268 (1584B)
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 24owner=berto@igalia.com 25 26seq=`basename $0` 27echo "QA output created by $seq" 28 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41_supported_fmt qcow2 42_supported_proto file fuse 43 44echo 45echo "== Required alignment larger than cluster size ==" 46 47CLUSTER_SIZE=2k _make_test_img 1M 48# Since commit c8bb23cbdb writing to an unallocated cluster fills the 49# empty COW areas with bdrv_write_zeroes(flags=BDRV_REQ_NO_FALLBACK) 50$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 54echo "*** done" 55rm -f $seq.full 56status=0