Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751417AbZKSLJm (ORCPT ); Thu, 19 Nov 2009 06:09:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750939AbZKSLJl (ORCPT ); Thu, 19 Nov 2009 06:09:41 -0500 Received: from mail-fx0-f221.google.com ([209.85.220.221]:59589 "EHLO mail-fx0-f221.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750716AbZKSLJk (ORCPT ); Thu, 19 Nov 2009 06:09:40 -0500 MIME-Version: 1.0 In-Reply-To: <20091118213355.GA16630@srcf.ucam.org> References: <20091117185742.GA19829@srcf.ucam.org> <20091118194053.GB12944@srcf.ucam.org> <20091118195342.GA13627@srcf.ucam.org> <20091118200712.GA14026@srcf.ucam.org> <20091118213355.GA16630@srcf.ucam.org> From: Kay Sievers Date: Thu, 19 Nov 2009 12:09:30 +0100 Message-ID: Subject: Re: [PATCH] [RFC] Add support for uevents on block device idle changes To: Matthew Garrett Cc: David Zeuthen , linux-kernel@vger.kernel.org, axboe@kernel.dk, linux-hotplug@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 870 Lines: 20 On Wed, Nov 18, 2009 at 22:33, Matthew Garrett wrote: > On Wed, Nov 18, 2009 at 10:06:33PM +0100, Kay Sievers wrote: > >> That's true, but I think there is a significant difference between >> polling every one or two seconds for media changes, and usually one or >> two minutes for a disk idle. It's not that we poll in a rather hight >> frequency, in an arbitrary interval, and check if some condition is >> met. > > My use cases are on the order of a second. Ok, what's the specific use case, which should be triggered after a second? I thought you were thinking about disk spindown or similar. Kay -- 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/