tests/qemu-iotests/268

   1 #!/usr/bin/env bash
   2 #
   3 # Test write request with required alignment larger than the cluster size
   4 #
   5 # Copyright (C) 2019 Igalia, S.L.
   6 # Author: Alberto Garcia <berto@igalia.com>
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=berto@igalia.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt qcow2
  41 _supported_proto file
  42
  43 echo
  44 echo "== Required alignment larger than cluster size =="
  45
  46 CLUSTER_SIZE=2k _make_test_img 1M
  47 # Since commit c8bb23cbdb writing to an unallocated cluster fills the
  48 # empty COW areas with bdrv_write_zeroes(flags=BDRV_REQ_NO_FALLBACK)
  49 $QEMU_IO -c "open -o driver=$IMGFMT,file.align=4k blkdebug::$TEST_IMG" \
  50          -c "write 0 512" | _filter_qemu_io
  51
  52 # success, all done
  53 echo "*** done"
  54 rm -f $seq.full
  55 status=0