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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. 164
#
# To test for short dio reads on IRIX and Linux - pv#962005/962547
# http://bugworks.engr.sgi.com/query.cgi/962005
#
# In particular we are interested in dio_reads for the cases of:
# * eof on a hole
# * eof on an unwritten extent
# * eof on a sector boundary and not on a sector boundary
#
. ./common/preamble
_begin_fstest rw pattern auto prealloc quick
_filter_io()
{
tee -a $seqres.full | sed 's/ops;.*/ops/'
}
#
# 1: [128..199]: 212280..212351 0 (212280..212351) 72 10000
#
_filter_bmap()
{
awk '$3 ~ /hole/ { print $1, $2, $3; next }
$7 ~ /10000/ { print $1, $2, "unwritten"; next }
{print $1, $2}' >> $seqres.full
}
# Import common functions.
. ./common/filter
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_require_test
_require_xfs_io_command "falloc"
testfile=$TEST_DIR/file.$seq
_test_eof_hole()
{
# on a BB boundary
rm -f $testfile
$XFS_IO_PROG -f -d \
-c 'pwrite -b 52k 0 52k' \
-c 'truncate 100k' \
-c 'pread -b 200k 0 200k' \
$testfile | _filter_io
$XFS_IO_PROG -c 'bmap -vp' $testfile | _filter_bmap
echo ""
# on an odd byte boundary => 1 short of boundary
rm -f $testfile
boundary_minus1=`expr 100 \* 1024 - 1`
echo "boundary_minus1 = $boundary_minus1"
$XFS_IO_PROG -f -d \
-c 'pwrite -b 52k 0 52k' \
-c "truncate $boundary_minus1" \
-c 'pread -b 200k 0 200k' \
$testfile | _filter_io
$XFS_IO_PROG -c 'bmap -vp' $testfile | _filter_bmap
echo ""
# on an odd byte boundary => 1 over boundary
rm -f $testfile
boundary_plus1=`expr 100 \* 1024 + 1`
echo "boundary_plus1 = $boundary_plus1"
$XFS_IO_PROG -f -d \
-c 'pwrite -b 52k 0 52k' \
-c "truncate $boundary_plus1" \
-c 'pread -b 200k 0 200k' \
$testfile | _filter_io
$XFS_IO_PROG -c 'bmap -vp' $testfile | _filter_bmap
echo ""
}
_test_eof_unwritten_extent()
{
# on a BB boundary
rm -f $testfile
$XFS_IO_PROG -f -d \
-c 'resvsp 0 100k' \
-c 'truncate 100k' \
-c 'pwrite -b 52k 0 52k' \
-c 'pread -b 200k 0 200k' \
$testfile | _filter_io
$XFS_IO_PROG -c 'bmap -vp' $testfile | _filter_bmap
echo ""
# on an odd byte boundary => 1 short of boundary
rm -f $testfile
boundary_minus1=`expr 100 \* 1024 - 1`
echo "boundary_minus1 = $boundary_minus1"
$XFS_IO_PROG -f -d \
-c "resvsp 0 $boundary_minus1" \
-c "truncate $boundary_minus1" \
-c 'pwrite -b 52k 0 52k' \
-c 'pread -b 200k 0 200k' \
$testfile | _filter_io
$XFS_IO_PROG -c 'bmap -vp' $testfile | _filter_bmap
echo ""
# on an odd byte boundary => 1 over boundary
rm -f $testfile
boundary_plus1=`expr 100 \* 1024 + 1`
echo "boundary_plus1 = $boundary_plus1"
$XFS_IO_PROG -f -d \
-c "resvsp 0 $boundary_plus1" \
-c "truncate $boundary_plus1" \
-c 'pwrite -b 52k 0 52k' \
-c 'pread -b 200k 0 200k' \
$testfile | _filter_io
$XFS_IO_PROG -c 'bmap -vp' $testfile | _filter_bmap
echo ""
}
_test_eof_hole
_test_eof_unwritten_extent
# success, all done
status=0
exit
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