Re: [PATCH] [RFC] Add support for uevents on block device idle changes

Matthew Garrett
2009-11-18T20:07:22Z

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.
--
Matthew Garrett | mjg59@srcf.ucam.org