Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261386AbVCICyd (ORCPT ); Tue, 8 Mar 2005 21:54:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261437AbVCICyc (ORCPT ); Tue, 8 Mar 2005 21:54:32 -0500 Received: from fmr24.intel.com ([143.183.121.16]:14527 "EHLO scsfmr004.sc.intel.com") by vger.kernel.org with ESMTP id S261386AbVCICyb (ORCPT ); Tue, 8 Mar 2005 21:54:31 -0500 Message-Id: <200503090254.j292sGg16842@unix-os.sc.intel.com> From: "Chen, Kenneth W" To: "'Christoph Hellwig'" Cc: , "'Andrew Morton'" , "'Jens Axboe'" Subject: RE: Direct io on block device has performance regression on 2.6.x kernel - fix sync I/O path Date: Tue, 8 Mar 2005 18:54:16 -0800 X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Thread-Index: AcUkToO9qXy2PmoWSr2edGci2glK8AABJVGQ X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 In-Reply-To: <20050309022002.GA23577@infradead.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 15 Christoph Hellwig wrote on Tuesday, March 08, 2005 6:20 PM > this is not the blockdevice, but the obsolete raw device driver. Please > benchmark and if nessecary fix the blockdevice O_DIRECT codepath insted > as the raw driver is slowly going away. >From performance perspective, can raw device be resurrected? (just asking) - Ken - 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/