Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755425Ab0F3KOM (ORCPT ); Wed, 30 Jun 2010 06:14:12 -0400 Received: from bld-mail13.adl6.internode.on.net ([150.101.137.98]:36661 "EHLO mail.internode.on.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755329Ab0F3KOK (ORCPT ); Wed, 30 Jun 2010 06:14:10 -0400 Date: Wed, 30 Jun 2010 20:13:54 +1000 From: Dave Chinner To: npiggin@suse.de Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, John Stultz , Frank Mayhar Subject: Re: [patch 52/52] fs: icache less I_FREEING time Message-ID: <20100630101354.GK24712@dastard> References: <20100624030212.676457061@suse.de> <20100624030734.042332166@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100624030734.042332166@suse.de> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 721 Lines: 20 On Thu, Jun 24, 2010 at 01:03:04PM +1000, npiggin@suse.de wrote: > Problem with inode reclaim is that it puts inodes into I_FREEING state > and then continues to gather more, during which it may iput, > invalidate_mapping_pages, be preempted, etc. Holding these inodes in > I_FREEING can cause pauses. What sort of pauses? I can't see how holding a few inodes in I_FREEING state would cause any serious sort of holdoff... Cheers, Dave. -- Dave Chinner david@fromorbit.com -- 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/