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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Oracle, Inc. All Rights Reserved.
#
# FS QA Test No. 349
#
# Test fallocate(ZERO_RANGE) on a block device, which should be able to
# WRITE SAME (or equivalent) the range.
#
. ./common/preamble
_begin_fstest blockdev rw zero
_register_cleanup "_cleanup" BUS
# Import common functions.
. ./common/filter
. ./common/scsi_debug
# real QA test starts here
_require_scsi_debug
_require_xfs_io_command "fzero"
echo "Create and format"
dev=$(_get_scsi_debug_dev 512 512 0 4 "lbpws=1 lbpws10=1")
_pwrite_byte 0x62 0 4m $dev >> $seqres.full
echo "Zero range"
$XFS_IO_PROG -c "fzero -k 512k 1m" $dev
echo "Zero range without keep_size"
$XFS_IO_PROG -c "fzero 384k 64k" $dev
echo "Zero range past EOD"
$XFS_IO_PROG -c "fzero -k 3m 4m" $dev
echo "Check contents"
md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g"
echo "Zero range to MAX_LFS_FILESIZE"
# zod = MAX_LFS_FILESIZE
zod=$(_get_max_lfs_filesize)
$XFS_IO_PROG -c "fzero -k 0 $zod" $dev
echo "Check contents"
md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g"
echo "Destroy device"
_put_scsi_debug_dev
# success, all done
status=0
exit
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