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1 #!/usr/bin/env bash 2 # group: rw auto quick 3 # 4 # Test that AIO requests are drained before an image is closed. This used 5 # to segfault because the request coroutine kept running even after the 6 # BlockDriverState was freed. 7 # 8 # Copyright (C) 2011 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 # This works for any image format (though unlikely to segfault for raw) 44 _supported_fmt generic 45 _supported_proto generic 46 _unsupported_imgopts "subformat=streamOptimized" 47 48 echo 49 echo === Prepare image === 50 echo 51 52 CLUSTER_SIZE=65536 53 _make_test_img 64M 54 55 # Allocate every other cluster so that afterwards a big write request will 56 # actually loop a while and issue many I/O requests for the lower layer 57 for ((i=0;i<=4096;i+=128)); do echo "write ${i}k 64k"; done | $QEMU_IO "$TEST_IMG" | _filter_qemu_io 58 59 echo 60 echo === AIO request during close === 61 echo 62 $QEMU_IO -c "aio_write 0 4M" -c "close" "$TEST_IMG" | _filter_qemu_io 63 _check_test_img 64 65 # success, all done 66 echo "*** done" 67 rm -f $seq.full 68 status=0