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Annotation of qemu/tests/qemu-iotests/034, revision 1.1

1.1     ! root        1: #!/bin/bash
        !             2: #
        !             3: # Test bdrv_write_zeroes with backing files
        !             4: #
        !             5: # Copyright (C) 2012 Red Hat, Inc.
        !             6: #
        !             7: # This program is free software; you can redistribute it and/or modify
        !             8: # it under the terms of the GNU General Public License as published by
        !             9: # the Free Software Foundation; either version 2 of the License, or
        !            10: # (at your option) any later version.
        !            11: #
        !            12: # This program is distributed in the hope that it will be useful,
        !            13: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15: # GNU General Public License for more details.
        !            16: #
        !            17: # You should have received a copy of the GNU General Public License
        !            18: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
        !            19: #
        !            20: 
        !            21: # creator
        !            22: [email protected]
        !            23: 
        !            24: seq=`basename $0`
        !            25: echo "QA output created by $seq"
        !            26: 
        !            27: here=`pwd`
        !            28: tmp=/tmp/$$
        !            29: status=1       # failure is the default!
        !            30: 
        !            31: _cleanup()
        !            32: {
        !            33:        _cleanup_test_img
        !            34: }
        !            35: trap "_cleanup; exit \$status" 0 1 2 3 15
        !            36: 
        !            37: # get standard environment, filters and checks
        !            38: . ./common.rc
        !            39: . ./common.filter
        !            40: 
        !            41: _supported_fmt qcow qcow2 vmdk qed
        !            42: _supported_proto generic
        !            43: _supported_os Linux
        !            44: 
        !            45: CLUSTER_SIZE=4k
        !            46: size=128M
        !            47: 
        !            48: echo
        !            49: echo "== creating backing file for COW tests =="
        !            50: 
        !            51: _make_test_img $size
        !            52: $QEMU_IO -c "write -P 0x55 0 1M" $TEST_IMG | _filter_qemu_io
        !            53: mv $TEST_IMG $TEST_IMG.base
        !            54: 
        !            55: _make_test_img -b $TEST_IMG.base 6G
        !            56: 
        !            57: echo
        !            58: echo "== zero write with backing file =="
        !            59: $QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
        !            60: $QEMU_IO -c "write -z 513k 13k" $TEST_IMG | _filter_qemu_io
        !            61: 
        !            62: _check_test_img
        !            63: 
        !            64: echo
        !            65: echo "== verifying patterns (3) =="
        !            66: $QEMU_IO -c "read -P 0x55 0 64k" $TEST_IMG | _filter_qemu_io
        !            67: $QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
        !            68: $QEMU_IO -c "read -P 0x55 256k 257k" $TEST_IMG | _filter_qemu_io
        !            69: $QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
        !            70: $QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
        !            71: 
        !            72: echo
        !            73: echo "== overwriting zero cluster =="
        !            74: $QEMU_IO -c "write -P 0xa 60k 8k" $TEST_IMG | _filter_qemu_io
        !            75: $QEMU_IO -c "write -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
        !            76: $QEMU_IO -c "write -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
        !            77: $QEMU_IO -c "write -P 0xd 252k 8k" $TEST_IMG | _filter_qemu_io
        !            78: $QEMU_IO -c "write -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
        !            79: 
        !            80: _check_test_img
        !            81: 
        !            82: echo
        !            83: echo "== verifying patterns (4) =="
        !            84: $QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
        !            85: $QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
        !            86: $QEMU_IO -c "read -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
        !            87: $QEMU_IO -c "read -P 0x0 72k 4k" $TEST_IMG | _filter_qemu_io
        !            88: $QEMU_IO -c "read -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
        !            89: $QEMU_IO -c "read -P 0x0 80k 168k" $TEST_IMG | _filter_qemu_io
        !            90: $QEMU_IO -c "read -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
        !            91: $QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
        !            92: $QEMU_IO -c "read -P 0x55 260k 64k" $TEST_IMG | _filter_qemu_io
        !            93: 
        !            94: echo
        !            95: echo "== re-zeroing overwritten area =="
        !            96: $QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
        !            97: 
        !            98: _check_test_img
        !            99: 
        !           100: echo
        !           101: echo "== verifying patterns (5) =="
        !           102: $QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
        !           103: $QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
        !           104: $QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
        !           105: $QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
        !           106: $QEMU_IO -c "read -P 0x55 260k 253k" $TEST_IMG | _filter_qemu_io
        !           107: $QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
        !           108: $QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
        !           109: 
        !           110: # success, all done
        !           111: echo "*** done"
        !           112: rm -f $seq.full
        !           113: status=0

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