From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Liu Subject: Re: blkback feature announcement Date: Tue, 08 Dec 2015 19:06:32 +0800 Message-ID: <5666B9B8.9010100@oracle.com> References: <566582EC02000078000BC975@prv-mh.provo.novell.com> <56657EA1.5050008@citrix.com> <56662D8A.2050205@oracle.com> <56669F2B02000078000BD096@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1a6G6U-0002Pa-Co for xen-devel@lists.xenproject.org; Tue, 08 Dec 2015 11:06:42 +0000 In-Reply-To: <56669F2B02000078000BD096@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich Cc: xen-devel , roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org Ck9uIDEyLzA4LzIwMTUgMDQ6MTMgUE0sIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDA4LjEy LjE1IGF0IDAyOjA4LCA8Ym9iLmxpdUBvcmFjbGUuY29tPiB3cm90ZToKPj4gT24gMTIvMDcvMjAx NSAwODo0MiBQTSwgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToKPj4+IEVsIDA3LzEyLzE1IGEgbGVz IDEzLjAwLCBKYW4gQmV1bGljaCBoYSBlc2NyaXQ6Cj4+Pj4gSGVsbG8sCj4+Pj4KPj4+PiBpcyB0 aGVyZSBhIHBhcnRpY3VsYXIgcmVhc29uIHdoeSAibWF4LXJpbmctcGFnZS1vcmRlciIgZ2V0cyB3 cml0dGVuIGluCj4+Pj4geGVuX2Jsa2JrX3Byb2JlKCksIGJ1dCBlLmcuICJmZWF0dXJlLW1heC1p bmRpcmVjdC1zZWdtZW50cyIgYW5kCj4+Pj4gImZlYXR1cmUtcGVyc2lzdGVudCIgZ2V0IHdyaXR0 ZW4gb25seSBpbiBjb25uZWN0KCksIGRlc3BpdGUgYm90aCBoYXZpbmcKPj4+PiBjb25zdGFudCB2 YWx1ZXMgKGFuZCBoZW5jZSB0aGUgbm9kZSB2YWx1ZSBlZmZlY3RpdmVseSBiZWluZyBrbm93biBh cwo+Pj4+IHNvb24gYXMgdGhlIGRldmljZSBleGlzdHMpPwo+Pj4KPj4+IE5vLCBBRkFJSyB0aGVy ZSdzIG5vIHNwZWNpZmljIHJlYXNvbi4KPj4+Cj4+Cj4+IEFGQUlSLCB0aGF0J3MgZm9yIHRoZSBi bGtmcm9udCByZXN1bWUgcGF0aC4KPj4KPj4gV2UgbmVlZCB0byBnZXQgdGhlICJtYXgtcmluZy1w YWdlLW9yZGVyIiBpbiBibGtmcm9udF9yZXN1bWUoKSBpbiBhZHZhbmNlLCBzbyAKPj4gdGhhdCB3 ZSBjYW4ga25vdyBob3cgbWFueSByaW5nIHBhZ2VzIHRvIGJlIHVzZWQgYmVmb3JlIHNldHVwX2Js a3JpbmcoKS4KPiAKPiBJIGRvbid0IGZvbGxvdyAtIHRoZSBwcm9wb3NhbCBpcyB0byBoYXZlIHRo ZSBiYWNrZW5kIGFubm91bmNlIHRoZQo+IGZlYXR1cmUgX2VhcmxpZXJfLCBzbyBob3cgY291bGQg ZnJvbnRlbmQgcmVzdW1lIGJlIGFmZmVjdGVkPwo+IAoKVGhlIGZyb250ZW5kIHJlc3VtZSBpcyBs aWtlIHRoaXM6CgpibGtmcm9udF9yZXN1bWUoKQogICAgID4gYmxraWZfZnJlZSgpCiAgICAgPiB0 YWxrX3RvX2Jsa2JhY2soKQogICAgICAgICA+IHNldHVwX2Jsa3JpbmcoKSBldGMuCgpibGtiYWNr X2NoYW5nZWQoKQogICAgID4gYmxrZnJvbnRfY29ubmVjdCgpCgoKU29tZXRpbWVzIHRoZSAibWF4 LXJpbmctcGFnZS1vcmRlciIgb2YgYmFja2VuZCBtYXkgaGF2ZSBjaGFuZ2VkIGFmdGVyIHRoZSBn dWVzdChmcm9udGVuZCkgbWlncmF0ZWQgdG8gYSBkaWZmZXJlbnQgbWFjaGluZSwKdGhlIGZyb250 ZW5kIG11c3QgYXdhcmUgb2YgdGhpcyBjaGFuZ2Ugc28gdGhhdCBoYXZlIHRvIGdldCB0aGUgbmV3 IHZhbHVlIG9mICJtYXgtcmluZy1wYWdlLW9yZGVyIiBpbiBibGtmcm9udF9yZXN1bWUoKS4KCkJ1 dCBpdCB3b3VsZCBiZSB0b28gbGF0ZSBpZiB0aGUgYmFja2VuZCBhbm5vdW5jZXMgdGhlICJtYXgt cmluZy1wYWdlLW9yZGVyIiBpbiBjb25uZWN0KCksIHRoaXMgc2l0dWF0aW9uIGlzIGxpa2U6Cgpi bGtmcm9udF9yZXN1bWUoKQogICAgID4gYmxraWZfZnJlZSgpCiAgICAgPiB0YWxrX3RvX2Jsa2Jh Y2soKQoJIF5eXiBHZXQgYSB3cm9uZyAibWF4LXJpbmctcGFnZS1vcmRlciIKICAgICAgICAgPiBz ZXR1cF9ibGtyaW5nKCkgZXRjLiBidXQgdXNpbmcgdGhlIHdyb25nIHZhbHVlISEKCmJsa2JhY2tf Y2hhbmdlZCgpCiAgICAgPiBibGtmcm9udF9jb25uZWN0KCkKICAgICAgIF5eXiBUaGVuIHRoZSBj b25uZWN0KCkgaW4gYmFja2VuZCB3aWxsIGJlIGNhbGxlZChhZnRlciBmcm9udGVuZCBlbnRlciBY ZW5idXNTdGF0ZUNvbm5lY3RlZCkgYW5kIHdyaXRlIHRoZSBjb3JyZWN0ICJtYXgtcmluZy1wYWdl LW9yZGVyIiwgYnV0IGl0J3MgdG9vIGxhdGUuCgpCb2IKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==