From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756946Ab0DFVjs (ORCPT ); Tue, 6 Apr 2010 17:39:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51149 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752381Ab0DFVjl (ORCPT ); Tue, 6 Apr 2010 17:39:41 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20100406213620.28251.90764.stgit@warthog.procyon.org.uk> References: <20100406213620.28251.90764.stgit@warthog.procyon.org.uk> Cc: dhowells@redhat.com, torvalds@osdl.org, akpm@linux-foundation.org, npiggin@suse.de, paulmck@linux.vnet.ibm.com, corbet@lwn.net, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] radix_tree_tag_get() is not as safe as the docs make out [ver #2] Date: Tue, 06 Apr 2010 22:38:33 +0100 Message-ID: <28335.1270589913@redhat.com> To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With this patch, I don't think I should need to modify FS-Cache. There's the possibility that we may think the page that we want to release is still being written to the disk, but that should merely defer releasepage(). David