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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test No. 300
#
# Test xfs_fsr / swapext management of di_forkoff w/ selinux
#
. ./common/preamble
_begin_fstest auto fsr
# Import common functions.
. ./common/filter
_require_scratch
_require_xfs_nocrc
# real QA test starts here
_supported_fs xfs
getenforce | grep -q "Enforcing\|Permissive" || _notrun "SELinux not enabled"
[ "$XFS_FSR_PROG" = "" ] && _notrun "xfs_fsr not found"
_scratch_mkfs_xfs -m crc=0 -i size=256 >> $seqres.full 2>&1 \
|| _fail "mkfs failed"
# Manually mount to avoid fs-wide context set by default in xfstests
mount $SCRATCH_DEV $SCRATCH_MNT
touch $SCRATCH_MNT/$seq.test
# Create an extents-format attribute on a file
$XFS_IO_PROG -f -c "pwrite -S 0x63 0 4096" $SCRATCH_MNT/attrvals >> $seqres.full 2>&1
cat $SCRATCH_MNT/attrvals | attr -s name $SCRATCH_MNT/$seq.test >> $seqres.full 2>&1
# Fragment the file by writing backwards
bs=$(_get_file_block_size $SCRATCH_MNT)
for I in `seq 6 -1 0`; do
dd if=/dev/zero of=$SCRATCH_MNT/$seq.test seek=$I bs=${bs} \
oflag=direct count=1 conv=notrunc >> $seqres.full 2>&1
done
# See if xfs_fsr works.
# The target file now has a non-local attribute, but the
# fsr temp file gets assigned a local attribute on creation,
# due to selinux.
# In this case, the large-ish selinux attr will create a forkoff
# in the temp file smaller than the forkoff in the target file,
# because the FMT_EXTENTS attr takes up less space. If there is
# no mechanism to grow the temp forkoff to match, we can end up
# failing to swap these 2 inodes if the result is not enough
# data space in the temp inode as a result.
$XFS_FSR_PROG -v $SCRATCH_MNT/$seq.test | _filter_scratch
# success, all done
status=0
exit
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