From patchwork Fri Apr 6 10:50:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Yang X-Patchwork-Id: 895662 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=lists.linux.it (client-ip=213.254.12.146; helo=picard.linux.it; envelope-from=ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=cn.fujitsu.com Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40HcFH6jPBz9s0y for ; Fri, 6 Apr 2018 21:01:04 +1000 (AEST) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id E04AB3E6FF2 for ; Fri, 6 Apr 2018 13:00:58 +0200 (CEST) X-Original-To: ltp@lists.linux.it Delivered-To: ltp@picard.linux.it Received: from in-4.smtp.seeweb.it (in-4.smtp.seeweb.it [IPv6:2001:4b78:1:20::4]) by picard.linux.it (Postfix) with ESMTP id E40733E6FE0 for ; Fri, 6 Apr 2018 13:00:56 +0200 (CEST) Received: from heian.cn.fujitsu.com (mail.cn.fujitsu.com [183.91.158.132]) by in-4.smtp.seeweb.it (Postfix) with ESMTP id F2F341002048 for ; Fri, 6 Apr 2018 13:00:52 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.43,368,1503331200"; d="scan'208";a="38646291" Received: from bogon (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 06 Apr 2018 19:00:44 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 56A9348AE772; Fri, 6 Apr 2018 19:00:41 +0800 (CST) Received: from RHEL7U5Alpha_SERVER.g08.fujitsu.local (10.167.220.185) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 6 Apr 2018 19:00:42 +0800 From: Xiao Yang To: Date: Fri, 6 Apr 2018 18:50:18 +0800 Message-ID: <1523011818-5412-2-git-send-email-yangx.jy@cn.fujitsu.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1523011818-5412-1-git-send-email-yangx.jy@cn.fujitsu.com> References: <20180405110242.GA22835@rei> <1523011818-5412-1-git-send-email-yangx.jy@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.220.185] X-yoursite-MailScanner-ID: 56A9348AE772.A71A9 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: yangx.jy@cn.fujitsu.com X-Spam-Status: No, score=-0.0 required=7.0 tests=T_RP_MATCHES_RCVD autolearn=disabled version=3.4.0 X-Virus-Scanned: clamav-milter 0.99.2 at in-4.smtp.seeweb.it X-Virus-Status: Clean X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on in-4.smtp.seeweb.it Cc: ltp@lists.linux.it Subject: [LTP] [PATCH v2 2/2] pwritev/pwritev03.c: Add new testcase X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.18 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" Check the basic functionality of the pwritev(2) for the file opened with O_DIRECT in all filesystem. Signed-off-by: Xiao Yang --- runtest/ltplite | 1 + runtest/stress.part3 | 1 + runtest/syscalls | 2 + testcases/kernel/syscalls/.gitignore | 2 + testcases/kernel/syscalls/pwritev/pwritev03.c | 137 ++++++++++++++++++++++++++ 5 files changed, 143 insertions(+) create mode 100644 testcases/kernel/syscalls/pwritev/pwritev03.c diff --git a/runtest/ltplite b/runtest/ltplite index e8c6900..1f4d91c 100644 --- a/runtest/ltplite +++ b/runtest/ltplite @@ -612,6 +612,7 @@ pwrite04_64 pwrite04_64 pwritev01 pwritev01 pwritev02 pwritev02 +pwritev03 pwritev03 read01 read01 read02 read02 diff --git a/runtest/stress.part3 b/runtest/stress.part3 index be912c8..96f7953 100644 --- a/runtest/stress.part3 +++ b/runtest/stress.part3 @@ -517,6 +517,7 @@ pwrite04_64 pwrite04_64 pwritev01 pwritev01 pwritev02 pwritev02 +pwritev03 pwritev03 read01 read01 read02 read02 diff --git a/runtest/syscalls b/runtest/syscalls index fb71c38..8461b94 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -865,6 +865,8 @@ pwritev01 pwritev01 pwritev01_64 pwritev01_64 pwritev02 pwritev02 pwritev02_64 pwritev02_64 +pwritev03 pwritev03 +pwritev03_64 pwritev03_64 quotactl01 quotactl01 quotactl02 quotactl02 diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore index ec2af68..c3bc662 100644 --- a/testcases/kernel/syscalls/.gitignore +++ b/testcases/kernel/syscalls/.gitignore @@ -726,6 +726,8 @@ /pwritev/pwritev01_64 /pwritev/pwritev02 /pwritev/pwritev02_64 +/pwritev/pwritev03 +/pwritev/pwritev03_64 /quotactl/quotactl01 /quotactl/quotactl02 /quotactl/quotactl03 diff --git a/testcases/kernel/syscalls/pwritev/pwritev03.c b/testcases/kernel/syscalls/pwritev/pwritev03.c new file mode 100644 index 0000000..0d955c2 --- /dev/null +++ b/testcases/kernel/syscalls/pwritev/pwritev03.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2018 FUJITSU LIMITED. All rights reserved. + * Author: Xiao Yang + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * You should have received a copy of the GNU General Public License + * alone with this program. + */ + +/* + * Test Name: pwritev03 + * + * Test Description: + * Check the basic functionality of the pwritev(2) for the file + * opened with O_DIRECT in all filesystem. + * pwritev(2) should succeed to write the expected content of data + * and after writing the file, the file offset is not changed. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include "tst_test.h" +#include "pwritev.h" +#include "tst_safe_prw.h" + +#define MNTPOINT "mntpoint" +#define FNAME MNTPOINT"/file" + +static char *initbuf; +static char *preadbuf; +static struct iovec *wr_iovec; +static int fd, pgsz; +static off_t org_off, tst_off; +static ssize_t exp_sz; + +static struct tcase { + int count; + off_t *offset; + ssize_t *size; +} tcases[] = { + {1, &org_off, &exp_sz}, + {2, &org_off, &exp_sz}, + {1, &tst_off, &exp_sz}, +}; + +static void verify_direct_pwritev(unsigned int n) +{ + int i; + struct tcase *tc = &tcases[n]; + + SAFE_PWRITE(1, fd, initbuf, pgsz, 0); + + TEST(pwritev(fd, wr_iovec, tc->count, *tc->offset)); + if (TEST_RETURN < 0) { + tst_res(TFAIL | TTERRNO, "Pwritev(O_DIRECT) fails"); + return; + } + + if (TEST_RETURN != *tc->size) { + tst_res(TFAIL, "Pwritev(O_DIRECT) wrote %li bytes, expected %zi", + TEST_RETURN, *tc->size); + return; + } + + if (SAFE_LSEEK(fd, 0, SEEK_CUR) != 0) { + tst_res(TFAIL, "Pwritev(O_DIRECT) had changed file offset"); + return; + } + + memset(preadbuf, 0x00, pgsz); + SAFE_PREAD(1, fd, preadbuf, *tc->size, *tc->offset); + + for (i = 0; i < *tc->size; i++) { + if (preadbuf[i] != 0x61) + break; + } + + if (i != *tc->size) { + tst_res(TFAIL, "Buffer wrong at %i have %02x expected 0x61", + i, preadbuf[i]); + return; + } + + tst_res(TPASS, "Pwritev(O_DIRECT) wrote %zi bytes successfully " + "with content 'a' expectedly ", *tc->size); +} + +static void setup(void) +{ + pgsz = getpagesize(); + tst_off = pgsz / 2; + exp_sz = pgsz; + + fd = SAFE_OPEN(FNAME, O_RDWR | O_CREAT | O_DIRECT, 0644); + + initbuf = SAFE_MEMALIGN(pgsz, pgsz); + memset(initbuf, 0x00, pgsz); + + preadbuf = SAFE_MEMALIGN(pgsz, pgsz); + + wr_iovec = SAFE_MEMALIGN(pgsz, pgsz + sizeof(size_t)); + wr_iovec->iov_base = SAFE_MEMALIGN(pgsz, pgsz); + wr_iovec->iov_len = pgsz; + memset(wr_iovec->iov_base, 0x61, pgsz); +} + +static void cleanup(void) +{ + free(initbuf); + free(preadbuf); + free(wr_iovec->iov_base); + free(wr_iovec); + + if (fd > 0) + SAFE_CLOSE(fd); +} + +static struct tst_test test = { + .tcnt = ARRAY_SIZE(tcases), + .setup = setup, + .cleanup = cleanup, + .test = verify_direct_pwritev, + .min_kver = "2.6.30", + .mntpoint = MNTPOINT, + .mount_device = 1, + .all_filesystems = 1, +};