tests/qemu-iotests/268

   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