qemu-iotests: Add test case 153 for image locking

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2017-05-03 00:35:57 +08:00 committed by Kevin Wolf
parent 244a566810
commit ba8980784d
3 changed files with 624 additions and 0 deletions

233
tests/qemu-iotests/153 Executable file
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#!/bin/bash
#
# Test image locking
#
# Copyright 2016, 2017 Red Hat, Inc.
#
# 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=famz@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
here="$PWD"
tmp=/tmp/$$
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
rm -f "${TEST_IMG}.base"
rm -f "${TEST_IMG}.convert"
rm -f "${TEST_IMG}.a"
rm -f "${TEST_IMG}.b"
rm -f "${TEST_IMG}.lnk"
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
size=32M
_check_ofd()
{
_make_test_img $size >/dev/null
if $QEMU_IMG_PROG info --image-opts "driver=file,locking=on,filename=$TEST_IMG" 2>&1 |
grep -q 'falling back to POSIX file'; then
return 1
else
return 0
fi
}
_check_ofd || _notrun "OFD lock not available"
_supported_fmt qcow2
_supported_proto file
_supported_os Linux
_run_cmd()
{
echo
(echo "$@"; "$@" 2>&1 1>/dev/null) | _filter_testdir
}
function _do_run_qemu()
{
(
if ! test -t 0; then
while read cmd; do
echo $cmd
done
fi
echo quit
) | $QEMU -nographic -monitor stdio -serial none "$@" 1>/dev/null
}
function _run_qemu_with_images()
{
_do_run_qemu \
$(for i in $@; do echo "-drive if=none,file=$i"; done) 2>&1 \
| _filter_testdir | _filter_qemu
}
echo "== readonly=off,force-share=on should be rejected =="
_run_qemu_with_images null-co://,readonly=off,force-share=on
for opts1 in "" "read-only=on" "read-only=on,force-share=on"; do
echo
echo "== Creating base image =="
TEST_IMG="${TEST_IMG}.base" _make_test_img $size
echo
echo "== Creating test image =="
$QEMU_IMG create -f $IMGFMT "${TEST_IMG}" -b ${TEST_IMG}.base | _filter_img_create
echo
echo "== Launching QEMU, opts: '$opts1' =="
_launch_qemu -drive file="${TEST_IMG}",if=none,$opts1
h=$QEMU_HANDLE
for opts2 in "" "read-only=on" "read-only=on,force-share=on"; do
echo
echo "== Launching another QEMU, opts: '$opts2' =="
echo "quit" | \
$QEMU -nographic -monitor stdio \
-drive file="${TEST_IMG}",if=none,$opts2 2>&1 1>/dev/null | \
_filter_testdir | _filter_qemu
done
for L in "" "-U"; do
echo
echo "== Running utility commands $L =="
_run_cmd $QEMU_IO $L -c "read 0 512" "${TEST_IMG}"
_run_cmd $QEMU_IO $L -r -c "read 0 512" "${TEST_IMG}"
_run_cmd $QEMU_IO -c "open $L ${TEST_IMG}" -c "read 0 512"
_run_cmd $QEMU_IO -c "open -r $L ${TEST_IMG}" -c "read 0 512"
_run_cmd $QEMU_IMG info $L "${TEST_IMG}"
_run_cmd $QEMU_IMG check $L "${TEST_IMG}"
_run_cmd $QEMU_IMG compare $L "${TEST_IMG}" "${TEST_IMG}"
_run_cmd $QEMU_IMG map $L "${TEST_IMG}"
_run_cmd $QEMU_IMG amend -o "" $L "${TEST_IMG}"
_run_cmd $QEMU_IMG commit $L "${TEST_IMG}"
_run_cmd $QEMU_IMG resize $L "${TEST_IMG}" $size
_run_cmd $QEMU_IMG rebase $L "${TEST_IMG}" -b "${TEST_IMG}.base"
_run_cmd $QEMU_IMG snapshot -l $L "${TEST_IMG}"
_run_cmd $QEMU_IMG convert $L "${TEST_IMG}" "${TEST_IMG}.convert"
_run_cmd $QEMU_IMG dd $L if="${TEST_IMG}" of="${TEST_IMG}.convert" bs=512 count=1
_run_cmd $QEMU_IMG bench $L -c 1 "${TEST_IMG}"
_run_cmd $QEMU_IMG bench $L -w -c 1 "${TEST_IMG}"
done
_send_qemu_cmd $h "{ 'execute': 'quit', }" ""
echo
echo "Round done"
_cleanup_qemu
done
for opt1 in $test_opts; do
for opt2 in $test_opts; do
echo
echo "== Two devices with the same image ($opt1 - $opt2) =="
_run_qemu_with_images "${TEST_IMG},$opt1" "${TEST_IMG},$opt2"
done
done
echo "== Creating ${TEST_IMG}.[abc] ==" | _filter_testdir
(
$QEMU_IMG create -f qcow2 "${TEST_IMG}.a" -b "${TEST_IMG}"
$QEMU_IMG create -f qcow2 "${TEST_IMG}.b" -b "${TEST_IMG}"
$QEMU_IMG create -f qcow2 "${TEST_IMG}.c" -b "${TEST_IMG}.b"
) | _filter_img_create
echo
echo "== Two devices sharing the same file in backing chain =="
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.b"
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.c"
echo
echo "== Backing image also as an active device =="
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}"
echo
echo "== Backing image also as an active device (ro) =="
_run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG},readonly=on"
echo
echo "== Symbolic link =="
rm -f "${TEST_IMG}.lnk" &>/dev/null
ln -s ${TEST_IMG} "${TEST_IMG}.lnk" || echo "Failed to create link"
_run_qemu_with_images "${TEST_IMG}.lnk" "${TEST_IMG}"
echo
echo "== Closing an image should unlock it =="
_launch_qemu
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'qmp_capabilities' }" \
'return'
echo "Adding drive"
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line': 'drive_add 0 if=none,id=d0,file=${TEST_IMG}' } }" \
""
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
echo "Closing drive"
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line': 'drive_del d0' } }" \
""
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
echo "Adding two and closing one"
for d in d0 d1; do
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line': 'drive_add 0 if=none,id=$d,file=${TEST_IMG},readonly=on' } }" \
""
done
_run_cmd $QEMU_IMG info "${TEST_IMG}"
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line': 'drive_del d0' } }" \
""
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
echo "Closing the other"
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line': 'drive_del d1' } }" \
""
_run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
_cleanup_qemu
# success, all done
echo "*** done"
rm -f $seq.full
status=0

390
tests/qemu-iotests/153.out Normal file
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QA output created by 153
== readonly=off,force-share=on should be rejected ==
QEMU_PROG: -drive if=none,file=null-co://,readonly=off,force-share=on: force-share=on can only be used with read-only images
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: '' ==
== Launching another QEMU, opts: '' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock
Is another process using the image?
== Launching another QEMU, opts: 'read-only=on' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,read-only=on: Failed to get shared "write" lock
Is another process using the image?
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock
Is another process using the image?
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper info TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper check TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper map TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper commit TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image?
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: '' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock
Is another process using the image?
== Launching another QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_img_wrapper check TEST_DIR/t.qcow2
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper commit TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image?
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: 'read-only=on,force-share=on' ==
== Launching another QEMU, opts: '' ==
== Launching another QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_img_wrapper check TEST_DIR/t.qcow2
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
_qemu_img_wrapper commit TEST_DIR/t.qcow2
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating TEST_DIR/t.qcow2.[abc] ==
Formatting 'TEST_DIR/t.IMGFMT.a', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
Formatting 'TEST_DIR/t.IMGFMT.b', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
Formatting 'TEST_DIR/t.IMGFMT.c', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.b
== Two devices sharing the same file in backing chain ==
== Backing image also as an active device ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
== Backing image also as an active device (ro) ==
== Symbolic link ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
== Closing an image should unlock it ==
{"return": {}}
Adding drive
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
Closing drive
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
Adding two and closing one
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image?
Closing the other
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
*** done

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@ -154,6 +154,7 @@
149 rw auto sudo
150 rw auto quick
152 rw auto quick
153 rw auto quick
154 rw auto backing quick
155 rw auto
156 rw auto quick