From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH v2 3/4] 9pfs: call v9fs_init_qiov_from_pdu before v9fs_pack Date: Mon, 28 Nov 2016 13:27:23 -0800 Message-ID: <1480368444-4310-3-git-send-email-sstabellini@kernel.org> References: <1480368444-4310-1-git-send-email-sstabellini@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1480368444-4310-1-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: aneesh.kumar@linux.vnet.ibm.com Cc: xen-devel@lists.xensource.com, anthony.perard@citrix.com, sstabellini@kernel.org, groug@kaod.org, qemu-devel@nongnu.org List-Id: xen-devel@lists.xenproject.org djlmc194YXR0cl9yZWFkIHNob3VsZCBub3QgYWNjZXNzIFZpcnRRdWV1ZUVsZW1lbnQgZWxlbXMg ZGlyZWN0bHkuCk1vdmUgdjlmc19pbml0X3Fpb3ZfZnJvbV9wZHUgdXAgaW4gdGhlIGZpbGUgYW5k IGNhbGwKdjlmc19pbml0X3Fpb3ZfZnJvbV9wZHUgYmVmb3JlIHY5ZnNfcGFjay4gVXNlIHY5ZnNf cGFjayBvbiB0aGUgbmV3CmlvdmVjLgoKU2lnbmVkLW9mZi1ieTogU3RlZmFubyBTdGFiZWxsaW5p IDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPgoKLS0tCkNoYW5nZXMgaW4gdjI6Ci0gYWRkIGEgY2Fs bCB0byBxZW11X2lvdmVjX2Rlc3Ryb3kKLSBmaXggY29tbWl0IGRlc2NyaXB0aW9uCi0tLQogaHcv OXBmcy85cC5jIHwgNTkgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAzMCBpbnNlcnRpb25zKCspLCAyOSBk ZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9ody85cGZzLzlwLmMgYi9ody85cGZzLzlwLmMKaW5k ZXggNWEyMGExMy4uNzlkNzIwMSAxMDA2NDQKLS0tIGEvaHcvOXBmcy85cC5jCisrKyBiL2h3Lzlw ZnMvOXAuYwpAQCAtMTYzMywxNCArMTYzMywzOSBAQCBvdXRfbm9maWQ6CiAgICAgcGR1X2NvbXBs ZXRlKHBkdSwgZXJyKTsKIH0KIAorLyoKKyAqIENyZWF0ZSBhIFFFTVVJT1ZlY3RvciBmb3IgYSBz dWItcmVnaW9uIG9mIFBEVSBpb3ZlY3MKKyAqCisgKiBAcWlvdjogICAgICAgdW5pbml0aWFsaXpl ZCBRRU1VSU9WZWN0b3IKKyAqIEBza2lwOiAgICAgICBudW1iZXIgb2YgYnl0ZXMgdG8gc2tpcCBm cm9tIGJlZ2lubmluZyBvZiBQRFUKKyAqIEBzaXplOiAgICAgICBudW1iZXIgb2YgYnl0ZXMgdG8g aW5jbHVkZQorICogQGlzX3dyaXRlOiAgIHRydWUgLSB3cml0ZSwgZmFsc2UgLSByZWFkCisgKgor ICogVGhlIHJlc3VsdGluZyBRRU1VSU9WZWN0b3IgaGFzIGhlYXAtYWxsb2NhdGVkIGlvdmVjcyBh bmQgbXVzdCBiZSBjbGVhbmVkIHVwCisgKiB3aXRoIHFlbXVfaW92ZWNfZGVzdHJveSgpLgorICov CitzdGF0aWMgdm9pZCB2OWZzX2luaXRfcWlvdl9mcm9tX3BkdShRRU1VSU9WZWN0b3IgKnFpb3Ys IFY5ZnNQRFUgKnBkdSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHNpemVf dCBza2lwLCBzaXplX3Qgc2l6ZSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IGJvb2wgaXNfd3JpdGUpCit7CisgICAgUUVNVUlPVmVjdG9yIGVsZW07CisgICAgc3RydWN0IGlv dmVjICppb3Y7CisgICAgdW5zaWduZWQgaW50IG5pb3Y7CisKKyAgICBwZHUtPnMtPnRyYW5zcG9y dC0+aW5pdF9pb3ZfZnJvbV9wZHUocGR1LCAmaW92LCAmbmlvdiwgaXNfd3JpdGUpOworCisgICAg cWVtdV9pb3ZlY19pbml0X2V4dGVybmFsKCZlbGVtLCBpb3YsIG5pb3YpOworICAgIHFlbXVfaW92 ZWNfaW5pdChxaW92LCBuaW92KTsKKyAgICBxZW11X2lvdmVjX2NvbmNhdChxaW92LCAmZWxlbSwg c2tpcCwgc2l6ZSk7Cit9CisKIHN0YXRpYyBpbnQgdjlmc194YXR0cl9yZWFkKFY5ZnNTdGF0ZSAq cywgVjlmc1BEVSAqcGR1LCBWOWZzRmlkU3RhdGUgKmZpZHAsCiAgICAgICAgICAgICAgICAgICAg ICAgICAgICB1aW50NjRfdCBvZmYsIHVpbnQzMl90IG1heF9jb3VudCkKIHsKICAgICBzc2l6ZV90 IGVycjsKICAgICBzaXplX3Qgb2Zmc2V0ID0gNzsKICAgICB1aW50NjRfdCByZWFkX2NvdW50Owot ICAgIFY5ZnNWaXJ0aW9TdGF0ZSAqdiA9IGNvbnRhaW5lcl9vZihzLCBWOWZzVmlydGlvU3RhdGUs IHN0YXRlKTsKLSAgICBWaXJ0UXVldWVFbGVtZW50ICplbGVtID0gdi0+ZWxlbXNbcGR1LT5pZHhd OworICAgIFFFTVVJT1ZlY3RvciBxaW92X2Z1bGw7CiAKICAgICBpZiAoZmlkcC0+ZnMueGF0dHIu bGVuIDwgb2ZmKSB7CiAgICAgICAgIHJlYWRfY291bnQgPSAwOwpAQCAtMTY1Niw5ICsxNjgxLDEx IEBAIHN0YXRpYyBpbnQgdjlmc194YXR0cl9yZWFkKFY5ZnNTdGF0ZSAqcywgVjlmc1BEVSAqcGR1 LCBWOWZzRmlkU3RhdGUgKmZpZHAsCiAgICAgfQogICAgIG9mZnNldCArPSBlcnI7CiAKLSAgICBl cnIgPSB2OWZzX3BhY2soZWxlbS0+aW5fc2csIGVsZW0tPmluX251bSwgb2Zmc2V0LAorICAgIHY5 ZnNfaW5pdF9xaW92X2Zyb21fcGR1KCZxaW92X2Z1bGwsIHBkdSwgMCwgcmVhZF9jb3VudCwgZmFs c2UpOworICAgIGVyciA9IHY5ZnNfcGFjayhxaW92X2Z1bGwuaW92LCBxaW92X2Z1bGwubmlvdiwg b2Zmc2V0LAogICAgICAgICAgICAgICAgICAgICAoKGNoYXIgKilmaWRwLT5mcy54YXR0ci52YWx1 ZSkgKyBvZmYsCiAgICAgICAgICAgICAgICAgICAgIHJlYWRfY291bnQpOworICAgIHFlbXVfaW92 ZWNfZGVzdHJveSgmcWlvdl9mdWxsKTsKICAgICBpZiAoZXJyIDwgMCkgewogICAgICAgICByZXR1 cm4gZXJyOwogICAgIH0KQEAgLTE3MzIsMzIgKzE3NTksNiBAQCBzdGF0aWMgaW50IGNvcm91dGlu ZV9mbiB2OWZzX2RvX3JlYWRkaXJfd2l0aF9zdGF0KFY5ZnNQRFUgKnBkdSwKICAgICByZXR1cm4g Y291bnQ7CiB9CiAKLS8qCi0gKiBDcmVhdGUgYSBRRU1VSU9WZWN0b3IgZm9yIGEgc3ViLXJlZ2lv biBvZiBQRFUgaW92ZWNzCi0gKgotICogQHFpb3Y6ICAgICAgIHVuaW5pdGlhbGl6ZWQgUUVNVUlP VmVjdG9yCi0gKiBAc2tpcDogICAgICAgbnVtYmVyIG9mIGJ5dGVzIHRvIHNraXAgZnJvbSBiZWdp bm5pbmcgb2YgUERVCi0gKiBAc2l6ZTogICAgICAgbnVtYmVyIG9mIGJ5dGVzIHRvIGluY2x1ZGUK LSAqIEBpc193cml0ZTogICB0cnVlIC0gd3JpdGUsIGZhbHNlIC0gcmVhZAotICoKLSAqIFRoZSBy ZXN1bHRpbmcgUUVNVUlPVmVjdG9yIGhhcyBoZWFwLWFsbG9jYXRlZCBpb3ZlY3MgYW5kIG11c3Qg YmUgY2xlYW5lZCB1cAotICogd2l0aCBxZW11X2lvdmVjX2Rlc3Ryb3koKS4KLSAqLwotc3RhdGlj IHZvaWQgdjlmc19pbml0X3Fpb3ZfZnJvbV9wZHUoUUVNVUlPVmVjdG9yICpxaW92LCBWOWZzUERV ICpwZHUsCi0gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBzaXplX3Qgc2tpcCwg c2l6ZV90IHNpemUsCi0gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBib29sIGlz X3dyaXRlKQotewotICAgIFFFTVVJT1ZlY3RvciBlbGVtOwotICAgIHN0cnVjdCBpb3ZlYyAqaW92 OwotICAgIHVuc2lnbmVkIGludCBuaW92OwotCi0gICAgcGR1LT5zLT50cmFuc3BvcnQtPmluaXRf aW92X2Zyb21fcGR1KHBkdSwgJmlvdiwgJm5pb3YsIGlzX3dyaXRlKTsKLQotICAgIHFlbXVfaW92 ZWNfaW5pdF9leHRlcm5hbCgmZWxlbSwgaW92LCBuaW92KTsKLSAgICBxZW11X2lvdmVjX2luaXQo cWlvdiwgbmlvdik7Ci0gICAgcWVtdV9pb3ZlY19jb25jYXQocWlvdiwgJmVsZW0sIHNraXAsIHNp emUpOwotfQotCiBzdGF0aWMgdm9pZCBjb3JvdXRpbmVfZm4gdjlmc19yZWFkKHZvaWQgKm9wYXF1 ZSkKIHsKICAgICBpbnQzMl90IGZpZDsKLS0gCjEuOS4xCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2 ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==