From mboxrd@z Thu Jan 1 00:00:00 1970 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 EAA3AC4332D for ; Fri, 12 Mar 2021 13:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD4BB64FFE for ; Fri, 12 Mar 2021 13:24:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229487AbhCLNYI (ORCPT ); Fri, 12 Mar 2021 08:24:08 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:34173 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229909AbhCLNXr (ORCPT ); Fri, 12 Mar 2021 08:23:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615555426; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=k2tjixoAStTnogrhkVymAFfTewXN8ABravtMZnYtE9k=; b=XmnNKpMYTor39FcFrkUvsjh6v+eHwKaj5AW+1eubdQipzZ3S6TWazR5FSzpdKsQAPLrNyB rr7d9xxN42117EwplWcMLBZ5WqSQ6Vlf+CVZDYncOzNAgEJ/tPvMTUaZtc6i0OEcttzJTI JVf95BylrLEwKRglp1crRRMlFBevqvQ= Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-261-npPfnEfCO2C9dBwhEFqMSg-1; Fri, 12 Mar 2021 08:23:45 -0500 X-MC-Unique: npPfnEfCO2C9dBwhEFqMSg-1 Received: by mail-pj1-f71.google.com with SMTP id p18so8558634pjo.8 for ; Fri, 12 Mar 2021 05:23:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=k2tjixoAStTnogrhkVymAFfTewXN8ABravtMZnYtE9k=; b=J7iGLzQyHfW9MntBut19Q9kWu7w29X+cQXp2YLjqS7um0LR4wW1vCdmMDHIxpAP5oi TAciA6lTQuSKnsLerScKA5Ergh6YW6DvTx6CXuJUMJuL0XDEzN9eCM2Z0D7AxoVu/VPX 7pu2Vz2DgGHS4vYRWyK69zgTRgF8zWXwykdmxa6EZ5+hyRLAcspUUdbKjsrSIdWkNQju 5pBeIxsPRX0SfC/7CrjV+ICN/xe5bhEwcZdsS03xnUQR9FlOf5CsSp16NP2iGlC2473c D2O+Mxdmi5QMvlhfQmN8J4JZGrZOzl+e4GOSbFybyrxMBrGMjKQPZ0asL5NeYRqzs8Ao uOuA== X-Gm-Message-State: AOAM530dbz3RH7A7ZxWz1eJA+Tnvvaug2LB8TrWC+fMjV3CakoW+Ye+o NXYsagW0lzfc/9b0KWIgYOysR4nuNMmA5toKaFqHcXXuqcu2TZ364sI/PkAY36bjny1ec0fMHuQ H9XPKJC1Xy+XvFdYxXQ== X-Received: by 2002:a17:902:dacd:b029:e5:cf71:3901 with SMTP id q13-20020a170902dacdb02900e5cf713901mr12935156plx.23.1615555423971; Fri, 12 Mar 2021 05:23:43 -0800 (PST) X-Google-Smtp-Source: ABdhPJzL+Wyf9kV7inSJdydjTy5qZX4SVPvpUS8Q8UwCKX4K+H26LEK2pR6RSa3ASXATL8NAI3BmpQ== X-Received: by 2002:a17:902:dacd:b029:e5:cf71:3901 with SMTP id q13-20020a170902dacdb02900e5cf713901mr12935144plx.23.1615555423799; Fri, 12 Mar 2021 05:23:43 -0800 (PST) Received: from xiangao.remote.csb ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id j17sm5428234pfn.70.2021.03.12.05.23.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 05:23:43 -0800 (PST) From: Gao Xiang To: linux-xfs@vger.kernel.org, fstests@vger.kernel.org Cc: "Darrick J. Wong" , Zorro Lang , Gao Xiang Subject: [RFC PATCH v2 1/3] common/xfs: add a _require_xfs_shrink helper Date: Fri, 12 Mar 2021 21:22:58 +0800 Message-Id: <20210312132300.259226-2-hsiangkao@redhat.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210312132300.259226-1-hsiangkao@redhat.com> References: <20210312132300.259226-1-hsiangkao@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org In order to detect whether the current kernel supports XFS shrinking. Signed-off-by: Gao Xiang --- use -D1 rather than -D0 since xfs_growfs would report unchanged size instead. common/xfs | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/common/xfs b/common/xfs index 2156749d..326edacc 100644 --- a/common/xfs +++ b/common/xfs @@ -432,6 +432,16 @@ _supports_xfs_scrub() return 0 } +_require_xfs_shrink() +{ + _scratch_mkfs_xfs >/dev/null 2>&1 + + _scratch_mount + $XFS_GROWFS_PROG -D1 "$SCRATCH_MNT" 2>&1 | grep -q 'Invalid argument' || { \ + _scratch_unmount; _notrun "kernel does not support shrinking"; } + _scratch_unmount +} + # run xfs_check and friends on a FS. _check_xfs_filesystem() { -- 2.27.0