Return to 027 CVS log

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

Annotation of qemu/tests/qemu-iotests/027, revision 1.1.1.1

1.1       root        1: #!/bin/bash
                      2: #
                      3: # Test that sub-cluster allocating writes zero the rest of the cluster
                      4: #
                      5: # Copyright (C) 2010 IBM, Corp.
                      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 vmdk qcow qcow2 qed
                     42: _supported_proto generic
                     43: _supported_os Linux
                     44: 
                     45: 
                     46: size=128M
                     47: cluster_size=65536
                     48: subcluster_offset=1024
                     49: subcluster_size=2048
                     50: _make_test_img $size
                     51: 
                     52: # This first write causes an L2 table to be allocated so that the next write
                     53: # doesn't need to allocate one and is therefore at the end of the image file.
                     54: # Otherwise an L2 table could get in the way after the data cluster.
                     55: echo
                     56: echo "== writing first cluster to populate metadata =="
                     57: $QEMU_IO -c "write -pP 0xde $cluster_size $cluster_size" $TEST_IMG | _filter_qemu_io
                     58: 
                     59: echo
                     60: echo "== writing at sub-cluster granularity =="
                     61: $QEMU_IO -c "write -pP 0xa $subcluster_offset $subcluster_size" $TEST_IMG | _filter_qemu_io
                     62: 
                     63: echo
                     64: echo "== verify pattern =="
                     65: $QEMU_IO -c "read -pP 0xa $subcluster_offset $subcluster_size" $TEST_IMG | _filter_qemu_io
                     66: 
                     67: echo
                     68: echo "== verify zeroes before sub-cluster pattern =="
                     69: $QEMU_IO -c "read -pP 0 -l $subcluster_offset 0 $subcluster_size" $TEST_IMG | _filter_qemu_io
                     70: 
                     71: echo
                     72: echo "== verify zeroes after sub-cluster pattern =="
                     73: $QEMU_IO -c "read -pP 0 -l 512 -s $subcluster_size $subcluster_offset $(( subcluster_size + 512 ))" $TEST_IMG | _filter_qemu_io
                     74: 
                     75: # success, all done
                     76: echo "*** done"
                     77: rm -f $seq.full
                     78: status=0

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