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+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2022-2024 Oracle, Inc. All Rights Reserved.
+#
+# FS QA Test No. 1834
+#
+# Test log recovery with repeated (simulated) disk failures. We kick
+# off fsstress on the scratch fs to exercise extended attribute operations,
+# then switch out the underlying device with dm-error to see what happens when
+# the disk goes down. Having taken down the fs in this manner, remount it and
+# repeat.
+#
+. ./common/preamble
+_begin_fstest shutdown auto log metadata eio recoveryloop attr
+
+# Override the default cleanup function.
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+ $KILLALL_PROG -9 fsstress > /dev/null 2>&1
+ _dmerror_unmount
+ _dmerror_cleanup
+}
+
+# Import common functions.
+. ./common/dmerror
+
+# Modify as appropriate.
+_supported_fs generic
+
+_require_scratch
+_require_dm_target error
+_require_command "$KILLALL_PROG" "killall"
+
+echo "Silence is golden."
+
+_scratch_mkfs >> $seqres.full 2>&1
+_require_metadata_journaling $SCRATCH_DEV
+_dmerror_init
+_dmerror_mount
+
+args=('-z' '-S' 'c')
+
+# Do some directory tree modifications, but the bulk of this is geared towards
+# exercising the xattr code, especially attr_set which can do up to 10k values.
+for verb in unlink rmdir; do
+ args+=('-f' "${verb}=50")
+done
+for verb in creat mkdir; do
+ args+=('-f' "${verb}=2")
+done
+for verb in getfattr listfattr; do
+ args+=('-f' "${verb}=3")
+done
+for verb in attr_remove removefattr; do
+ args+=('-f' "${verb}=4")
+done
+args+=('-f' "setfattr=20")
+args+=('-f' "attr_set=60") # sets larger xattrs
+
+while _soak_loop_running $((50 * TIME_FACTOR)); do
+ ($FSSTRESS_PROG "${args[@]}" $FSSTRESS_AVOID -d $SCRATCH_MNT -n 999999 -p $((LOAD_FACTOR * 4)) >> $seqres.full &) \
+ > /dev/null 2>&1
+
+ # purposely include 0 second sleeps to test shutdown immediately after
+ # recovery
+ sleep $((RANDOM % 3))
+
+ # This test aims to simulate sudden disk failure, which means that we
+ # do not want to quiesce the filesystem or otherwise give it a chance
+ # to flush its logs. Therefore we want to call dmsetup with the
+ # --nolockfs parameter; to make this happen we must call the load
+ # error table helper *without* 'lockfs'.
+ _dmerror_load_error_table
+
+ ps -e | grep fsstress > /dev/null 2>&1
+ while [ $? -eq 0 ]; do
+ $KILLALL_PROG -9 fsstress > /dev/null 2>&1
+ wait > /dev/null 2>&1
+ ps -e | grep fsstress > /dev/null 2>&1
+ done
+
+ # Mount again to replay log after loading working table, so we have a
+ # consistent XFS after test.
+ _dmerror_unmount || _fail "unmount failed"
+ _dmerror_load_working_table
+ _dmerror_mount || _fail "mount failed"
+done
+
+# success, all done
+status=0
+exit
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+QA output created by 1834
+Silence is golden.