From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH 1/2] xen-blkfront: don't call talk_to_blkback when already connected to blkback Date: Tue, 31 May 2016 16:33:07 -0400 Message-ID: <20160531203307.GC23808__4410.73276238075$1464726879$gmane$org@char.us.oracle.com> References: <1464685157-30738-1-git-send-email-bob.liu@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([85.158.143.247]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b7qLr-0001jB-4i for xen-devel@lists.xenproject.org; Tue, 31 May 2016 20:33:23 +0000 Content-Disposition: inline In-Reply-To: <1464685157-30738-1-git-send-email-bob.liu@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Bob Liu Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org T24gVHVlLCBNYXkgMzEsIDIwMTYgYXQgMDQ6NTk6MTZQTSArMDgwMCwgQm9iIExpdSB3cm90ZToK PiBTb21ldGltZXMgYmxrZm9udCBtYXkgcmVjZWl2ZSB0d2ljZSBibGtiYWNrX2NoYW5nZWQoKSBu b3RpZmljYXRpb24gYWZ0ZXIKPiBtaWdyYXRpb24sIHRoZW4gdGFsa190b19ibGtiYWNrKCkgd2ls bCBiZSBjYWxsZWQgdHdpY2UgdG9vIGFuZCBjb25mdXNlZAo+IHhlbi1ibGtiYWNrLgoKQ291bGQg eW91IGVubGlnaHRlbiB0aGUgcGF0Y2ggZGVzY3JpcHRpb24gYnkgaGF2aW5nIHNvbWUgZm9ybSBv ZgpzdGF0ZSB0cmFuc2l0aW9uIGhlcmU/IEkgYW0gY3VyaW91cyBob3cgeW91IGdvdCB0aGUgZnJv bnRlbmQKdG8gZ2V0IGluIFhlbmJ1c1N0YXRlQ29ubmVjdGVkICh2aWEgYmxraWZfcmVjb3ZlciBy aWdodCkgYW5kIHRoZW4KdGhlIGJhY2tlbmQgdHJpZ2dlcmluZyB0aGUgdXBkYXRlIG9uY2UgbW9y ZT8KCk9yIGlzIGp1c3QgYSBzaW1wbGUgcmFjZSAtIHRoZSBiYWNrZW5kIG1vdmVzIGZyb20gWGVu YnVzU3RhdGVDb25uZWN0ZWQtPgpYZW5idXNTdGF0ZUNvbm5lY3RlZCAtIHdoaWNoIHJldHJpZ2dl cnMgdGhlIGZyb250ZW5kIHRvIGhpdCBpbgpibGtiYWNrX2NoYW5nZWQgdGhlIFhlbmJ1c1N0YXRl Q29ubmVjdGVkIHN0YXRlIGFuZCBnbyBpbiB0aGVyZT8KKFRoYXQgd291bGQgYmUgaW4gY29uZW5j dF9yaW5nIGNoYW5naW5nIHRoZSBzdGF0ZSkuIEJ1dCBJIGRvbid0CnNlZSBob3cgdGhlIGZyb250 ZW5kX2NoYW5nZWQgY29kZSBnZXQgdGhlcmUgYXMgd2UgaGF2ZToKCiA3NzAgICAgICAgICAgICAg ICAgIC8qCiA3NzEgICAgICAgICAgICAgICAgICAqIEVuc3VyZSB3ZSBjb25uZWN0IGV2ZW4gd2hl biB0d28gd2F0Y2hlcyBmaXJlIGluCiA3NzIgICAgICAgICAgICAgICAgICAqIGNsb3NlIHN1Y2Nl c3Npb24gYW5kIHdlIG1pc3MgdGhlIGludGVybWVkaWF0ZSB2YWx1ZQogNzczICAgICAgICAgICAg ICAgICAgKiBvZiBmcm9udGVuZF9zdGF0ZS4KIDc3NCAgICAgICAgICAgICAgICAgICovCiA3NzUg ICAgICAgICAgICAgICAgIGlmIChkZXYtPnN0YXRlID09IFhlbmJ1c1N0YXRlQ29ubmVjdGVkKQog Nzc2ICAgICAgICAgICAgICAgICAgICAgICAgIGJyZWFrOwogNzc3IAoKPwoKTm93IHdoYXQgYWJv dXQgJ2Jsa2Zyb250X2Nvbm5lY3QnIGJlaW5nIGNhbGxlZCBvbiB0aGUgc2Vjb25kIHRpbWU/CgpB aCwgaW5mby0+Y29ubmVjdGVkIGlzIHByb2JhYmx5IGJ5IHRoZW4gaW4gQkxLSUZfU1RBVEVfQ09O TkVDVEVECihhcyBibGtpZl9yZWNvdmVyIGNoYW5nZWQpIGFuZCB3ZSBqdXN0IHJlcmVhZCB0aGUg c2l6ZSBvZiB0aGUgZGlzay4KCklzIHRoYXQgaG93IGFib3V0IHRoZSBmbG93IGdvZXM/Cj4gCj4g U2lnbmVkLW9mZi1ieTogQm9iIExpdSA8Ym9iLmxpdUBvcmFjbGUuY29tPgo+IC0tLQo+ICBkcml2 ZXJzL2Jsb2NrL3hlbi1ibGtmcm9udC5jIHwgMyArKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDIgaW5z ZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2Jsb2Nr L3hlbi1ibGtmcm9udC5jIGIvZHJpdmVycy9ibG9jay94ZW4tYmxrZnJvbnQuYwo+IGluZGV4IGNh MTNkZjguLjAxYWE0NjAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ibG9jay94ZW4tYmxrZnJvbnQu Ywo+ICsrKyBiL2RyaXZlcnMvYmxvY2sveGVuLWJsa2Zyb250LmMKPiBAQCAtMjQ4NSw3ICsyNDg1 LDggQEAgc3RhdGljIHZvaWQgYmxrYmFja19jaGFuZ2VkKHN0cnVjdCB4ZW5idXNfZGV2aWNlICpk ZXYsCj4gIAkJYnJlYWs7Cj4gIAo+ICAJY2FzZSBYZW5idXNTdGF0ZUNvbm5lY3RlZDoKPiAtCQlp ZiAoZGV2LT5zdGF0ZSAhPSBYZW5idXNTdGF0ZUluaXRpYWxpc2VkKSB7Cj4gKwkJaWYgKChkZXYt PnN0YXRlICE9IFhlbmJ1c1N0YXRlSW5pdGlhbGlzZWQpICYmCj4gKwkJCShkZXYtPnN0YXRlICE9 IFhlbmJ1c1N0YXRlQ29ubmVjdGVkKSkgewo+ICAJCQlpZiAodGFsa190b19ibGtiYWNrKGRldiwg aW5mbykpCj4gIAkJCQlicmVhazsKPiAgCQl9Cj4gLS0gCj4gMi43LjQKPiAKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxp c3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVs Cg==