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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2009 Christoph Hellwig.
#
# FS QA Test No. 201
#
# Test out the infamous xfs_btree_delrec corruption.
#
# Only happens on 32-bit kernels without CONFIG_LBD, but it should be harmless
# to run this everywhere.
#
. ./common/preamble
_begin_fstest metadata auto quick
# Override the default cleanup function.
_cleanup()
{
_scratch_unmount
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
file=$SCRATCH_MNT/f
min_align=`_min_dio_alignment $SCRATCH_DEV`
do_pwrite()
{
offset=`expr $1 \* $min_align`
end=`expr $2 \* $min_align`
length=`expr $end - $offset`
$XFS_IO_PROG -d -f $file -c "pwrite $offset $length" >/dev/null
}
_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_scratch_mount
# Create a fragmented file
do_pwrite 30792 31039
do_pwrite 30320 30791
do_pwrite 29688 30319
do_pwrite 29536 29687
do_pwrite 27216 29535
do_pwrite 24368 27215
do_pwrite 21616 24367
do_pwrite 20608 21615
do_pwrite 19680 20607
do_pwrite 19232 19679
do_pwrite 17840 19231
do_pwrite 16928 17839
do_pwrite 15168 16927
do_pwrite 14048 15167
do_pwrite 12152 14047
do_pwrite 11344 12151
do_pwrite 8792 11343
do_pwrite 6456 8791
do_pwrite 5000 6455
do_pwrite 1728 4999
do_pwrite 0 1727
sync
sync
# and truncate it again
> $SCRATCH_MNT/bigfile
# success, all done
echo "*** done"
status=0
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