From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4951AC433DB for ; Thu, 4 Feb 2021 15:06:58 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D955664DF2 for ; Thu, 4 Feb 2021 15:06:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D955664DF2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60610 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7gDf-0007OW-Th for qemu-devel@archiver.kernel.org; Thu, 04 Feb 2021 10:06:55 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40536) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7g9V-000308-Q9 for qemu-devel@nongnu.org; Thu, 04 Feb 2021 10:02:38 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:50567) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l7g9T-0002XV-Ug for qemu-devel@nongnu.org; Thu, 04 Feb 2021 10:02:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612450955; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dUguKk7pEcNYDonCk/K2qnrIwMEERiH0yxbvA57CzCA=; b=IUKCiqUTpoiEGzmhxTd4ZxTbrb/qE2euCbDUbjeMaBobkZ1aCWmk/Fq6p23U2ToA9ZTnHu ym2kNXaXb9qjDtPeKjJOBAbUZwFgqb2B/0vwQR8gE4ajmYgyfnOJ5ZsDJfzsAPDvUceb4E aSczUb9XllpcqskNo8wlyyIjMF+0bto= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-394-lo0YQtksOKmX4yrWH2z8Aw-1; Thu, 04 Feb 2021 10:02:33 -0500 X-MC-Unique: lo0YQtksOKmX4yrWH2z8Aw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7D1FA1936B61; Thu, 4 Feb 2021 15:02:32 +0000 (UTC) Received: from localhost (ovpn-115-89.ams2.redhat.com [10.36.115.89]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8D3B55DA2D; Thu, 4 Feb 2021 15:02:21 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v5 1/3] virtiofsd: extract lo_do_open() from lo_open() Date: Thu, 4 Feb 2021 15:02:06 +0000 Message-Id: <20210204150208.367837-2-stefanha@redhat.com> In-Reply-To: <20210204150208.367837-1-stefanha@redhat.com> References: <20210204150208.367837-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.351, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mszeredi@redhat.com, Daniel Berrange , slp@redhat.com, Greg Kurz , P J P , virtio-fs@redhat.com, vgoyal@redhat.com, Stefan Hajnoczi , Laszlo Ersek , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Qm90aCBsb19vcGVuKCkgYW5kIGxvX2NyZWF0ZSgpIGhhdmUgc2ltaWxhciBjb2RlIHRvIG9wZW4g YSBmaWxlLiBFeHRyYWN0CmEgY29tbW9uIGxvX2RvX29wZW4oKSBmdW5jdGlvbiBmcm9tIGxvX29w ZW4oKSB0aGF0IHdpbGwgYmUgdXNlZCBieQpsb19jcmVhdGUoKSBpbiBhIGxhdGVyIGNvbW1pdC4K ClNpbmNlIGxvX2RvX29wZW4oKSBkb2VzIG5vdCBvdGhlcndpc2UgbmVlZCBmdXNlX3JlcV90IHJl cSwgY29udmVydApsb19hZGRfZmRfbWFwcGluZygpIHRvIHVzZSBzdHJ1Y3QgbG9fZGF0YSAqbG8g aW5zdGVhZC4KClNpZ25lZC1vZmYtYnk6IFN0ZWZhbiBIYWpub2N6aSA8c3RlZmFuaGFAcmVkaGF0 LmNvbT4KLS0tCnY0OgogKiBSZXR1cm4gcG9zaXRpdmUgZXJybm8gaWYgb3BlbmF0KDIpIGZhaWxz IGluIGxvX2RvX29wZW4oKSBbR3JlZ10KLS0tCiB0b29scy92aXJ0aW9mc2QvcGFzc3Rocm91Z2hf bGwuYyB8IDczICsrKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdl ZCwgNDYgaW5zZXJ0aW9ucygrKSwgMjcgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvdG9vbHMv dmlydGlvZnNkL3Bhc3N0aHJvdWdoX2xsLmMgYi90b29scy92aXJ0aW9mc2QvcGFzc3Rocm91Z2hf bGwuYwppbmRleCA1ZmIzNmQ5NDA3Li5mMTRmYTUxMjRkIDEwMDY0NAotLS0gYS90b29scy92aXJ0 aW9mc2QvcGFzc3Rocm91Z2hfbGwuYworKysgYi90b29scy92aXJ0aW9mc2QvcGFzc3Rocm91Z2hf bGwuYwpAQCAtNDU5LDE3ICs0NTksMTcgQEAgc3RhdGljIHZvaWQgbG9fbWFwX3JlbW92ZShzdHJ1 Y3QgbG9fbWFwICptYXAsIHNpemVfdCBrZXkpCiB9CiAKIC8qIEFzc3VtZXMgbG8tPm11dGV4IGlz IGhlbGQgKi8KLXN0YXRpYyBzc2l6ZV90IGxvX2FkZF9mZF9tYXBwaW5nKGZ1c2VfcmVxX3QgcmVx LCBpbnQgZmQpCitzdGF0aWMgc3NpemVfdCBsb19hZGRfZmRfbWFwcGluZyhzdHJ1Y3QgbG9fZGF0 YSAqbG8sIGludCBmZCkKIHsKICAgICBzdHJ1Y3QgbG9fbWFwX2VsZW0gKmVsZW07CiAKLSAgICBl bGVtID0gbG9fbWFwX2FsbG9jX2VsZW0oJmxvX2RhdGEocmVxKS0+ZmRfbWFwKTsKKyAgICBlbGVt ID0gbG9fbWFwX2FsbG9jX2VsZW0oJmxvLT5mZF9tYXApOwogICAgIGlmICghZWxlbSkgewogICAg ICAgICByZXR1cm4gLTE7CiAgICAgfQogCiAgICAgZWxlbS0+ZmQgPSBmZDsKLSAgICByZXR1cm4g ZWxlbSAtIGxvX2RhdGEocmVxKS0+ZmRfbWFwLmVsZW1zOworICAgIHJldHVybiBlbGVtIC0gbG8t PmZkX21hcC5lbGVtczsKIH0KIAogLyogQXNzdW1lcyBsby0+bXV0ZXggaXMgaGVsZCAqLwpAQCAt MTY1MSw2ICsxNjUxLDM4IEBAIHN0YXRpYyB2b2lkIHVwZGF0ZV9vcGVuX2ZsYWdzKGludCB3cml0 ZWJhY2ssIGludCBhbGxvd19kaXJlY3RfaW8sCiAgICAgfQogfQogCitzdGF0aWMgaW50IGxvX2Rv X29wZW4oc3RydWN0IGxvX2RhdGEgKmxvLCBzdHJ1Y3QgbG9faW5vZGUgKmlub2RlLAorICAgICAg ICAgICAgICAgICAgICAgIHN0cnVjdCBmdXNlX2ZpbGVfaW5mbyAqZmkpCit7CisgICAgY2hhciBi dWZbNjRdOworICAgIHNzaXplX3QgZmg7CisgICAgaW50IGZkOworCisgICAgdXBkYXRlX29wZW5f ZmxhZ3MobG8tPndyaXRlYmFjaywgbG8tPmFsbG93X2RpcmVjdF9pbywgZmkpOworCisgICAgc3By aW50ZihidWYsICIlaSIsIGlub2RlLT5mZCk7CisgICAgZmQgPSBvcGVuYXQobG8tPnByb2Nfc2Vs Zl9mZCwgYnVmLCBmaS0+ZmxhZ3MgJiB+T19OT0ZPTExPVyk7CisgICAgaWYgKGZkID09IC0xKSB7 CisgICAgICAgIHJldHVybiBlcnJubzsKKyAgICB9CisKKyAgICBwdGhyZWFkX211dGV4X2xvY2so JmxvLT5tdXRleCk7CisgICAgZmggPSBsb19hZGRfZmRfbWFwcGluZyhsbywgZmQpOworICAgIHB0 aHJlYWRfbXV0ZXhfdW5sb2NrKCZsby0+bXV0ZXgpOworICAgIGlmIChmaCA9PSAtMSkgeworICAg ICAgICBjbG9zZShmZCk7CisgICAgICAgIHJldHVybiBFTk9NRU07CisgICAgfQorCisgICAgZmkt PmZoID0gZmg7CisgICAgaWYgKGxvLT5jYWNoZSA9PSBDQUNIRV9OT05FKSB7CisgICAgICAgIGZp LT5kaXJlY3RfaW8gPSAxOworICAgIH0gZWxzZSBpZiAobG8tPmNhY2hlID09IENBQ0hFX0FMV0FZ UykgeworICAgICAgICBmaS0+a2VlcF9jYWNoZSA9IDE7CisgICAgfQorICAgIHJldHVybiAwOwor fQorCiBzdGF0aWMgdm9pZCBsb19jcmVhdGUoZnVzZV9yZXFfdCByZXEsIGZ1c2VfaW5vX3QgcGFy ZW50LCBjb25zdCBjaGFyICpuYW1lLAogICAgICAgICAgICAgICAgICAgICAgIG1vZGVfdCBtb2Rl LCBzdHJ1Y3QgZnVzZV9maWxlX2luZm8gKmZpKQogewpAQCAtMTY5MSw3ICsxNzIzLDcgQEAgc3Rh dGljIHZvaWQgbG9fY3JlYXRlKGZ1c2VfcmVxX3QgcmVxLCBmdXNlX2lub190IHBhcmVudCwgY29u c3QgY2hhciAqbmFtZSwKICAgICAgICAgc3NpemVfdCBmaDsKIAogICAgICAgICBwdGhyZWFkX211 dGV4X2xvY2soJmxvLT5tdXRleCk7Ci0gICAgICAgIGZoID0gbG9fYWRkX2ZkX21hcHBpbmcocmVx LCBmZCk7CisgICAgICAgIGZoID0gbG9fYWRkX2ZkX21hcHBpbmcobG8sIGZkKTsKICAgICAgICAg cHRocmVhZF9tdXRleF91bmxvY2soJmxvLT5tdXRleCk7CiAgICAgICAgIGlmIChmaCA9PSAtMSkg ewogICAgICAgICAgICAgY2xvc2UoZmQpOwpAQCAtMTg5MiwzOCArMTkyNCwyNSBAQCBzdGF0aWMg dm9pZCBsb19mc3luY2RpcihmdXNlX3JlcV90IHJlcSwgZnVzZV9pbm9fdCBpbm8sIGludCBkYXRh c3luYywKIAogc3RhdGljIHZvaWQgbG9fb3BlbihmdXNlX3JlcV90IHJlcSwgZnVzZV9pbm9fdCBp bm8sIHN0cnVjdCBmdXNlX2ZpbGVfaW5mbyAqZmkpCiB7Ci0gICAgaW50IGZkOwotICAgIHNzaXpl X3QgZmg7Ci0gICAgY2hhciBidWZbNjRdOwogICAgIHN0cnVjdCBsb19kYXRhICpsbyA9IGxvX2Rh dGEocmVxKTsKKyAgICBzdHJ1Y3QgbG9faW5vZGUgKmlub2RlID0gbG9faW5vZGUocmVxLCBpbm8p OworICAgIGludCBlcnI7CiAKICAgICBmdXNlX2xvZyhGVVNFX0xPR19ERUJVRywgImxvX29wZW4o aW5vPSUiIFBSSXU2NCAiLCBmbGFncz0lZClcbiIsIGlubywKICAgICAgICAgICAgICBmaS0+Zmxh Z3MpOwogCi0gICAgdXBkYXRlX29wZW5fZmxhZ3MobG8tPndyaXRlYmFjaywgbG8tPmFsbG93X2Rp cmVjdF9pbywgZmkpOwotCi0gICAgc3ByaW50ZihidWYsICIlaSIsIGxvX2ZkKHJlcSwgaW5vKSk7 Ci0gICAgZmQgPSBvcGVuYXQobG8tPnByb2Nfc2VsZl9mZCwgYnVmLCBmaS0+ZmxhZ3MgJiB+T19O T0ZPTExPVyk7Ci0gICAgaWYgKGZkID09IC0xKSB7Ci0gICAgICAgIHJldHVybiAodm9pZClmdXNl X3JlcGx5X2VycihyZXEsIGVycm5vKTsKLSAgICB9Ci0KLSAgICBwdGhyZWFkX211dGV4X2xvY2so JmxvLT5tdXRleCk7Ci0gICAgZmggPSBsb19hZGRfZmRfbWFwcGluZyhyZXEsIGZkKTsKLSAgICBw dGhyZWFkX211dGV4X3VubG9jaygmbG8tPm11dGV4KTsKLSAgICBpZiAoZmggPT0gLTEpIHsKLSAg ICAgICAgY2xvc2UoZmQpOwotICAgICAgICBmdXNlX3JlcGx5X2VycihyZXEsIEVOT01FTSk7Cisg ICAgaWYgKCFpbm9kZSkgeworICAgICAgICBmdXNlX3JlcGx5X2VycihyZXEsIEVCQURGKTsKICAg ICAgICAgcmV0dXJuOwogICAgIH0KIAotICAgIGZpLT5maCA9IGZoOwotICAgIGlmIChsby0+Y2Fj aGUgPT0gQ0FDSEVfTk9ORSkgewotICAgICAgICBmaS0+ZGlyZWN0X2lvID0gMTsKLSAgICB9IGVs c2UgaWYgKGxvLT5jYWNoZSA9PSBDQUNIRV9BTFdBWVMpIHsKLSAgICAgICAgZmktPmtlZXBfY2Fj aGUgPSAxOworICAgIGVyciA9IGxvX2RvX29wZW4obG8sIGlub2RlLCBmaSk7CisgICAgbG9faW5v ZGVfcHV0KGxvLCAmaW5vZGUpOworICAgIGlmIChlcnIpIHsKKyAgICAgICAgZnVzZV9yZXBseV9l cnIocmVxLCBlcnIpOworICAgIH0gZWxzZSB7CisgICAgICAgIGZ1c2VfcmVwbHlfb3BlbihyZXEs IGZpKTsKICAgICB9Ci0gICAgZnVzZV9yZXBseV9vcGVuKHJlcSwgZmkpOwogfQogCiBzdGF0aWMg dm9pZCBsb19yZWxlYXNlKGZ1c2VfcmVxX3QgcmVxLCBmdXNlX2lub190IGlubywKLS0gCjIuMjku MgoK