From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 ABB7338B7B8; Sat, 21 Mar 2026 11:58:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774094338; cv=none; b=nFqIYy/xeY1/f1Ngywba0Bz2JdLW8A+5cQj9JbYZA9BCtwUO7V/sVPBbPLXw3216h2VDNSMJpN+uQofTR1jb0M5zh1I37wUCu1ct5RxUV3AHvf8/pU56DzY6gz6PxzNITySaM65oS8t78Q7DXIADHm4Lorpq3IiyHzjKKTlHcnc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774094338; c=relaxed/simple; bh=vkD0TMxCQA1e6lAgbwcqQ3f1iU5VP/mMQrrQ8vZ1S1Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QPpo+AgNAlh6hbnXtWYToejMd2oVNwgzfA9B4fdJ34c5iBeL8s6s1jgkVNWkt/EajtVK/RRxriZXJP/GoV50lmlD+06tX8dOAOATrik8N2j0f32FAgyGB1eNXJcMBXxNvjyr8jUSKd91pR5xCkiLUp43SNXmBuHwgbePboUEBso= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fXidf/sq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fXidf/sq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8B64C2BC87; Sat, 21 Mar 2026 11:58:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774094338; bh=vkD0TMxCQA1e6lAgbwcqQ3f1iU5VP/mMQrrQ8vZ1S1Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fXidf/sq9eENtimtVptQGgnFzbwZ4NPtTE3g67w/ygJNiu9ID2pSI4WrSncYemtfF FjdqqiNTWWqzBtSS6zTfg06KaK997rQnoh9UL1aK8Nt0HPvi/evnzDy094rhNph65q 7l8kxkbGslx9l4Tg6czMLniv6mA+du0j+E5SnBeogA9OkMpzdYBMRGr6qp3Sc2Ccw0 0I0l11cR9KcjnMaZawhl2jLV/BYdK6GrIpFSjb2bNzmQmFvygfjO+oC42Wch1TMUz7 EYIPwqB6ajaV0x/Z7OGYKL+1uhqG8OXh/bKtB9fPgmoh1CDQJQbAKQCoTrdI4h+zVE ZNUApxKL+KthQ== From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, amir73il@gmail.com, zlang@redhat.com, hch@infradead.org Subject: [PATCH v2 9/9] fstests: verify exportfs file handles on cloned filesystems Date: Sat, 21 Mar 2026 19:58:30 +0800 Message-ID: <736c214977f6cd2ce25aaa237a49d0907481ee38.1774090817.git.asj@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Ensure that exportfs can correctly decode file handles on a cloned filesystem across a mount cycle, by file handles generated on a cloned device remain valid after mount cycle. Signed-off-by: Anand Jain --- tests/generic/795 | 73 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/795.out | 2 ++ 2 files changed, 75 insertions(+) create mode 100644 tests/generic/795 create mode 100644 tests/generic/795.out diff --git a/tests/generic/795 b/tests/generic/795 new file mode 100644 index 000000000000..e7ba146350ee --- /dev/null +++ b/tests/generic/795 @@ -0,0 +1,73 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2026 Anand Jain . All Rights Reserved. +# +# FS QA Test No. 795 + +. ./common/preamble + +_begin_fstest auto quick exportfs clone + +_require_test +_require_exportfs +_require_loop +_require_nouuid_mountopt +_require_test_program "open_by_handle" + +_cleanup() +{ + cd / + rm -r -f $tmp.* + _unmount $mnt1 2>/dev/null + _unmount $mnt2 2>/dev/null + _loop_image_destroy "${devs[@]}" 2> /dev/null +} + +# Create test dir and test files, encode file handles and store to tmp file +create_test_files() +{ + rm -rf $testdir + mkdir -p $testdir + $here/src/open_by_handle -cwp -o $tmp.handles_file $testdir $NUMFILES +} + +# Decode file handles loaded from tmp file +test_file_handles() +{ + local opt=$1 + local when=$2 + + echo test_file_handles after $when + $here/src/open_by_handle $opt -i $tmp.handles_file $mnt2 $NUMFILES +} + +devs=() +_loop_image_create_clone devs +mkdir -p $TEST_DIR/$seq +mnt1=$TEST_DIR/$seq/mnt1 +mnt2=$TEST_DIR/$seq/mnt2 +mkdir -p $mnt1 +mkdir -p $mnt2 + +_mount $(_common_dev_mount_options) $(_clone_mount_option) ${devs[0]} $mnt1 || \ + _fail "Failed to mount dev1" +_mount $(_common_dev_mount_options) $(_clone_mount_option) ${devs[1]} $mnt2 || \ + _fail "Failed to mount dev2" + +NUMFILES=1 +testdir=$mnt2/testdir + +# Decode file handles of files/dir after cycle mount +create_test_files + +_unmount $mnt1 +_unmount $mnt2 +_mount $(_common_dev_mount_options) $(_clone_mount_option) ${devs[1]} $mnt2 || \ + _fail "Failed to mount dev2" +_mount $(_common_dev_mount_options) $(_clone_mount_option) ${devs[0]} $mnt1 || \ + _fail "Failed to mount dev1" + +test_file_handles -rp "cycle mount" + +status=0 +exit diff --git a/tests/generic/795.out b/tests/generic/795.out new file mode 100644 index 000000000000..774fe7487d65 --- /dev/null +++ b/tests/generic/795.out @@ -0,0 +1,2 @@ +QA output created by 795 +test_file_handles after cycle mount -- 2.43.0