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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 SUSE. All Rights Reserved.
#
# FS QA Test 139
#
# Check if btrfs quota limits are not reached when you constantly
# create and delete files within the exclusive qgroup limits.
#
# Finally we create files to exceed the quota.
#
. ./common/preamble
_begin_fstest auto qgroup limit
. ./common/filter
_supported_fs btrfs
# We at least need 2GB of free space on $SCRATCH_DEV
_require_scratch_size $((2 * 1024 * 1024))
# This test requires specific data space usage, skip if we have compression
# enabled.
_require_no_compress
_scratch_mkfs > /dev/null 2>&1
_scratch_mount
SUBVOL=$SCRATCH_MNT/subvol
_btrfs subvolume create $SUBVOL
_btrfs quota enable $SCRATCH_MNT
_qgroup_rescan $SCRATCH_MNT
_btrfs qgroup limit -e 1G $SUBVOL
# Write and delete files within 1G limits, multiple times
for i in $(seq 1 5); do
for j in $(seq 1 240); do
$XFS_IO_PROG -f -c "pwrite 0 4m" $SUBVOL/file_$j > /dev/null
done
rm -f $SUBVOL/file*
done
# Exceed the limits here
for j in $(seq 1 8); do
$XFS_IO_PROG -f -c "pwrite 0 128m" $SUBVOL/file_$j 2>&1 | _filter_xfs_io | _filter_xfs_io_error
done
# success, all done
status=0
exit
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