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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2009 Eric Sandeen. All Rights Reserved.
#
# FS QA Test No. 226
#
# Test for prealloc space leaks by rewriting the same file in a loop
#
. ./common/preamble
_begin_fstest auto enospc
# Import common functions.
_supported_fs generic
_require_scratch
_require_odirect
# real QA test starts here
_scratch_unmount 2>/dev/null
echo "--> mkfs 256m filesystem"
_scratch_mkfs_sized `expr 256 \* 1024 \* 1024` >> $seqres.full 2>&1
_scratch_mount
loops=16
# Buffer size argument supplied to xfs_io "pwrite" command
buffer="-b $(expr 512 \* 1024)"
echo "--> $loops buffered 64m writes in a loop"
for I in `seq 1 $loops`; do
echo -n "$I "
$XFS_IO_PROG -f \
-c "pwrite ${buffer} 0 64m" $SCRATCH_MNT/test >> $seqres.full
rm -f $SCRATCH_MNT/test
done
echo
_scratch_cycle_mount
echo "--> $loops direct 64m writes in a loop"
for I in `seq 1 $loops`; do
echo -n "$I "
$XFS_IO_PROG -f -d \
-c "pwrite ${buffer} 0 64m" $SCRATCH_MNT/test >> $seqres.full
rm -f $SCRATCH_MNT/test
done
echo
_scratch_unmount
status=0
exit
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