From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269309AbUHZRpR (ORCPT ); Thu, 26 Aug 2004 13:45:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269305AbUHZRo0 (ORCPT ); Thu, 26 Aug 2004 13:44:26 -0400 Received: from eagle.rtlogic.com ([216.87.68.236]:38063 "EHLO eagle.rtlogic.com") by vger.kernel.org with ESMTP id S269308AbUHZRj5 (ORCPT ); Thu, 26 Aug 2004 13:39:57 -0400 Message-ID: <412E2058.60302@rtlogic.com> Date: Thu, 26 Aug 2004 11:39:36 -0600 From: David Rolenc Reply-To: drolenc@rtlogic.com Organization: RT Logic! User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7b) Gecko/20040316 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: POSIX_FADV_NOREUSE and O_STREAMING behavior in 2.6.7 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I am trying to get O_STREAMING (Robert Love patch for 2.4) behavior in 2.6 and just a glance at fadvise.c suggests that POSIX_FADV_NOREUSE is not implemented any differently than POSIX_FADV_WILLNEED. Am I missing something? I want to read data from disk with readahead and drop the data from the page cache as soon as I am done with it. Do I have to call fadvise with POSIX_FADV_DONTNEED after every read? Thanks, David Rolenc RT Logic! www.rtlogic.com