From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030621AbWKOUGp (ORCPT ); Wed, 15 Nov 2006 15:06:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030653AbWKOUGp (ORCPT ); Wed, 15 Nov 2006 15:06:45 -0500 Received: from wx-out-0506.google.com ([66.249.82.234]:26815 "EHLO wx-out-0506.google.com") by vger.kernel.org with ESMTP id S1030621AbWKOUGo (ORCPT ); Wed, 15 Nov 2006 15:06:44 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=CCGAjeAaACPVEA2ty67i3bcL7U6XOBwr5QFf96DMPaMSfM0QHvVG2PHOnTyQ1yR6yxschI4OYakF09OToYO0LilNKrA0u1tMu9fpAffaebYv3x35Tq5B09fDlmAlNUIRv4fDGRZn6IZMIeaqvizZXQIH6IhriMFo9QZgJDtC2w0= Message-ID: Date: Wed, 15 Nov 2006 22:06:43 +0200 From: "Yakov Lerner" To: Kernel Subject: locking sectors of raw disk (raw read-write test of mounted disk) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I'd like to make read-write test of the raw disk, and disk has mounted partitions. Is it possible to lock range of sectors of the raw device so that any kernel code that wants to write to this range will sleep ? (so that test { lock range; read /dev/hda->buf; write buf->/dev/hda; unlock } won't corrupt the filesysyem ?) Thanks Yakov