From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 5 Aug 2002 07:28:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 5 Aug 2002 07:28:48 -0400 Received: from mailout09.sul.t-online.com ([194.25.134.84]:34029 "EHLO mailout09.sul.t-online.com") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Mon, 5 Aug 2002 07:28:47 -0400 Content-Type: text/plain; charset="us-ascii" From: Marc-Christian Petersen To: linux-kernel@vger.kernel.org Subject: 2.4.19' drivers/block/ll_rw_blk.c Date: Mon, 5 Aug 2002 12:23:29 +0200 X-Mailer: KMail [version 1.4] Organization: Linux-Systeme GmbH Cc: Marcelo Tosatti , Adrian Bunk X-PRIORITY: 2 (High) MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Message-Id: <200208051223.29329.mcp@linux-systeme.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi there, could you please consider changing those very slow behaviour in "drivers/block/ll_rw_blk.c"? ... Benchmarked against 2.4.18 this is horribly slower ... Doing some heavy disk i/o, want to start another thing, system freeze for some seconds ... Opening a xterm , Ctrl-D to leave, this takes about 5 seconds and somewhat is doing flushing to the disk. Maybe req_finished_io ? Adrian, could this be the problem you've experienced? Afaik this was changed for 2.4.19-pre7 and above. -- Kind regards Marc-Christian Petersen http://sourceforge.net/projects/wolk PGP/GnuPG Key: 1024D/408B2D54947750EC Fingerprint: 8602 69E0 A9C2 A509 8661 2B0B 408B 2D54 9477 50EC Key available at www.keyserver.net. Encrypted e-mail preferred.