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