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1 #!/usr/bin/env bash 2 # group: rw auto quick 3 # 4 # Test write request with required alignment larger than the cluster size 5 # 6 # Copyright (C) 2019 Igalia, S.L. 7 # Author: Alberto Garcia <berto@igalia.com> 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 owner=berto@igalia.com 25 26 seq=`basename $0` 27 echo "QA output created by $seq" 28 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 qcow2 42 _supported_proto file fuse 43 44 echo 45 echo "== Required alignment larger than cluster size ==" 46 47 CLUSTER_SIZE=2k _make_test_img 1M 48 # Since commit c8bb23cbdb writing to an unallocated cluster fills the 49 # empty COW areas with bdrv_write_zeroes(flags=BDRV_REQ_NO_FALLBACK) 50 $QEMU_IO -c "open -o driver=$IMGFMT,file.align=4k blkdebug::$TEST_IMG" \ 51 -c "write 0 512" | _filter_qemu_io 52 53 # success, all done 54 echo "*** done" 55 rm -f $seq.full 56 status=0