From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [patch 2/4] ibmvscsi.c: limit size of I/O requests Date: Tue, 30 Nov 2004 08:54:58 +0100 Message-ID: <20041130075457.GD10450@suse.de> References: <20041129203107.GB31011@cs.umn.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ns.virtualhost.dk ([195.184.98.160]:32972 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S262003AbUK3Hz1 (ORCPT ); Tue, 30 Nov 2004 02:55:27 -0500 Content-Disposition: inline In-Reply-To: <20041129203107.GB31011@cs.umn.edu> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: sleddog@us.ibm.com On Mon, Nov 29 2004, Dave C Boutcher wrote: > Description: Limit the size of I/O requests sent by the > ibmvscsi adapter. With better I/O scheduling (and thus larger > requests) we were breaking some servers. Nack, why can't you use /dev/block/xxx/queue/max_sectors_kb to control this? -- Jens Axboe