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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 165
#
# Test out prealloc, direct writes and buffered read
# Some experimentation when looking at
# pv#962014 - DMF 3.7 reading incorrect data
# Doesn't actually reproduce the problem but it tried to :-)
#
. ./common/preamble
_begin_fstest rw pattern auto prealloc quick
_filter_io()
{
tee -a $seqres.full | _filter_xfs_io
}
#
# < 1: [8..79]: 6552..6623 0 (6552..6623) 72
# > 1: [8..79]: 202544..202615 0 (202544..202615) 72
#
_filter_bmap()
{
awk '$3 ~ /hole/ { print $1, $2, $3; next }
{print $1, $2}' >> $seqres.full
}
# Import common functions.
. ./common/filter
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_require_test
_require_xfs_io_command "falloc"
# io tests
testfile=$TEST_DIR/file.$seq
rm -f $testfile
len=4
end=`expr 10 \* $len`
# Other test...
#$XFS_IO_PROG -f -c "resvsp ${off}k ${end}k" $testfile
# write the initial file
$XFS_IO_PROG -f -c "pwrite 0 ${end}k" $testfile | _filter_io
off=0
while [ $off -le $end ]
do
offset=${off}k
length=${len}k
$XFS_IO_PROG -c "unresvsp $offset $length" -c "bmap -vp" $testfile | _filter_bmap
let off=$off+$len # skip over 1
let off=$off+$len
done
off=0
while [ $off -le $end ]
do
offset=${off}k
length=${len}k
bufsize=${len}k
echo ""
echo "*** offset = $offset ***"
echo ""
# prealloc and write
$XFS_IO_PROG -d -c "resvsp $offset $length" -c "pwrite -b $bufsize $offset $length" $testfile | _filter_io
# Other tests...
#$XFS_IO_PROG -c "resvsp $offset $length" $testfile
#xfs_bmap -v -p $testfile
#$XFS_IO_PROG -d -c "pwrite -b $bufsize $offset $length" $testfile
#xfs_bmap -v -p $testfile
$XFS_IO_PROG -r -c "pread -v -b $bufsize $offset $length" $testfile >$tmp.$off &
# Other tests...
#$XFS_IO_PROG -r -c "pread -v -b $bufsize $offset $length" $testfile
#sleep 5
let off=$off+$len # skip over 1
let off=$off+$len
done
wait
cat $tmp.* | _filter_io
# success, all done
status=0
exit
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