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 F2B4E377562; Thu, 26 Feb 2026 14:42:14 +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=1772116935; cv=none; b=R1VcVq7ZFkAsBE4vXsBxZAeAErb6FLoju0qKl0sRnekwO2j3qpfwNl2YwWQkbhjUiM8i/PjzQaLuHvUeabrLCv2+Cfndh6rrTU/KL/9aNFJQPTiJxaHJXI+3aDeSuLH3YOU7luzVPv3oEsImNUMfpb0SBybnBu4BWtMGhS/TC7k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772116935; c=relaxed/simple; bh=spl/u6G3mh/AR56lY6Yc5TU+Cds3VIwdZjxaSh1KxBc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rZd9pmWY83AopMGgR8N0QhMFOfH99SlyJNo9cry/TKvX91J65hFx67r6PdMeS024/yijE9VIaLhe2O8z1cGK2eV+7jDOM8aaNjCrVBqKC09GhgZAAuPFLFDePOID8KzlmR2VhXIQ19Z52etiHfFnIELAKBZVWQSh6vdLiAwPOuo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=C30D8nyQ; 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="C30D8nyQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 608E2C116C6; Thu, 26 Feb 2026 14:42:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772116934; bh=spl/u6G3mh/AR56lY6Yc5TU+Cds3VIwdZjxaSh1KxBc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C30D8nyQFTzp/271Jgmodg/JFLYGthoyJMSz1cI+TcDk+lDt7z+JBGmMK7JPGf1LM hwLT9tinf9EIVb7pYeHGEnbfKcERSh4vPsMeWsgS2R6ay/K3oMEzx82akjduLl2CiM xlEVByzIJkY7FiIwe21ynGyYolYAXPgLIoCemTXVFl+///t/k9jWWskdErkiYXLvYs tLxggKu7nH0iPUqzJaMfIMurCBBYxuF5gQxVAEMABQ69UuzaKcYi63AVEeO6Sc8if6 57fP7RJZo95eRMsWSNUD6nhdWG9RNvYHRyNsrNprnw/xOiyVe2q/lCitkrBayrgEY2 WWQbGFJXdHiuQ== From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org Subject: [PATCH 9/9] fstests: verify exportfs file handles on cloned filesystems Date: Thu, 26 Feb 2026 22:41:50 +0800 Message-ID: <7bca92ab726b6edc5d96abfe54ce28aeea13ac87.1772095513.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 | 67 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/795.out | 2 ++ 2 files changed, 69 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..b6a75e500949 --- /dev/null +++ b/tests/generic/795 @@ -0,0 +1,67 @@ +#! /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_scratch_dev_pool 2 +_require_test_program "open_by_handle" + +_cleanup() +{ + cd / + rm -r -f $tmp.* + _unmount $mnt2 2>/dev/null + _scratch_dev_pool_put +} + +# 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 $NUMFILES +} + +_scratch_dev_pool_get 2 +_scratch_mkfs_sized_clone >$seqres.full 2>&1 +devs=($SCRATCH_DEV_POOL) +mnt2=$TEST_DIR/mnt2 +mkdir -p $mnt2 + +_scratch_mount $(_clone_mount_option) +_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 + +_scratch_unmount +_unmount $mnt2 +_mount $(_common_dev_mount_options) $(_clone_mount_option) ${devs[1]} $mnt2 || \ + _fail "Failed to mount dev2" +_scratch_mount $(_clone_mount_option) + +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