| 1 | #!/usr/bin/env bash |
| 2 | # group: rw backing auto quick |
| 3 | # |
| 4 | # Simple backing file reads |
| 5 | # |
| 6 | # Copyright (C) 2009 Red Hat, Inc. |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | |
| 22 | # creator |
| 23 | owner=kwolf@redhat.com |
| 24 | |
| 25 | seq=`basename $0` |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | _cleanup() |
| 31 | { |
| 32 | _cleanup_test_img |
| 33 | } |
| 34 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 35 | |
| 36 | # get standard environment, filters and checks |
| 37 | . ./common.rc |
| 38 | . ./common.filter |
| 39 | . ./common.pattern |
| 40 | |
| 41 | # Any format supporting backing files |
| 42 | _supported_fmt qcow qcow2 vmdk qed |
| 43 | _supported_proto generic |
| 44 | _unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat" \ |
| 45 | "subformat=streamOptimized" |
| 46 | |
| 47 | TEST_OFFSETS="0 4294967296" |
| 48 | |
| 49 | TEST_IMG_SAVE=$TEST_IMG |
| 50 | TEST_IMG=$TEST_IMG.base |
| 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 $(( offset + 64 * 1024)) 65536 65536 1 |
| 62 | done |
| 63 | _check_test_img |
| 64 | |
| 65 | echo "Creating test image with backing file" |
| 66 | echo |
| 67 | |
| 68 | TEST_IMG=$TEST_IMG_SAVE |
| 69 | _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 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 | echo "Reading" |
| 84 | echo |
| 85 | |
| 86 | for offset in $TEST_OFFSETS; do |
| 87 | # Some clusters with alternating backing file/image file reads |
| 88 | io readv $(( offset )) 512 1024 64 |
| 89 | io readv $(( offset + 512 )) 512 1024 64 |
| 90 | |
| 91 | # Complete test image clusters |
| 92 | io readv $(( offset + 64 * 1024)) 65536 65536 1 |
| 93 | io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1 |
| 94 | |
| 95 | # Empty sectors |
| 96 | io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1 |
| 97 | done |
| 98 | _check_test_img |
| 99 | |
| 100 | # success, all done |
| 101 | echo "*** done" |
| 102 | rm -f $seq.full |
| 103 | status=0 |