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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2017 CTERA Networks. All Rights Reserved.
#
# FS QA Test No. 458
#
# Regression test for xfs leftover CoW extents after truncate
# and umount
#
# Fixed by commit 3af423b03435 ("xfs: evict CoW fork extents when performing
# finsert/fcollapse")
#
. ./common/preamble
_begin_fstest auto quick clone collapse insert zero
# Import common functions.
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_fs generic
_require_scratch_reflink
_require_cp_reflink
_require_xfs_io_command "fzero"
_require_xfs_io_command "fcollapse"
_require_xfs_io_command "finsert"
_require_xfs_io_command "truncate"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
$XFS_IO_PROG -f -c "pwrite 0 0x40000" \
$SCRATCH_MNT/foo > /dev/null 2>&1
_cp_reflink $SCRATCH_MNT/foo $SCRATCH_MNT/bar
$XFS_IO_PROG -f -c "fzero -k 0x169f 0x387c" \
-c "fcollapse 0x29000 0xd000" \
-c "finsert 0 0x8000" \
-c "truncate 0x8000" \
$SCRATCH_MNT/foo > /dev/null 2>&1
echo "Silence is golden"
status=0
exit
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