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 <[email protected]> --- tests/generic/805 | 80 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/805.out | 2 ++ 2 files changed, 82 insertions(+) create mode 100644 tests/generic/805 create mode 100644 tests/generic/805.out diff --git a/tests/generic/805 b/tests/generic/805 new file mode 100644 index 000000000000..5827eee039df --- /dev/null +++ b/tests/generic/805 @@ -0,0 +1,80 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2026 Anand Jain <[email protected]>. All Rights Reserved. +# +# FS QA Test No. 805 +# Verify that file handles encoded on a cloned filesystem remain valid and +# resolvable via open_by_handle across a mount cycle and mount order swap. + +. ./common/preamble + +_begin_fstest auto quick exportfs clone + +_require_test +_require_block_device $TEST_DEV +_require_exportfs +_require_loop +_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 +} + +# Attempt to read and decode the saved file handles on the targeted mount point. +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 +} + +# Setup base loop device and its clone +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 both identical UUID filesystems simultaneously +_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 + +# Cycle mounts and reverse initialization sequence to check if +# file handle lookups are okay +_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" + +# Verify file handles can still be resolved post-mount-cycle +test_file_handles -rp "cycle mount" + +status=0 +exit diff --git a/tests/generic/805.out b/tests/generic/805.out new file mode 100644 index 000000000000..29b11ec77ffb --- /dev/null +++ b/tests/generic/805.out @@ -0,0 +1,2 @@ +QA output created by 805 +test_file_handles after cycle mount -- 2.43.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
