From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH 6/7] xen/9pfs: receive responses Date: Mon, 6 Mar 2017 12:01:27 -0800 Message-ID: <1488830488-18506-6-git-send-email-sstabellini@kernel.org> References: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ckypE-0004Hn-2j for xen-devel@lists.xenproject.org; Mon, 06 Mar 2017 20:01:44 +0000 In-Reply-To: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: jgross@suse.com, Latchesar Ionkov , sstabellini@kernel.org, Eric Van Hensbergen , linux-kernel@vger.kernel.org, Stefano Stabellini , v9fs-developer@lists.sourceforge.net, Ron Minnich , boris.ostrovsky@oracle.com List-Id: xen-devel@lists.xenproject.org VXBvbiByZWNlaXZpbmcgYSBub3RpZmljYXRpb24gZnJvbSB0aGUgYmFja2VuZCwgc2NoZWR1bGUg dGhlCnA5X3hlbl9yZXNwb25zZSB3b3JrX3N0cnVjdC4gcDlfeGVuX3Jlc3BvbnNlIGNoZWNrcyBp ZiBhbnkgcmVzcG9uc2VzIGFyZQphdmFpbGFibGUsIGlmIHNvLCBpdCByZWFkcyB0aGVtIG9uZSBi eSBvbmUsIGNhbGxpbmcgcDlfY2xpZW50X2NiIHRvIHNlbmQKdGhlbSB1cCB0byB0aGUgOXAgbGF5 ZXIgKHA5X2NsaWVudF9jYiBjb21wbGV0ZXMgdGhlIHJlcXVlc3QpLiBIYW5kbGUgdGhlCnJpbmcg Zm9sbG93aW5nIHRoZSBYZW4gOXBmcyBzcGVjaWZpY2F0aW9uLgoKU2lnbmVkLW9mZi1ieTogU3Rl ZmFubyBTdGFiZWxsaW5pIDxzdGVmYW5vQGFwb3JldG8uY29tPgpDQzogYm9yaXMub3N0cm92c2t5 QG9yYWNsZS5jb20KQ0M6IGpncm9zc0BzdXNlLmNvbQpDQzogRXJpYyBWYW4gSGVuc2JlcmdlbiA8 ZXJpY3ZoQGdtYWlsLmNvbT4KQ0M6IFJvbiBNaW5uaWNoIDxybWlubmljaEBzYW5kaWEuZ292PgpD QzogTGF0Y2hlc2FyIElvbmtvdiA8bHVjaG9AaW9ua292Lm5ldD4KQ0M6IHY5ZnMtZGV2ZWxvcGVy QGxpc3RzLnNvdXJjZWZvcmdlLm5ldAotLS0KIG5ldC85cC90cmFuc194ZW4uYyB8IDUzICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrCiAxIGZpbGUg Y2hhbmdlZCwgNTMgaW5zZXJ0aW9ucygrKQoKZGlmZiAtLWdpdCBhL25ldC85cC90cmFuc194ZW4u YyBiL25ldC85cC90cmFuc194ZW4uYwppbmRleCA0ZTI2NTU2Li4xY2E5MjQ2IDEwMDY0NAotLS0g YS9uZXQvOXAvdHJhbnNfeGVuLmMKKysrIGIvbmV0LzlwL3RyYW5zX3hlbi5jCkBAIC0xNDksNiAr MTQ5LDU5IEBAIHN0YXRpYyBpbnQgcDlfeGVuX3JlcXVlc3Qoc3RydWN0IHA5X2NsaWVudCAqY2xp ZW50LCBzdHJ1Y3QgcDlfcmVxX3QgKnA5X3JlcSkKIAogc3RhdGljIHZvaWQgcDlfeGVuX3Jlc3Bv bnNlKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKIHsKKwlzdHJ1Y3QgeGVuXzlwZnNfZnJvbnRf cHJpdiAqcHJpdjsKKwlzdHJ1Y3QgeGVuXzlwZnNfZGF0YXJpbmcgKnJpbmc7CisJUklOR19JRFgg Y29ucywgcHJvZCwgbWFza2VkX2NvbnMsIG1hc2tlZF9wcm9kOworCXN0cnVjdCB4ZW5fOXBmc19o ZWFkZXIgaDsKKwlzdHJ1Y3QgcDlfcmVxX3QgKnJlcTsKKwlpbnQgc3RhdHVzID0gUkVRX1NUQVRV U19FUlJPUjsKKworCXJpbmcgPSBjb250YWluZXJfb2Yod29yaywgc3RydWN0IHhlbl85cGZzX2Rh dGFyaW5nLCB3b3JrKTsKKwlwcml2ID0gcmluZy0+cHJpdjsKKworCXdoaWxlICgxKSB7CisJCWNv bnMgPSByaW5nLT5pbnRmLT5pbl9jb25zOworCQlwcm9kID0gcmluZy0+aW50Zi0+aW5fcHJvZDsK KwkJcm1iKCk7CisKKwkJaWYgKHhlbl85cGZzX3F1ZXVlZChwcm9kLCBjb25zLCBYRU5fOVBGU19S SU5HX1NJWkUpIDwgc2l6ZW9mKGgpKSB7CisJCQlub3RpZnlfcmVtb3RlX3ZpYV9pcnEocmluZy0+ aXJxKTsKKwkJCXJldHVybjsKKwkJfQorCisJCW1hc2tlZF9wcm9kID0geGVuXzlwZnNfbWFzayhw cm9kLCBYRU5fOVBGU19SSU5HX1NJWkUpOworCQltYXNrZWRfY29ucyA9IHhlbl85cGZzX21hc2so Y29ucywgWEVOXzlQRlNfUklOR19TSVpFKTsKKworCQl4ZW5fOXBmc19yZWFkX3BhY2tldChyaW5n LT5yaW5nLmluLAorCQkJCW1hc2tlZF9wcm9kLCAmbWFza2VkX2NvbnMsCisJCQkJWEVOXzlQRlNf UklOR19TSVpFLCAmaCwgc2l6ZW9mKGgpKTsKKworCQlyZXEgPSBwOV90YWdfbG9va3VwKHByaXYt PmNsaWVudCwgaC50YWcpOworCQlpZiAoIXJlcSB8fCByZXEtPnN0YXR1cyAhPSBSRVFfU1RBVFVT X1NFTlQpIHsKKwkJCWRldl93YXJuKCZwcml2LT5kZXYtPmRldiwgIldyb25nIHJlcSB0YWc9JXhc biIsIGgudGFnKTsKKwkJCWNvbnMgKz0gaC5zaXplOworCQkJbWIoKTsKKwkJCXJpbmctPmludGYt PmluX2NvbnMgPSBjb25zOworCQkJY29udGludWU7CisJCX0KKworCQltZW1jcHkocmVxLT5yYywg JmgsIHNpemVvZihoKSk7CisJCXJlcS0+cmMtPm9mZnNldCA9IDA7CisKKwkJbWFza2VkX2NvbnMg PSB4ZW5fOXBmc19tYXNrKGNvbnMsIFhFTl85UEZTX1JJTkdfU0laRSk7CisJCXhlbl85cGZzX3Jl YWRfcGFja2V0KHJpbmctPnJpbmcuaW4sCisJCQkJbWFza2VkX3Byb2QsICZtYXNrZWRfY29ucywK KwkJCQlYRU5fOVBGU19SSU5HX1NJWkUsIHJlcS0+cmMtPnNkYXRhLCBoLnNpemUpOworCisJCW1i KCk7CisJCWNvbnMgKz0gaC5zaXplOworCQlyaW5nLT5pbnRmLT5pbl9jb25zID0gY29uczsKKwor CQlpZiAocmVxLT5zdGF0dXMgIT0gUkVRX1NUQVRVU19FUlJPUikKKwkJCXN0YXR1cyA9IFJFUV9T VEFUVVNfUkNWRDsKKworCQlwOV9jbGllbnRfY2IocHJpdi0+Y2xpZW50LCByZXEsIHN0YXR1cyk7 CisJfQogfQogCiBzdGF0aWMgaXJxcmV0dXJuX3QgeGVuXzlwZnNfZnJvbnRfZXZlbnRfaGFuZGxl cihpbnQgaXJxLCB2b2lkICpyKQotLSAKMS45LjEKCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK