Return to 019 CVS log

Up to [Qemu by Fabrice Bellard] / qemu / tests / qemu-iotests

Annotation of qemu/tests/qemu-iotests/019, revision 1.1.1.1

1.1       root        1: #!/bin/bash
                      2: #
                      3: # When using a backing file for the output image in qemu-img convert,
                      4: # the backing file clusters must not copied. The data must still be
                      5: # read correctly.
                      6: #
                      7: # Copyright (C) 2009 Red Hat, Inc.
                      8: #
                      9: # This program is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2 of the License, or
                     12: # (at your option) any later version.
                     13: #
                     14: # This program is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: #
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
                     21: #
                     22: 
                     23: # creator
                     24: [email protected]
                     25: 
                     26: seq=`basename $0`
                     27: echo "QA output created by $seq"
                     28: 
                     29: here=`pwd`
                     30: tmp=/tmp/$$
                     31: status=1       # failure is the default!
                     32: 
                     33: _cleanup()
                     34: {
                     35:        _cleanup_test_img
                     36:     rm -f $TEST_IMG.base
                     37:     rm -f $TEST_IMG.orig
                     38: }
                     39: trap "_cleanup; exit \$status" 0 1 2 3 15
                     40: 
                     41: # get standard environment, filters and checks
                     42: . ./common.rc
                     43: . ./common.filter
                     44: . ./common.pattern
                     45: 
                     46: # Any format supporting backing files
                     47: _supported_fmt qcow qcow2 vmdk qed
                     48: _supported_proto generic
                     49: _supported_os Linux
                     50: 
                     51: TEST_OFFSETS="0 4294967296"
                     52: CLUSTER_SIZE=65536
                     53: 
                     54: _make_test_img 6G
                     55: 
                     56: echo "Filling base image"
                     57: echo
                     58: 
                     59: for offset in $TEST_OFFSETS; do
                     60:     # Some clusters with alternating backing file/image file reads
                     61:     io_pattern writev $(( offset )) 512 1024 64 42
                     62: 
                     63:     # Complete backing clusters
                     64:     io_pattern writev $(( offset  + 1024 * 1024))  $CLUSTER_SIZE $CLUSTER_SIZE 1 42
                     65: done
                     66: _check_test_img
                     67: 
                     68: echo "Creating test image with backing file"
                     69: echo
                     70: 
                     71: mv $TEST_IMG $TEST_IMG.base
                     72: _make_test_img -b $TEST_IMG.base 6G
                     73: 
                     74: echo "Filling test image"
                     75: echo
                     76: 
                     77: for offset in $TEST_OFFSETS; do
                     78:     # Some clusters with alternating backing file/image file reads
                     79:     io_pattern writev $(( offset + 512 )) 512 1024 64 43
                     80: 
                     81:     # Complete test image clusters
                     82:     io_pattern writev $(( offset + 1024 * 1024 + $CLUSTER_SIZE))  $CLUSTER_SIZE $CLUSTER_SIZE 1 43
                     83: done
                     84: _check_test_img
                     85: 
                     86: mv $TEST_IMG $TEST_IMG.orig
                     87: 
                     88: 
                     89: 
                     90: # Test the conversion twice: One test with the old-style -B option and another
                     91: # one with -o backing_file
                     92: 
                     93: for backing_option in "-B $TEST_IMG.base" "-o backing_file=$TEST_IMG.base"; do
                     94: 
                     95:     echo
                     96:     echo Testing conversion with $backing_option | _filter_testdir | _filter_imgfmt
                     97:     echo
                     98:     $QEMU_IMG convert -O $IMGFMT $backing_option $TEST_IMG.orig $TEST_IMG
                     99: 
                    100:     echo "Checking if backing clusters are allocated when they shouldn't"
                    101:     echo
                    102:     for offset in $TEST_OFFSETS; do
                    103:         # Complete backing clusters
                    104:         is_allocated $(( offset  + 1024 * 1024))  $CLUSTER_SIZE $CLUSTER_SIZE 1
                    105:     done
                    106: 
                    107:     echo "Reading"
                    108:     echo
                    109: 
                    110:     for offset in $TEST_OFFSETS; do
                    111:         # Some clusters with alternating backing file/image file reads
                    112:         io_pattern readv $(( offset )) 512 1024 64 42
                    113:         io_pattern readv $(( offset + 512 )) 512 1024 64 43
                    114: 
                    115:         # Complete test image clusters
                    116:         io_pattern readv $(( offset  + 1024 * 1024))  $CLUSTER_SIZE $CLUSTER_SIZE 1 42
                    117:         io_pattern readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE))  $CLUSTER_SIZE $CLUSTER_SIZE 1 43
                    118: 
                    119:         # Empty sectors
                    120:         io_zero readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE * 4 )) $CLUSTER_SIZE $CLUSTER_SIZE 1
                    121:     done
                    122:     _check_test_img
                    123: 
                    124: done
                    125: 
                    126: # success, all done
                    127: echo "*** done"
                    128: rm -f $seq.full
                    129: status=0

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.