Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266138AbUF2XUx (ORCPT ); Tue, 29 Jun 2004 19:20:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266139AbUF2XUx (ORCPT ); Tue, 29 Jun 2004 19:20:53 -0400 Received: from kinesis.swishmail.com ([209.10.110.86]:62982 "EHLO kinesis.swishmail.com") by vger.kernel.org with ESMTP id S266138AbUF2XUn (ORCPT ); Tue, 29 Jun 2004 19:20:43 -0400 Message-ID: <40E1FE21.7090905@techsource.com> Date: Tue, 29 Jun 2004 19:41:21 -0400 From: Timothy Miller MIME-Version: 1.0 To: Andreas Dilger CC: Markus Schaber , Linux Kernel Mailing List Subject: Re: Block Device Caching References: <20040630002014.4970b82d@kingfisher.intern.logi-track.com> <20040629224622.GQ15166@schnapps.adilger.int> In-Reply-To: <20040629224622.GQ15166@schnapps.adilger.int> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 522 Lines: 19 Andreas Dilger wrote: > > > When you close the block device it flushes the cache for that device (inode). > If you kept the device open in some way (e.g. "sleep 10000000 < /dev/hda5") > then it should start caching the data between dd runs. > Ok, now THIS makes sense. - 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/