Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 31 Mar 2003 14:06:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 31 Mar 2003 14:06:42 -0500 Received: from holomorphy.com ([66.224.33.161]:42948 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Mon, 31 Mar 2003 14:06:40 -0500 Date: Mon, 31 Mar 2003 11:17:35 -0800 From: William Lee Irwin III To: Benjamin LaHaise Cc: Janet Morgan , akpm@digeo.com, suparna@in.ibm.com, linux-aio@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [Patch 2/2] Retry based aio read - filesystem read changes Message-ID: <20030331191735.GC13178@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Benjamin LaHaise , Janet Morgan , akpm@digeo.com, suparna@in.ibm.com, linux-aio@kvack.org, linux-kernel@vger.kernel.org References: <20030305144754.A1600@in.ibm.com> <20030305150026.B1627@in.ibm.com> <20030305024254.7f154afc.akpm@digeo.com> <20030305174452.A1882@in.ibm.com> <3E8889B4.FB716506@us.ibm.com> <20030331191123.GB13178@holomorphy.com> <20030331141629.I20730@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030331141629.I20730@redhat.com> User-Agent: Mutt/1.3.28i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 973 Lines: 21 On Mon, Mar 31, 2003 at 11:11:23AM -0800, William Lee Irwin III wrote: >> Can you tell whether these are due to hash collisions or contention on >> the same page? On Mon, Mar 31, 2003 at 02:16:29PM -0500, Benjamin LaHaise wrote: > No, they're most likely waiting for io to complete. > To clean this up I've got a patch to move from aio_read/write with all the > parameters to a single parameter based rw-specific iocb. That makes the > retry for read and write more ameniable to sharing common logic akin to the > wtd_ ops, which we need at the very least for the semaphore operations. I won't get in the way then. I just watch for things related to what I've touched to make sure it isn't going wrong for anyone. -- wli - 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/