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Annotation of qemu/tests/qemu-iotests/020, revision 1.1

1.1     ! root        1: #!/bin/bash
        !             2: #
        !             3: # Commit changes to backing file
        !             4: #
        !             5: # Copyright (C) 2009 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:     rm -f $TEST_IMG.base
        !            35:     rm -f $TEST_IMG.orig
        !            36: }
        !            37: trap "_cleanup; exit \$status" 0 1 2 3 15
        !            38: 
        !            39: # get standard environment, filters and checks
        !            40: . ./common.rc
        !            41: . ./common.filter
        !            42: . ./common.pattern
        !            43: 
        !            44: # Any format supporting backing files
        !            45: _supported_fmt qcow qcow2 vmdk qed
        !            46: _supported_proto generic
        !            47: _supported_os Linux
        !            48: 
        !            49: TEST_OFFSETS="0 4294967296"
        !            50: 
        !            51: _make_test_img 6G
        !            52: 
        !            53: echo "Filling base image"
        !            54: echo
        !            55: 
        !            56: for offset in $TEST_OFFSETS; do
        !            57:     # Some clusters with alternating backing file/image file reads
        !            58:     io writev $(( offset )) 512 1024 64
        !            59: 
        !            60:     # Complete backing clusters
        !            61:     io writev $(( offset  + 64 * 1024))  65536 65536 1
        !            62: done
        !            63: _check_test_img
        !            64: 
        !            65: echo "Creating test image with backing file"
        !            66: echo
        !            67: 
        !            68: mv $TEST_IMG $TEST_IMG.base
        !            69: _make_test_img -b $TEST_IMG.base 6G
        !            70: 
        !            71: echo "Filling test image"
        !            72: echo
        !            73: 
        !            74: for offset in $TEST_OFFSETS; do
        !            75:     # Some clusters with alternating backing file/image file reads
        !            76:     io writev $(( offset + 512 )) 512 1024 64
        !            77: 
        !            78:     # Complete test image clusters
        !            79:     io writev $(( offset + 64 * 1024 + 65536))  65536 65536 1
        !            80: done
        !            81: _check_test_img
        !            82: 
        !            83: $QEMU_IMG commit $TEST_IMG
        !            84: mv $TEST_IMG.base $TEST_IMG
        !            85: 
        !            86: echo "Reading from the backing file"
        !            87: echo
        !            88: 
        !            89: for offset in $TEST_OFFSETS; do
        !            90:     # Some clusters with alternating backing file/image file reads
        !            91:     io readv $(( offset )) 512 1024 64
        !            92:     io readv $(( offset + 512 )) 512 1024 64
        !            93: 
        !            94:     # Complete test image clusters
        !            95:     io readv $(( offset  + 64 * 1024))  65536 65536 1
        !            96:     io readv $(( offset + 64 * 1024 + 65536))  65536 65536 1
        !            97: 
        !            98:     # Empty sectors
        !            99:     io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1
        !           100: done
        !           101: _check_test_img
        !           102: 
        !           103: # success, all done
        !           104: echo "*** done"
        !           105: rm -f $seq.full
        !           106: status=0

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