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Test for detecting unwritten extent related corruption reading+writing under swap.

#! /bin/sh
# XFS QA Test No. 084
#
# Exercises unwritten extent reads and writes, looking
# for data corruption (zeroes read) near the end of file.
#
#-----------------------------------------------------------------------
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# published by the Free Software Foundation.
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
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# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
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#-----------------------------------------------------------------------
#
# creator
owner=nathans@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_filter_resv()
{
	sed -e "s,$TEST_DIR/resv,[TESTFILE],g"
}

pgsize=`$here/src/feature -p`

# -i == number of iterations
# -l == bytes to leak on each iteration
# -b == read/write block size
# -s == preallocation size

# real QA test starts here
echo
echo "*** First case - I/O blocksize same as pagesize"
$here/src/resvtest -i 20 -b $pgsize "$TEST_DIR/resv" | _filter_resv
[ $? -eq 0 ] && echo done
rm -f "$TEST_DIR/mumble"

echo
echo "*** Second case - 512 byte I/O blocksize"
$here/src/resvtest -i 40 -b 512 "$TEST_DIR/resv" | _filter_resv
[ $? -eq 0 ] && echo done
rm -f "$TEST_DIR/grumble"

# success, all done
status=0
exit