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Annotation of qemu/tests/qemu-iotests/018, revision 1.1.1.1

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

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