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