#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Fujitsu.  All Rights Reserved.
#
# FS QA Test 126
#
# Regression test for leaking data space after hitting EDQUOTA
#
. ./common/preamble
_begin_fstest auto quick qgroup limit

# Import common functions.
. ./common/filter

# real QA test starts here

# Modify as appropriate.
_supported_fs btrfs
_require_scratch
_require_btrfs_qgroup_report

# This test requires specific data space usage, skip if we have compression
# enabled.
_require_no_compress

_scratch_mkfs >/dev/null
# Use enospc_debug mount option to trigger restrict space info check
_scratch_mount "-o enospc_debug"

_run_btrfs_util_prog quota enable $SCRATCH_MNT
_qgroup_rescan $SCRATCH_MNT
_run_btrfs_util_prog qgroup limit 512K 0/5 $SCRATCH_MNT

# The amount of written data may change due to different nodesize at mkfs time,
# so redirect stdout to seqres.full.
# Also, EDQUOTA is expected, which can't be redirected due to the limitation
# of _filter_xfs_io, so golden output will include EDQUOTA error message
_pwrite_byte 0xcdcdcdcd 0 1M $SCRATCH_MNT/test_file 2>&1 >> $seqres.full | \
	_filter_xfs_io_error

# Fstests will umount the fs, and at umount time, kernel warning will be
# triggered

# success, all done
status=0
exit