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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 732E2C0650E for ; Mon, 1 Jul 2019 18:27:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EBDA2184E for ; Mon, 1 Jul 2019 18:27:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562005649; bh=/TqjxXaacZLBl0M7a8866fUvjTCYt+qsAku09GMwzaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ql8mJxbW2XKOyzYzab01Tt3NbcGJzJJvBOjJi8YEHzgalx8t0JUidpfKHDM/xUhgb skH3wIeAOE2siOocwxCU3aexuaVyGEuawLpNpcwpC+Ngh3ZtqYWUV5EQxQXzwgOr+d gTYwXGBlc8d1+TUiphlgf5ukQAg472dDGLy7UXGA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726605AbfGAS13 (ORCPT ); Mon, 1 Jul 2019 14:27:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:42056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726329AbfGAS12 (ORCPT ); Mon, 1 Jul 2019 14:27:28 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D2A0A2173E; Mon, 1 Jul 2019 18:27:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562005648; bh=/TqjxXaacZLBl0M7a8866fUvjTCYt+qsAku09GMwzaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dQxxnHv37PKpFTpe8HW/se53kzv2A74FRRJO7BSy/a5dyvDMNuJrBMDsVO8W0NWUB JHKyMofa2PmzzQfBIwHsfTqtGv2KnbDstYHG4UTyPTAha3d9pfK6WCvzhZnqKNFUXP EZA20sZJxUFH5y3OMwpTwzqY7+Y+7H4LjaHU0mmc= From: Eric Biggers To: fstests@vger.kernel.org Cc: linux-fscrypt@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Jaegeuk Kim , "Theodore Y . Ts'o" , Victor Hsieh Subject: [RFC PATCH v3 1/8] common/filter: add _filter_xfs_io_fiemap() Date: Mon, 1 Jul 2019 11:25:40 -0700 Message-Id: <20190701182547.165856-2-ebiggers@kernel.org> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog In-Reply-To: <20190701182547.165856-1-ebiggers@kernel.org> References: <20190701182547.165856-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Eric Biggers Add _filter_xfs_io_fiemap() to clean up the output of 'xfs_io -c fiemap'. This will be used by a function in common/verity. Signed-off-by: Eric Biggers --- common/filter | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/common/filter b/common/filter index ed082d24..9ad43ff4 100644 --- a/common/filter +++ b/common/filter @@ -541,6 +541,30 @@ _filter_filefrag() $flags, "\n"' } +# Clean up the extents list output of 'xfs_io -c fiemap', e.g. +# +# file: +# 0: [0..79]: 628365312..628365391 +# 1: [80..159]: hole +# 2: [160..319]: 628365472..628365631 +# => +# 0 79 628365312 628365391 +# 160 319 628365472 628365631 +# +# The fields are: +# +# first_logical_block last_logical_block first_physical_block last_physical_block +# +# Blocks are 512 bytes, and holes are omitted. +# +_filter_xfs_io_fiemap() +{ + grep -E '^[[:space:]]+[0-9]+:' \ + | grep -v '\' \ + | sed -E 's/^[[:space:]]+[0-9]+://' \ + | tr '][.:' ' ' +} + # We generate WARNINGs on purpose when applications mix buffered/mmap IO with # direct IO on the same file. This is a helper for _check_dmesg() to filter out # such warnings. -- 2.22.0.410.gd8fdbe21b5-goog