2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2016 Oracle, Inc. All Rights Reserved.
7 # Test fallocate(ZERO_RANGE) on a block device, which should be able to
8 # WRITE SAME (or equivalent) the range.
11 _begin_fstest blockdev rw zero
13 _register_cleanup "_cleanup" BUS
15 # Import common functions.
19 # real QA test starts here
21 _require_xfs_io_command "fzero"
23 echo "Create and format"
24 dev=$(_get_scsi_debug_dev 512 512 0 4 "lbpws=1 lbpws10=1")
25 _pwrite_byte 0x62 0 4m $dev >> $seqres.full
28 $XFS_IO_PROG -c "fzero -k 512k 1m" $dev
30 echo "Zero range without keep_size"
31 $XFS_IO_PROG -c "fzero 384k 64k" $dev
33 echo "Zero range past EOD"
34 $XFS_IO_PROG -c "fzero -k 3m 4m" $dev
37 md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g"
39 echo "Zero range to MAX_LFS_FILESIZE"
40 # zod = MAX_LFS_FILESIZE
41 zod=$(_get_max_lfs_filesize)
42 $XFS_IO_PROG -c "fzero -k 0 $zod" $dev
45 md5sum $dev | sed -e "s|$dev|SCSI_DEBUG_DEV|g"