2c43e43c8c
L1 table size is calculated from capacity, granularity and l2 table size. If capacity is too big or later two are too small, the L1 table will be too big to allocate in memory. Limit it to a reasonable range. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
73 lines
1.9 KiB
Bash
Executable file
73 lines
1.9 KiB
Bash
Executable file
#!/bin/bash
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#
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# Test case for vmdk
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#
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# Copyright (C) 2013 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=famz@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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# This tests vmdk-specific low-level functionality
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_supported_fmt vmdk
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_supported_proto generic
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_supported_os Linux
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capacity_offset=16
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granularity_offset=20
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grain_table_size_offset=44
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echo "=== Testing invalid granularity ==="
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echo
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_make_test_img 64M
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poke_file "$TEST_IMG" "$granularity_offset" "\xff\xff\xff\xff\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo "=== Testing too big L2 table size ==="
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echo
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_make_test_img 64M
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poke_file "$TEST_IMG" "$grain_table_size_offset" "\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo "=== Testing too big L1 table size ==="
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echo
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_make_test_img 64M
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poke_file "$TEST_IMG" "$capacity_offset" "\xff\xff\xff\xff"
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poke_file "$TEST_IMG" "$grain_table_size_offset" "\x01\x00\x00\x00"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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