From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:40170) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TRIOi-0003Ob-OX for qemu-devel@nongnu.org; Thu, 25 Oct 2012 04:02:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TRIOe-0001AO-1z for qemu-devel@nongnu.org; Thu, 25 Oct 2012 04:02:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45954) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TRIOd-0001AI-QG for qemu-devel@nongnu.org; Thu, 25 Oct 2012 04:02:31 -0400 Message-ID: <5088F212.5050101@redhat.com> Date: Thu, 25 Oct 2012 10:02:26 +0200 From: Kevin Wolf MIME-Version: 1.0 References: <93cf825d-ecca-4367-8b74-4a69c53b5801@mailpro> <5088EE6A.6050102@redhat.com> <5088EFAF.9000004@redhat.com> In-Reply-To: <5088EFAF.9000004@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] qemu-img convert with block driver without .bdrv_create (like iscsi) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: ronnie sahlberg , qemu-devel , Alexandre DERUMIER Am 25.10.2012 09:52, schrieb Paolo Bonzini: > Il 25/10/2012 09:46, Kevin Wolf ha scritto: >>>> 1)add a .bdrv_create in block/iscsi.c ? >>>> >>>> (like host_device block driver, only open/close the device and check if size if big enough) >> Yes, this is the right way. > > Could it be a default implementation of .bdrv_create (i.e. something > you'd do in bdrv_create if the protocol doesn't have it)? No, there are block drivers that really can't create images. They should keep failing. Kevin