From patchwork Mon Sep 30 21:15:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 11167629 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6922516C1 for ; Mon, 30 Sep 2019 21:19:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3E6B621D7B for ; Mon, 30 Sep 2019 21:19:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569878367; bh=vrx6r+SGfrTyFSiHE5OHRltvBYxK9kX4SHueCOiMXmE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GgVwphdGvAMWLXGJ9KxTGgh/m5WOxe5Tj6Yrm/0pX813Dd3rFE54FDBHIAyDsWWD8 mdn0ZVBykRQez3qqPpHmKdkGnD206BElbzJaQ/ZNDAZYVZ3tDvCMv7sdzJioey2mFk HgVsVBb7NA4AZax2o9lSG/VCJRXtkdoCIAezwm10= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731997AbfI3VT0 (ORCPT ); Mon, 30 Sep 2019 17:19:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:47220 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731206AbfI3VT0 (ORCPT ); Mon, 30 Sep 2019 17:19:26 -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 92FA921855; Mon, 30 Sep 2019 21:19:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569878365; bh=vrx6r+SGfrTyFSiHE5OHRltvBYxK9kX4SHueCOiMXmE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kCBgjUOHkr02WThgME0Yy4+Mefza47yGqPOkgp0zAnQ81ZR2EO+TnpIV1GHfcLbYf Efmkgpwee/BTVol0SZaCHPrapw8opKPbne2URif9cU6ddGj2kMbenTS84x6BhVFRcz fOLPsFLVKsDXtF3gLEovbn5YoJ+VvakO+A0vXVng= 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" Subject: [PATCH v4 1/8] common/filter: add _filter_xfs_io_fiemap() Date: Mon, 30 Sep 2019 14:15:46 -0700 Message-Id: <20190930211553.64208-2-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.444.g18eeb5a265-goog In-Reply-To: <20190930211553.64208-1-ebiggers@kernel.org> References: <20190930211553.64208-1-ebiggers@kernel.org> MIME-Version: 1.0 Sender: linux-fscrypt-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@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 26fc2132..2477f386 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.