| #!/usr/bin/env bash | 
 | # group: rw auto quick | 
 | # | 
 | # Test write request with required alignment larger than the cluster size | 
 | # | 
 | # Copyright (C) 2019 Igalia, S.L. | 
 | # Author: Alberto Garcia <berto@igalia.com> | 
 | # | 
 | # This program is free software; you can redistribute it and/or modify | 
 | # it under the terms of the GNU General Public License as published by | 
 | # the Free Software Foundation; either version 2 of the License, or | 
 | # (at your option) any later version. | 
 | # | 
 | # This program is distributed in the hope that it will be useful, | 
 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 | # GNU General Public License for more details. | 
 | # | 
 | # You should have received a copy of the GNU General Public License | 
 | # along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
 | # | 
 |  | 
 | # creator | 
 | owner=berto@igalia.com | 
 |  | 
 | seq=`basename $0` | 
 | echo "QA output created by $seq" | 
 |  | 
 | status=1	# failure is the default! | 
 |  | 
 | _cleanup() | 
 | { | 
 |     _cleanup_test_img | 
 | } | 
 | trap "_cleanup; exit \$status" 0 1 2 3 15 | 
 |  | 
 | # get standard environment, filters and checks | 
 | . ./common.rc | 
 | . ./common.filter | 
 |  | 
 | _supported_fmt qcow2 | 
 | _supported_proto file fuse | 
 |  | 
 | echo | 
 | echo "== Required alignment larger than cluster size ==" | 
 |  | 
 | CLUSTER_SIZE=2k _make_test_img 1M | 
 | # Since commit c8bb23cbdb writing to an unallocated cluster fills the | 
 | # empty COW areas with bdrv_write_zeroes(flags=BDRV_REQ_NO_FALLBACK) | 
 | $QEMU_IO -c "open -o driver=$IMGFMT,file.align=4k blkdebug::$TEST_IMG" \ | 
 |          -c "write 0 512" | _filter_qemu_io | 
 |  | 
 | # success, all done | 
 | echo "*** done" | 
 | rm -f $seq.full | 
 | status=0 |