From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44378) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XromH-0007bi-CA for qemu-devel@nongnu.org; Fri, 21 Nov 2014 09:01:45 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xrom5-0006pJ-9W for qemu-devel@nongnu.org; Fri, 21 Nov 2014 09:01:37 -0500 Received: from e06smtp16.uk.ibm.com ([195.75.94.112]:41127) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xrom5-0006oh-03 for qemu-devel@nongnu.org; Fri, 21 Nov 2014 09:01:25 -0500 Received: from /spool/local by e06smtp16.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 21 Nov 2014 14:01:23 -0000 Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp02.portsmouth.uk.ibm.com (Postfix) with ESMTP id E27C62190043 for ; Fri, 21 Nov 2014 14:00:52 +0000 (GMT) Received: from d06av09.portsmouth.uk.ibm.com (d06av09.portsmouth.uk.ibm.com [9.149.37.250]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sALE1JDb47186114 for ; Fri, 21 Nov 2014 14:01:19 GMT Received: from d06av09.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av09.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sALE1JTi023935 for ; Fri, 21 Nov 2014 07:01:19 -0700 Message-ID: <546F45AE.4050203@de.ibm.com> Date: Fri, 21 Nov 2014 15:01:18 +0100 From: Christian Borntraeger MIME-Version: 1.0 References: <1416392276-10408-1-git-send-email-tumanova@linux.vnet.ibm.com> In-Reply-To: <1416392276-10408-1-git-send-email-tumanova@linux.vnet.ibm.com> Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 0/6] Geometry and blocksize support for backing devices List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Ekaterina Tumanova , Public KVM Mailing List Cc: kwolf@redhat.com, armbru@redhat.com, mihajlov@linux.vnet.ibm.com, dahi@linux.vnet.ibm.com, stefanha@redhat.com, cornelia.huck@de.ibm.com, pbonzini@redhat.com Am 19.11.2014 um 11:17 schrieb Ekaterina Tumanova: > Hi folks, > > I'm sorry for the recent spam. I messed up during code submission last time. > So please ignore any previous notes you received from me and answer only to > this thread. > > This is the rework of the geometry+blocksize patch, which was > recently discussed here: > http://lists.gnu.org/archive/html/qemu-devel/2014-11/msg01148.html > > Markus suggested that we only detect blocksize and geometry for DASDs. > > According to this agreement new version contains DASD special casing. > The driver methods are implemented only for "host_device" and inner hdev_xxx > functions check if the backing storage is a DASD by means of > BIODASDINFO2 ioctl. > > Original patchset can be found here: > http://lists.gnu.org/archive/html/qemu-devel/2014-07/msg03791.html I have done some review on the patches itself, but the overall direction if this is the way to do for the block layer has to come from Kevin, Stefan or Markus. Christian