[PATCH v2 10/10] btrfs: test tempfsid with device add, seed, and balance

Anand Jain
2024-02-19T19:50:10Z

Make sure that basic functions such as seeding and device add fail,
while balance runs successfully with tempfsid.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
v2:
Remove unnecessary function.
Add clone group
use $UMOUNT_PROG
Let _cp_reflink fail on the stdout.

tests/btrfs/315 | 79 +++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/315.out | 9 ++++++
2 files changed, 88 insertions(+)
create mode 100755 tests/btrfs/315
create mode 100644 tests/btrfs/315.out

diff --git a/tests/btrfs/315 b/tests/btrfs/315
new file mode 100755
index 000000000000..4376c7f1849c
--- /dev/null
+++ b/tests/btrfs/315
@@ -0,0 +1,79 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2024 YOUR NAME HERE. All Rights Reserved.
+#
+# FS QA Test 315
+#
+# Verify if the seed and device add to a tempfsid filesystem fails.
+#
+. ./common/preamble
+_begin_fstest auto quick volume seed tempfsid
+
+_cleanup()
+{
+ cd /
+ $UMOUNT_PROG $tempfsid_mnt 2>/dev/null
+ rm -r -f $tmp.*
+ rm -r -f $tempfsid_mnt
+}
+
+. ./common/filter.btrfs
+
+_supported_fs btrfs
+_require_btrfs_sysfs_fsid
+_require_scratch_dev_pool 3
+_require_btrfs_fs_feature temp_fsid
+_require_btrfs_command inspect-internal dump-super
+_require_btrfs_mkfs_uuid_option
+
+_scratch_dev_pool_get 3
+
+# mount point for the tempfsid device
+tempfsid_mnt=$TEST_DIR/$seq/tempfsid_mnt
+
+seed_device_must_fail()
+{
+ echo ---- $FUNCNAME ----
+
+ mkfs_clone ${SCRATCH_DEV} ${SCRATCH_DEV_NAME[1]}
+
+ $BTRFS_TUNE_PROG -S 1 ${SCRATCH_DEV}
+ $BTRFS_TUNE_PROG -S 1 ${SCRATCH_DEV_NAME[1]}
+
+ _scratch_mount 2>&1 | _filter_scratch
+ _mount ${SCRATCH_DEV_NAME[1]} ${tempfsid_mnt} 2>&1 | _filter_test_dir
+}
+
+device_add_must_fail()
+{
+ echo ---- $FUNCNAME ----
+
+ mkfs_clone ${SCRATCH_DEV} ${SCRATCH_DEV_NAME[1]}
+ _scratch_mount
+ _mount ${SCRATCH_DEV_NAME[1]} ${tempfsid_mnt}
+
+ $XFS_IO_PROG -fc 'pwrite -S 0x61 0 9000' $SCRATCH_MNT/foo | \
+ _filter_xfs_io
+
+$BTRFS_UTIL_PROG device add -f ${SCRATCH_DEV_NAME[2]} ${tempfsid_mnt} >> \
+ $seqres.full 2>&1 && _fail "Failed to file device add"
+
+ echo Balance must be successful
+ _run_btrfs_balance_start ${tempfsid_mnt}
+}
+
+mkdir -p $tempfsid_mnt
+
+seed_device_must_fail
+
+_scratch_unmount
+_cleanup
+mkdir -p $tempfsid_mnt
+
+device_add_must_fail
+
+_scratch_dev_pool_put
+
+# success, all done
+status=0
+exit
diff --git a/tests/btrfs/315.out b/tests/btrfs/315.out
new file mode 100644
index 000000000000..e882fe41146d
--- /dev/null
+++ b/tests/btrfs/315.out
@@ -0,0 +1,9 @@
+QA output created by 315
+---- seed_device_must_fail ----
+mount: SCRATCH_MNT: WARNING: source write-protected, mounted read-only.
+mount: TEST_DIR/315/tempfsid_mnt: mount(2) system call failed: File exists.
+---- device_add_must_fail ----
+wrote 9000/9000 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Balance must be successful
+Done, had to relocate 3 out of 3 chunks
--
2.39.3