Re: [dm-devel] REQUEST for new 'topology' metrics to be moved out of the 'queue' sysfs directory.

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On Fri, Jun 26 2009, NeilBrown wrote:
> On Fri, June 26, 2009 11:16 pm, NeilBrown wrote:
> > On Fri, June 26, 2009 10:50 pm, Jens Axboe wrote:
> >> On Fri, Jun 26 2009, Neil Brown wrote:
> >
> >>> But for now, please please please can we revert the change which made
> >>> 'queue' appear in md and dm devices, (and loop and ...) and put these
> >>> generic values somewhere ... generic?
> >>
> >> No we cannot, not without a time machine. 2.6.30 is released, so it's
> >> too late to revert things like that, even if we wanted.
> >
> > Drat... for some reason I was thinking that it only came in in 2.6.31-rc.
> > However it is only documented in ABI/testing, not ABI/stable ... if there
> > is any value in that distinction, then it should be possible to move it??
> >
> 
> No, wait.  I was right.  The addition of 'queue' to md/dm devices
> happened post-2.6.30.   So are the additions of physical_block_size etc.
> So there is still time to put these in a properly generic place.

Yes you are right, the commit date had me fooled.

> Do you have a good reason for them going in /queue?

Do you have a good reason for moving them? Im my opinion that makes the
separation between ->make_request_fn and ->request_fn devices bigger.

-- 
Jens Axboe

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