From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 24 Aug 2006 14:43:29 +0000 From: Pavel Machek Subject: Re: [RFC][PATCH 4/4] deadlock prevention for NBD Message-ID: <20060824144329.GA4092@ucw.cz> References: <20060812141415.30842.78695.sendpatchset@lappy> <20060812141455.30842.41506.sendpatchset@lappy> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060812141455.30842.41506.sendpatchset@lappy> Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Indan Zupancic , Evgeniy Polyakov , Daniel Phillips , Rik van Riel , David Miller List-ID: Hi! > Limit each request to 1 page, so that the request throttling also limits the > number of in-flight pages and force the IO scheduler to NOOP as anything else > doesn't make sense anyway. I'd like to understand why it breaks with other schedulers before merging this. Maybe the failure in NOOP is just harder to trigger? Pavel -- Thanks for all the (sleeping) penguins. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org