From patchwork Wed Oct 21 12:17:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Schoenebeck X-Patchwork-Id: 302400 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=-9.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 03511C388F9 for ; Wed, 21 Oct 2020 13:24:18 +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 2B0B5221FC for ; Wed, 21 Oct 2020 13:24:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=crudebyte.com header.i=@crudebyte.com header.b="n9DsVWH9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B0B5221FC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=crudebyte.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33106 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVE6C-0004Rq-5f for qemu-devel@archiver.kernel.org; Wed, 21 Oct 2020 09:24:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59848) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <3c7c65b476ba44bea6afd0b378b5287e1c671a32@lizzy.crudebyte.com>) id 1kVE55-0002qq-S8 for qemu-devel@nongnu.org; Wed, 21 Oct 2020 09:23:08 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:51943) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <3c7c65b476ba44bea6afd0b378b5287e1c671a32@lizzy.crudebyte.com>) id 1kVE53-0003Ut-Hr for qemu-devel@nongnu.org; Wed, 21 Oct 2020 09:23:07 -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=+sqFbrtyOtaobi6Og+lZZDKAY/uMSaJyf2gBFTvGVcE=; b=n9DsV WH9tRBxfIbMZfTZnuE7XT0VbYzxmBZ/RCUf8Vozd3ILg/oMfigQvocmTmWYO8zX7FmWxcTrtBlBRh yp4KYqprdvK6xVLBI9lr5gjc9Jdp8JD8oaZombN55APA0U6QwTihZUBpKQn6BjIKHYlFXdhKULglD 7dhhVGph7PkyiUs60TzOuzU1OjyAauGcUpmlDsDUKGRe2TJzCyFg7ASdwR0sW7GofOdxsfHMJWO+H xOlymX9AbRAZ2PjVytrkNn2Q9zEEwbgUik9RqNUR+j+kSO2u4EGEEkBcigSKifPa4mE+FF06TU7Yy H6OUZ2cKtTCsg7c7J526V4o4WqYaQ==; Message-Id: <3c7c65b476ba44bea6afd0b378b5287e1c671a32.1603285620.git.qemu_oss@crudebyte.com> In-Reply-To: References: From: Christian Schoenebeck Date: Wed, 21 Oct 2020 14:17:01 +0200 Subject: [PATCH v2 2/8] tests/9pfs: add local Tunlinkat directory test To: qemu-devel@nongnu.org Cc: Greg Kurz Received-SPF: none client-ip=91.194.90.13; envelope-from=3c7c65b476ba44bea6afd0b378b5287e1c671a32@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/21 09:21:52 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This test case uses a Tunlinkat 9p request with flag AT_REMOVEDIR (see 'man 2 unlink') to remove a directory from host's test directory. Signed-off-by: Christian Schoenebeck Reviewed-by: Greg Kurz --- 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 21807037df..abd7e44648 100644 --- a/tests/qtest/virtio-9p-test.c +++ b/tests/qtest/virtio-9p-test.c @@ -258,6 +258,7 @@ static const char *rmessage_name(uint8_t id) id == P9_RLOPEN ? "RLOPEN" : id == P9_RWRITE ? "RWRITE" : id == P9_RMKDIR ? "RMKDIR" : + id == P9_RUNLINKAT ? "RUNLINKAT" : id == P9_RFLUSH ? "RFLUSH" : id == P9_RREADDIR ? "READDIR" : ""; @@ -693,6 +694,33 @@ static void v9fs_rmkdir(P9Req *req, v9fs_qid *qid) 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 *name, + uint32_t flags, uint16_t tag) +{ + P9Req *req; + + uint32_t body_size = 4 + 4; + uint16_t string_size = v9fs_string_size(name); + + g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); + body_size += string_size; + + req = v9fs_req_init(v9p, body_size, P9_TUNLINKAT, tag); + v9fs_uint32_write(req, dirfd); + v9fs_string_write(req, name); + v9fs_uint32_write(req, flags); + v9fs_req_send(req); + return req; +} + +/* size[4] Runlinkat tag[2] */ +static void v9fs_runlinkat(P9Req *req) +{ + v9fs_req_recv(req, P9_RUNLINKAT); + v9fs_req_free(req); +} + /* basic readdir test where reply fits into a single response message */ static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc) { @@ -1004,6 +1032,22 @@ static void do_mkdir(QVirtio9P *v9p, const char *path, const char *cname) g_free(name); } +static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rpath, + uint32_t flags) +{ + char *const name = g_strdup(rpath); + uint32_t fid; + P9Req *req; + + fid = do_walk(v9p, atpath); + + req = v9fs_tunlinkat(v9p, fid, name, flags, 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_runlinkat(req); + + g_free(name); +} + static void fs_readdir_split_128(void *obj, void *data, QGuestAllocator *t_alloc) { @@ -1050,6 +1094,32 @@ static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc) g_free(root_path); } +static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtio9P *v9p = obj; + alloc = t_alloc; + struct stat st; + char *root_path = virtio_9p_test_path(""); + char *new_dir = virtio_9p_test_path("02"); + + g_assert(root_path != NULL); + + do_attach(v9p); + do_mkdir(v9p, "/", "02"); + + /* check if created directory really exists now ... */ + g_assert(stat(new_dir, &st) == 0); + /* ... and is actually a directory */ + g_assert((st.st_mode & S_IFMT) == S_IFDIR); + + do_unlinkat(v9p, "/", "02", AT_REMOVEDIR); + /* directory should be gone now */ + g_assert(stat(new_dir, &st) != 0); + + g_free(new_dir); + g_free(root_path); +} + static void *assign_9p_local_driver(GString *cmd_line, void *arg) { virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr"); @@ -1090,6 +1160,7 @@ static void register_virtio_9p_test(void) opts.before = assign_9p_local_driver; qos_add_test("local/config", "virtio-9p", pci_config, &opts); qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts); + qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts); } libqos_init(register_virtio_9p_test);