Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758456AbZKRUHW (ORCPT ); Wed, 18 Nov 2009 15:07:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758065AbZKRUHW (ORCPT ); Wed, 18 Nov 2009 15:07:22 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:33697 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758281AbZKRUHV (ORCPT ); Wed, 18 Nov 2009 15:07:21 -0500 Date: Wed, 18 Nov 2009 20:07:12 +0000 From: Matthew Garrett To: Kay Sievers Cc: David Zeuthen , linux-kernel@vger.kernel.org, axboe@kernel.dk, linux-hotplug@vger.kernel.org Subject: Re: [PATCH] [RFC] Add support for uevents on block device idle changes Message-ID: <20091118200712.GA14026@srcf.ucam.org> References: <1258468659-5446-1-git-send-email-mjg@redhat.com> <1258474180.16176.62.camel@localhost.localdomain> <20091117185742.GA19829@srcf.ucam.org> <20091118194053.GB12944@srcf.ucam.org> <20091118195342.GA13627@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 662 Lines: 16 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/