queue_max_foo()
> for setting foo and {bdev,queue}_max_foo() for querying.
> 
> So I guess the most appropriate thing to do would be to do something
> like this?
> 
> 
> block: Move non-rotational flag to queue limits
> 
> To avoid special-casing the non-rotational flag when stacking it is
> moved from the queue flags to be part of the queue limits. This allows
> us to handle it like the remaining I/O topology information.
> 
> Also rename blk_queue_nonrot() to be consistent with block layer calling
> conventions.
> 
> Signed-off-by: Martin K. Petersen <martin.petersen at oracle.com>

Acked-by: Mike Snitzer <snitzer at redhat.com>