From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mohammed Gamal Subject: Re: [Qemu-devel] [GSoC 2010] Pass-through filesystem support. Date: Mon, 12 Apr 2010 10:15:28 +0200 Message-ID: References: <20100409212212.GB31666@shareable.org> <20100410121247.GA18080@shareable.org> <20100411222958.GB27990@shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Javier Guerra Giraldez , Anthony Liguori , Cam Macdonell , qemu-devel@nongnu.org, kvm-devel To: Jamie Lokier Return-path: Received: from fg-out-1718.google.com ([72.14.220.158]:54801 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752403Ab0DLIP3 (ORCPT ); Mon, 12 Apr 2010 04:15:29 -0400 Received: by fg-out-1718.google.com with SMTP id 19so1352111fgg.1 for ; Mon, 12 Apr 2010 01:15:28 -0700 (PDT) In-Reply-To: <20100411222958.GB27990@shareable.org> Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Apr 12, 2010 at 12:29 AM, Jamie Lokier wrote: > Javier Guerra Giraldez wrote: >> On Sat, Apr 10, 2010 at 7:42 AM, Mohammed Gamal wrote: >> > On Sat, Apr 10, 2010 at 2:12 PM, Jamie Lokier wrote: >> >> To throw a spanner in, the most widely supported filesystem across >> >> operating systems is probably NFS, version 2 :-) >> > >> > Remember that Windows usage on a VM is not some rare use case, and >> > it'd be a little bit of a pain from a user's perspective to have to >> > install a third party NFS client for every VM they use. Having >> > something supported on the VM out of the box is a better option IMO. >> >> i don't think virtio-CIFS has any more support out of the box (on any >> system) than virtio-9P. > > It doesn't, but at least network-CIFS tends to work ok and is the > method of choice for Windows VMs - when you can setup Samba on the > host (which as previously noted you cannot always do non-disruptively > with current Sambas). > > -- Jamie > I think having support for both 9p and CIFS would be the best option. In that case the user will have the option to use either one, depending on how their guests support these filesystems. In that case I'd prefer to work on CIFS support while the 9p effort can still go on. I don't think both efforts are mutually exclusive. What do the rest of you guys think? Regards, Mohammed From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O1Ent-0004f4-Lq for qemu-devel@nongnu.org; Mon, 12 Apr 2010 04:15:33 -0400 Received: from [140.186.70.92] (port=35093 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O1Ens-0004eS-Ab for qemu-devel@nongnu.org; Mon, 12 Apr 2010 04:15:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O1Enr-00075V-9a for qemu-devel@nongnu.org; Mon, 12 Apr 2010 04:15:32 -0400 Received: from mail-bw0-f209.google.com ([209.85.218.209]:48220) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O1Enr-000757-4V for qemu-devel@nongnu.org; Mon, 12 Apr 2010 04:15:31 -0400 Received: by bwz1 with SMTP id 1so906317bwz.2 for ; Mon, 12 Apr 2010 01:15:29 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20100411222958.GB27990@shareable.org> References: <20100409212212.GB31666@shareable.org> <20100410121247.GA18080@shareable.org> <20100411222958.GB27990@shareable.org> Date: Mon, 12 Apr 2010 10:15:28 +0200 Message-ID: Subject: Re: [Qemu-devel] [GSoC 2010] Pass-through filesystem support. From: Mohammed Gamal Content-Type: text/plain; charset=ISO-8859-1 List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jamie Lokier Cc: Anthony Liguori , Cam Macdonell , qemu-devel@nongnu.org, kvm-devel , Javier Guerra Giraldez On Mon, Apr 12, 2010 at 12:29 AM, Jamie Lokier wrote: > Javier Guerra Giraldez wrote: >> On Sat, Apr 10, 2010 at 7:42 AM, Mohammed Gamal wrote: >> > On Sat, Apr 10, 2010 at 2:12 PM, Jamie Lokier wrote: >> >> To throw a spanner in, the most widely supported filesystem across >> >> operating systems is probably NFS, version 2 :-) >> > >> > Remember that Windows usage on a VM is not some rare use case, and >> > it'd be a little bit of a pain from a user's perspective to have to >> > install a third party NFS client for every VM they use. Having >> > something supported on the VM out of the box is a better option IMO. >> >> i don't think virtio-CIFS has any more support out of the box (on any >> system) than virtio-9P. > > It doesn't, but at least network-CIFS tends to work ok and is the > method of choice for Windows VMs - when you can setup Samba on the > host (which as previously noted you cannot always do non-disruptively > with current Sambas). > > -- Jamie > I think having support for both 9p and CIFS would be the best option. In that case the user will have the option to use either one, depending on how their guests support these filesystems. In that case I'd prefer to work on CIFS support while the 9p effort can still go on. I don't think both efforts are mutually exclusive. What do the rest of you guys think? Regards, Mohammed