From nobody Mon Feb 9 14:02:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=crudebyte.com ARC-Seal: i=1; a=rsa-sha256; t=1603151248; cv=none; d=zohomail.com; s=zohoarc; b=Y850VTK83Yv3H/Y+qyCmF10U7S3drJgKbdd2nDcZ6Z9OnG5Frh3ZgKz1lfqBBpju2hR7mPw9HgNnKj7rgfkNEOIgFR2h1yXAYegK16x1MKRuwOMm0bBV8lc32J9FCvezK6WOk+bsnmkFkKJ83DbbKuM9oYo1WYsbzlyi7btlLLQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1603151248; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=vA3i8SPVfAVvIXbvf5MMFPnqoVqWzTlxfDM9uLSyPg4=; b=LtOlGzQs6haKErRGo5B2oCW+AUBnrMFTxfp+5UAZVN9lL9AXSeYtVPStRFB4GXdT7eq400fWCTb7YBrv6Wp9xrUhR4uQ1y4/6HvbDauL0Xa155C8UldYtd37h7K8IoQIa0h6/2Zu5b4lzuN7kBV9BSXHClo44TwxLZeA19AxG3o= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1603151248992839.2849401221221; Mon, 19 Oct 2020 16:47:28 -0700 (PDT) Received: from localhost ([::1]:54678 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUesC-0006oS-0M for importer@patchew.org; Mon, 19 Oct 2020 19:47:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47950) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUekA-00075h-FY for qemu-devel@nongnu.org; Mon, 19 Oct 2020 19:39:10 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:56165) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUek8-0002T8-P4 for qemu-devel@nongnu.org; Mon, 19 Oct 2020 19:39:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=lizzy; h=Cc:To:Subject:Date:From:References:In-Reply-To: Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Content-ID: Content-Description; bh=vA3i8SPVfAVvIXbvf5MMFPnqoVqWzTlxfDM9uLSyPg4=; b=YvfBn elb92ps34Lj7d7G4bK6adeNhWk1MIWmt1UoIwlpjsiUXErdmxPgpCj4h79xyKDqtpG5kfAQszBGfZ zXmfiV62VK4KLTEqWk3bTGpNt3mLnalWlhgwbdipD9r8ds15sI1rtB4fOfdkXD3AVIpcPEkVUTH2u J/YO7Avv6A9ZzDRHfV7B6KgzDTGsoL7KRQgWQlqysEAUzUm3z1kNvIcZ+9WvbDfet/eT5ykl7dx7H EmXygE1T1zKFTu6wOxeFVutAOf6ihNeQ5u+oxiFmbcYPMY8e3RqEBi1G+c0I+ffPYsC+vNdQw1DVE h55LRIUmkak3wxcU84XVKgDAbMCnA==; Message-Id: In-Reply-To: References: From: Christian Schoenebeck Date: Tue, 20 Oct 2020 01:13:24 +0200 Subject: [PATCH 7/8] tests/9pfs: add local Tlink test To: qemu-devel@nongnu.org Cc: Greg Kurz Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=91.194.90.13; envelope-from=ee6d9e1147d05bcf0b51b02ef6757f4b4691ba2d@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/19 19:37:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NONE=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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @crudebyte.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This test case uses a Tlink request to create a hard link to a regular file using the 9pfs 'local' fs driver. Signed-off-by: Christian Schoenebeck --- tests/qtest/virtio-9p-test.c | 61 ++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c index f7d18f6274..447d8e3344 100644 --- a/tests/qtest/virtio-9p-test.c +++ b/tests/qtest/virtio-9p-test.c @@ -260,6 +260,7 @@ static const char *rmessage_name(uint8_t id) id =3D=3D P9_RMKDIR ? "RMKDIR" : id =3D=3D P9_RLCREATE ? "RLCREATE" : id =3D=3D P9_RSYMLINK ? "RSYMLINK" : + id =3D=3D P9_RLINK ? "RLINK" : id =3D=3D P9_RUNLINKAT ? "RUNLINKAT" : id =3D=3D P9_RFLUSH ? "RFLUSH" : id =3D=3D P9_RREADDIR ? "READDIR" : @@ -742,6 +743,33 @@ static void v9fs_rsymlink(P9Req *req, v9fs_qid *qid) v9fs_req_free(req); } =20 +/* size[4] Tlink tag[2] dfid[4] fid[4] name[s] */ +static P9Req *v9fs_tlink(QVirtio9P *v9p, uint32_t dfid, uint32_t fid, + const char *name, uint16_t tag) +{ + P9Req *req; + + uint32_t body_size =3D 4 + 4; + uint16_t string_size =3D v9fs_string_size(name); + + g_assert_cmpint(body_size, <=3D, UINT32_MAX - string_size); + body_size +=3D string_size; + + req =3D v9fs_req_init(v9p, body_size, P9_TLINK, tag); + v9fs_uint32_write(req, dfid); + v9fs_uint32_write(req, fid); + v9fs_string_write(req, name); + v9fs_req_send(req); + return req; +} + +/* size[4] Rlink tag[2] */ +static void v9fs_rlink(P9Req *req) +{ + v9fs_req_recv(req, P9_RLINK); + v9fs_req_free(req); +} + /* size[4] Tunlinkat tag[2] dirfd[4] name[s] flags[4] */ static P9Req *v9fs_tunlinkat(QVirtio9P *v9p, uint32_t dirfd, const char *n= ame, uint32_t flags, uint16_t tag) @@ -1318,6 +1346,38 @@ static void fs_unlinkat_symlink(void *obj, void *dat= a, g_free(real_file); } =20 +static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_all= oc) +{ + QVirtio9P *v9p =3D obj; + P9Req *req; + uint32_t dfid, fid; + struct stat st_real, st_link; + char *real_file =3D virtio_9p_test_path("07/real_file"); + char *hardlink_file =3D virtio_9p_test_path("07/hardlink_file"); + + fs_attach(v9p, NULL, t_alloc); + fs_mkdir(v9p, data, t_alloc, "/", "07"); + fid =3D fs_lcreate(v9p, data, t_alloc, "07", "real_file"); + g_assert(stat(real_file, &st_real) =3D=3D 0); + g_assert((st_real.st_mode & S_IFMT) =3D=3D S_IFREG); + + dfid =3D fs_walk_fid(v9p, data, t_alloc, "07"); + + req =3D v9fs_tlink(v9p, dfid, fid, "hardlink_file", 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_rlink(req); + + /* check if link exists now ... */ + g_assert(stat(hardlink_file, &st_link) =3D=3D 0); + /* ... and it's a hard link, right? */ + g_assert((st_link.st_mode & S_IFMT) =3D=3D S_IFREG); + g_assert(st_link.st_dev =3D=3D st_real.st_dev); + g_assert(st_link.st_ino =3D=3D st_real.st_ino); + + g_free(hardlink_file); + g_free(real_file); +} + static void *assign_9p_local_driver(GString *cmd_line, void *arg) { virtio_9p_assign_local_driver(cmd_line, "security_model=3Dmapped-xattr= "); @@ -1363,6 +1423,7 @@ static void register_virtio_9p_test(void) qos_add_test("local/unlinkat_file", "virtio-9p", fs_unlinkat_file, &op= ts); qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts= ); qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlin= k, &opts); + qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file, &op= ts); } =20 libqos_init(register_virtio_9p_test); --=20 2.20.1