From patchwork Tue Mar 18 07:28:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Yi X-Patchwork-Id: 14020442 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79D491FE460 for ; Tue, 18 Mar 2025 07:37:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742283425; cv=none; b=knNbHXiDg/crV80xpH+ukcKkLrsWxoLfZCKspzC0WRSjELHHNpyVtdiig6F42il8/412pxUeusi2k0cbYxpRFU5JvtuYO/jjAhOiyKa0/1JwTsWZ2QpwSDFT6PlGQlHM2wZ87w/GrQ0G8q2FoI4lEoX+z54nBo2cbtqmoh8/RDo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742283425; c=relaxed/simple; bh=FxIKGGj1FAzSa3q463IdI5kXhXubtDHbU714Dd9j8Zk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZF/J9cbsrfMdhkGyUVCxdxZjSWuC6aKNjxfSyx5NQjUHOiH7P2gs7FmLZ17EhT0kDw/unz3Zcg4DDQNC56REnqXdjvZqFyqGH0qppSnAVSn85FEVRztp0gPcWRDHzcd3E4zzBKSa6KX3hpQ2PTV5UzYWGzj6Jfw1RUQ7wmRd+fM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4ZH3Yx6pMJz4f3khS for ; Tue, 18 Mar 2025 15:36:37 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 8D9D41A1940 for ; Tue, 18 Mar 2025 15:37:00 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.112.188]) by APP4 (Coremail) with SMTP id gCh0CgBXu1+PItlnS19YGw--.63204S6; Tue, 18 Mar 2025 15:37:00 +0800 (CST) From: Zhang Yi To: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-block@vger.kernel.org, dm-devel@lists.linux.dev, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org Cc: linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, hch@lst.de, tytso@mit.edu, djwong@kernel.org, john.g.garry@oracle.com, bmarzins@redhat.com, chaitanyak@nvidia.com, shinichiro.kawasaki@wdc.com, yi.zhang@huawei.com, yi.zhang@huaweicloud.com, chengzhihao1@huawei.com, yukuai3@huawei.com, yangerkun@huawei.com Subject: [PATCH blktests 2/3] dm/003: add unmap write zeroes tests Date: Tue, 18 Mar 2025 15:28:34 +0800 Message-ID: <20250318072835.3508696-3-yi.zhang@huaweicloud.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20250318072835.3508696-1-yi.zhang@huaweicloud.com> References: <20250318072835.3508696-1-yi.zhang@huaweicloud.com> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgBXu1+PItlnS19YGw--.63204S6 X-Coremail-Antispam: 1UD129KBjvJXoWxZrWxZw1DKFW5JFyxJFyfCrg_yoW5Xw1fpa 47GF9Yyr47Wr12g3W3uF17WF1rC395ArW3Jay7Cry0krZrZ34aga4xKFy7Z34ftrZ5W3Z5 Aa13ta9Ykr1UtaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUm214x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2 xKxwCY1x0262kKe7AKxVW8ZVWrXwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67 kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8JwCI42IY 6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIx AIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVF xhVjvjDU0xZFpf9x0pRGg4-UUUUU= X-CM-SenderInfo: d1lo6xhdqjqx5xdzvxpfor3voofrz/ From: Zhang Yi Test block device unmap write zeroes sysfs interface with device-mapper stacked devices. The /sys/block//queue/write_zeroes_unmap interface should return 1 if the underlying devices support the unmap write zeroes command, and it should return 0 otherwise. Signed-off-by: Zhang Yi --- common/rc | 16 ++++++++++++++ tests/dm/003 | 57 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/dm/003.out | 2 ++ 3 files changed, 75 insertions(+) create mode 100755 tests/dm/003 create mode 100644 tests/dm/003.out diff --git a/common/rc b/common/rc index bc6c2e4..60c21f2 100644 --- a/common/rc +++ b/common/rc @@ -615,3 +615,19 @@ _io_uring_restore() echo "$IO_URING_DISABLED" > /proc/sys/kernel/io_uring_disabled fi } + +# get real device path name by following link +_real_dev() +{ + local dev=$1 + if [ -b "$dev" ] && [ -L "$dev" ]; then + dev=`readlink -f "$dev"` + fi + echo $dev +} + +# basename of a device +_short_dev() +{ + echo `basename $(_real_dev $1)` +} diff --git a/tests/dm/003 b/tests/dm/003 new file mode 100755 index 0000000..1013eb5 --- /dev/null +++ b/tests/dm/003 @@ -0,0 +1,57 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-3.0+ +# Copyright (C) 2025 Huawei. +# +# Test block device unmap write zeroes sysfs interface with device-mapper +# stacked devices. + +. tests/dm/rc +. common/scsi_debug + +DESCRIPTION="test unmap write zeroes sysfs interface with dm devices" +QUICK=1 + +requires() { + _have_scsi_debug +} + +device_requries() { + _require_test_dev_sysfs queue/write_zeroes_unmap +} + +setup_test_device() { + if ! _configure_scsi_debug "$@"; then + return 1 + fi + + local dev="/dev/${SCSI_DEBUG_DEVICES[0]}" + local blk_sz="$(blockdev --getsz "$dev")" + dmsetup create test --table "0 $blk_sz linear $dev 0" +} + +cleanup_test_device() { + dmsetup remove test + _exit_scsi_debug +} + +test() { + echo "Running ${TEST_NAME}" + + # disable WRITE SAME with unmap + setup_test_device lbprz=0 + umap="$(cat "/sys/block/$(_short_dev /dev/mapper/test)/queue/write_zeroes_unmap")" + if [[ $umap -ne 0 ]]; then + echo "Test disable WRITE SAME with unmap failed." + fi + cleanup_test_device + + # enable WRITE SAME with unmap + setup_test_device lbprz=1 lbpws=1 + umap="$(cat "/sys/block/$(_short_dev /dev/mapper/test)/queue/write_zeroes_unmap")" + if [[ $umap -ne 1 ]]; then + echo "Test enable WRITE SAME with unmap failed." + fi + cleanup_test_device + + echo "Test complete" +} diff --git a/tests/dm/003.out b/tests/dm/003.out new file mode 100644 index 0000000..51a5405 --- /dev/null +++ b/tests/dm/003.out @@ -0,0 +1,2 @@ +Running dm/003 +Test complete