Messages in this thread | | | Date | Mon, 23 Nov 2009 00:37:49 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] [RFC] Add support for uevents on block device idle changes |
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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. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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