From nobody Mon Feb 9 09:00:46 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=1604311733; cv=none; d=zohomail.com; s=zohoarc; b=dfvsFzVGqvNGIODOj3ME3wRfxoiMGEvWyU87eNVTaNL0Pg8YB+o7+1sTJEgxjpN02egnGI0cZKiyezJRppHJsS75Okjrqikszi3qgiIYiRb3zAYBG1YXV/OhDw0qi/4ylPyQWS8h33lLksxx35RnpDQ7dLrOvDyi6xuQq+Laz4M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1604311733; 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=lo2KI2AWYKdrOD6mLHG400wpN8Ne2yZgB1HB/23XBwc=; b=eSRriW7yHg3xW8xgy/7iRnAW95+RaKq7AwoicDm3SN+tjuiIhwz3geQI1EmFmfK7oFkGsWpl8jvrU7iQ2ScWHI1neKx2fL4GcpD1YO1oHSVBG+YpkNqUL/BMZOTtiU5e+Dull8hlqGeVrtWxLzuK+L180YJe9m5vWJQZlj7XgCo= 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 1604311733973754.9353790441013; Mon, 2 Nov 2020 02:08:53 -0800 (PST) Received: from localhost ([::1]:33356 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kZWlg-0001mL-TB for importer@patchew.org; Mon, 02 Nov 2020 05:08:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49764) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <64e3d4032296aae1adf80e6638b2c4b1987a70d0@lizzy.crudebyte.com>) id 1kZWVA-0004Lf-Mg for qemu-devel@nongnu.org; Mon, 02 Nov 2020 04:51:48 -0500 Received: from lizzy.crudebyte.com ([91.194.90.13]:50627) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <64e3d4032296aae1adf80e6638b2c4b1987a70d0@lizzy.crudebyte.com>) id 1kZWV9-0007Kh-1H for qemu-devel@nongnu.org; Mon, 02 Nov 2020 04:51:48 -0500 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=lo2KI2AWYKdrOD6mLHG400wpN8Ne2yZgB1HB/23XBwc=; b=OJ3iu z5MqMH4E7XL3aSUO9UWNj0Uzglu+mvkmuQ/zCxTU4RzmndTJ1ZcEBq/iulIjENRWVua1HcUSdirrp lZ8e8sDk/YBf5cL9l1PzXHynKt/t6iT8GyIdZbmGw+SIFtMLYw5bOIw6piNm0bqyy8wQhkTrK9d7R oK9+jN1BP1609dC427N7HOGlWr7dF5yJG7c/YUvGPHEurM9vBkncin56cFQZVhthcgTwbG7mXTCgk iucdZC4+kirlVSkEDjBEFb3fxZK/maPCgKwmh4/os6OXhXGBHTwHePw9bgwfZtO5y1WwYpiTTho4F l21zz6xPJVJ6BuPwIaXti2FcIyx0w==; Message-Id: <64e3d4032296aae1adf80e6638b2c4b1987a70d0.1604309512.git.qemu_oss@crudebyte.com> In-Reply-To: References: From: Christian Schoenebeck Date: Wed, 21 Oct 2020 14:51:09 +0200 Subject: [PULL v3 16/17] tests/9pfs: add local Tlink test To: qemu-devel@nongnu.org, Peter Maydell 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=64e3d4032296aae1adf80e6638b2c4b1987a70d0@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/02 04:48:35 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: 13 X-Spam_score: 1.3 X-Spam_bar: + X-Spam_report: (1.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_96_XX=3.405, 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=no 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 Reviewed-by: Greg Kurz Message-Id: Signed-off-by: Christian Schoenebeck --- tests/qtest/virtio-9p-test.c | 71 ++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c index fb08db1dde..35499e74ed 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" : @@ -767,6 +768,33 @@ 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) @@ -1142,6 +1170,21 @@ static void do_symlink(QVirtio9P *v9p, const char *p= ath, const char *clink, g_free(name); } =20 +/* create a hard link named @a clink in directory @a path pointing to @a t= o */ +static void do_hardlink(QVirtio9P *v9p, const char *path, const char *clin= k, + const char *to) +{ + uint32_t dfid, fid; + P9Req *req; + + dfid =3D do_walk(v9p, path); + fid =3D do_walk(v9p, to); + + req =3D v9fs_tlink(v9p, dfid, fid, clink, 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_rlink(req); +} + static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rp= ath, uint32_t flags) { @@ -1321,6 +1364,33 @@ 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; + alloc =3D t_alloc; + 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"); + + do_attach(v9p); + do_mkdir(v9p, "/", "07"); + do_lcreate(v9p, "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); + + do_hardlink(v9p, "07", "hardlink_file", "07/real_file"); + + /* 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= "); @@ -1367,6 +1437,7 @@ static void register_virtio_9p_test(void) 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