Messages in this thread | | | Date | Mon, 23 Nov 2009 14:12:55 +0000 | From | Matthew Garrett <> | Subject | Re: [PATCH] [RFC] Add support for uevents on block device idle changes |
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On Mon, Nov 23, 2009 at 12:37:49AM +0100, Pavel Machek wrote: > On Wed 2009-11-18 20:07:12, Matthew Garrett wrote: > > On Wed, Nov 18, 2009 at 09:03:21PM +0100, Kay Sievers wrote: > > > > > Sure, but what's wrong with reading that file every 50 seconds? Almost > > > all boxes poll for media changes of optical drives and usb card > > > readers anyway, so it's not that we are not doing stuff like this > > > already. > > > > We poll for media because there's no event-based way of avoiding it - in > > this case there is. > > ...when you add overhead to every disk operation. I'd say that polling > once in 50 seconds is preferable to that.
Yeah, but 50 seconds isn't the timescale we're talking about here.
-- Matthew Garrett | mjg59@srcf.ucam.org
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