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1 #!/usr/bin/env bash 2 # group: rw 3 # 4 # qcow2 pattern test, complex patterns including compression and snapshots 5 # Using patterns for 4k cluster size. 6 # 7 # 8 # Copyright (C) 2009 Red Hat, Inc. 9 # 10 # This program is free software; you can redistribute it and/or modify 11 # it under the terms of the GNU General Public License as published by 12 # the Free Software Foundation; either version 2 of the License, or 13 # (at your option) any later version. 14 # 15 # This program is distributed in the hope that it will be useful, 16 # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 # GNU General Public License for more details. 19 # 20 # You should have received a copy of the GNU General Public License 21 # along with this program. If not, see <http://www.gnu.org/licenses/>. 22 # 23 24 # creator 25 owner=kwolf@redhat.com 26 27 seq=`basename $0` 28 echo "QA output created by $seq" 29 30 status=1 # failure is the default! 31 32 _cleanup() 33 { 34 _cleanup_test_img 35 } 36 trap "_cleanup; exit \$status" 0 1 2 3 15 37 38 # get standard environment, filters and checks 39 . ./common.rc 40 . ./common.filter 41 . ./common.pattern 42 43 # much of this could be generic for any format supporting snapshots 44 _supported_fmt qcow2 45 _supported_proto file 46 _supported_os Linux 47 # Compression and snapshots do not work with external data files 48 _unsupported_imgopts data_file 49 50 TEST_OFFSETS="0 4294967296" 51 TEST_OPS="writev read write readv" 52 CLUSTER_SIZE=4096 53 54 _make_test_img 6G 55 56 echo "Testing empty image:" 57 for offset in $TEST_OFFSETS; do 58 echo test2: With offset $offset 59 io_test2 $offset $CLUSTER_SIZE 256 60 _check_test_img 61 done 62 63 # With snapshots 64 for i in `seq 1 3`; do 65 $QEMU_IMG snapshot -c test$i "$TEST_IMG" 66 for offset in $TEST_OFFSETS; do 67 echo With snapshot test$i, offset $offset 68 for op in $TEST_OPS; do 69 io_test $op $offset $CLUSTER_SIZE 8 70 done 71 _check_test_img 72 done 73 done 74 75 # success, all done 76 echo "*** done" 77 rm -f $seq.full 78 status=0