From: Darrick J. Wong <djwong@xxxxxxxxxx> Add some functionality tests for the new health monitoring code. Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx> --- doc/group-names.txt | 1 + tests/xfs/1885 | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/1885.out | 5 +++++ 3 files changed, 59 insertions(+) create mode 100755 tests/xfs/1885 create mode 100644 tests/xfs/1885.out diff --git a/doc/group-names.txt b/doc/group-names.txt index b04d0180e8ec02..8fbb260d8c7bb5 100644 --- a/doc/group-names.txt +++ b/doc/group-names.txt @@ -117,6 +117,7 @@ samefs overlayfs when all layers are on the same fs scrub filesystem metadata scrubbers seed btrfs seeded filesystems seek llseek functionality +selfhealing self healing filesystem code selftest tests with fixed results, used to validate testing setup send btrfs send/receive shrinkfs decreasing the size of a filesystem diff --git a/tests/xfs/1885 b/tests/xfs/1885 new file mode 100755 index 00000000000000..1b87af3a9178fc --- /dev/null +++ b/tests/xfs/1885 @@ -0,0 +1,53 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2024-2025 Oracle. All Rights Reserved. +# +# FS QA Test 1885 +# +# Make sure that healthmon handles module refcount correctly. +# +. ./common/preamble +_begin_fstest auto selfhealing + +. ./common/filter +. ./common/module + +refcount_file="/sys/module/xfs/refcnt" +test -e "$refcount_file" || _notrun "cannot find xfs module refcount" + +_require_test +_require_xfs_io_command healthmon + +# Capture mod refcount without the test fs mounted +_test_unmount +init_refcount="$(cat "$refcount_file")" + +# Capture mod refcount with the test fs mounted +_test_mount +nomon_mount_refcount="$(cat "$refcount_file")" + +# Capture mod refcount with test fs mounted and the healthmon fd open. +# Pause the xfs_io process so that it doesn't actually respond to events. +$XFS_IO_PROG -c 'healthmon -c -v' $TEST_DIR & +sleep 0.5 +kill -STOP %1 +mon_mount_refcount="$(cat "$refcount_file")" + +# Capture mod refcount with only the healthmon fd open. +_test_unmount +mon_nomount_refcount="$(cat "$refcount_file")" + +# Capture mod refcount after continuing healthmon (which should exit due to the +# unmount) and killing it. +kill -CONT %1 +kill %1 +wait +nomon_nomount_refcount="$(cat "$refcount_file")" + +_within_tolerance "mount refcount" "$nomon_mount_refcount" "$((init_refcount + 1))" 0 -v +_within_tolerance "mount + healthmon refcount" "$mon_mount_refcount" "$((init_refcount + 2))" 0 -v +_within_tolerance "healthmon refcount" "$mon_nomount_refcount" "$((init_refcount + 1))" 0 -v +_within_tolerance "end refcount" "$nomon_nomount_refcount" "$init_refcount" 0 -v + +status=0 +exit diff --git a/tests/xfs/1885.out b/tests/xfs/1885.out new file mode 100644 index 00000000000000..f152cef0525609 --- /dev/null +++ b/tests/xfs/1885.out @@ -0,0 +1,5 @@ +QA output created by 1885 +mount refcount is in range +mount + healthmon refcount is in range +healthmon refcount is in range +end refcount is in range
