* [PULL 0/4] Block layer patches for 4.2.0-rc2
@ 2019-11-18 17:02 Kevin Wolf
2019-11-18 17:02 ` [PULL 1/4] qemu-iotests/iotests.py: improve assert_qmp message Kevin Wolf
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: Kevin Wolf @ 2019-11-18 17:02 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, peter.maydell, qemu-devel
The following changes since commit bbe165740a96f67f48ecd3029dc26bdd7fd5192c:
Merge remote-tracking branch 'remotes/vivier2/tags/ppc-for-4.2-pull-request' into staging (2019-11-18 11:09:06 +0000)
are available in the Git repository at:
git://repo.or.cz/qemu/kevin.git tags/for-upstream
for you to fetch changes up to b1f6a8e180367c945b67c6c9bbcec5c856be3779:
iotests: Test multiple blockdev-snapshot calls (2019-11-18 17:50:08 +0100)
----------------------------------------------------------------
Block layer patches:
- Fix HMP savevm with -blockdev
- Minor iotests improvements
----------------------------------------------------------------
Kevin Wolf (3):
iotests: Fix "no qualified output" error path
block: Remove 'backing': null from bs->{explicit_,}options
iotests: Test multiple blockdev-snapshot calls
Vladimir Sementsov-Ogievskiy (1):
qemu-iotests/iotests.py: improve assert_qmp message
block.c | 2 +
tests/qemu-iotests/273 | 76 ++++++++++
tests/qemu-iotests/273.out | 337 ++++++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/check | 2 +-
tests/qemu-iotests/group | 1 +
tests/qemu-iotests/iotests.py | 4 +-
6 files changed, 419 insertions(+), 3 deletions(-)
create mode 100755 tests/qemu-iotests/273
create mode 100644 tests/qemu-iotests/273.out
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PULL 1/4] qemu-iotests/iotests.py: improve assert_qmp message
2019-11-18 17:02 [PULL 0/4] Block layer patches for 4.2.0-rc2 Kevin Wolf
@ 2019-11-18 17:02 ` Kevin Wolf
2019-11-18 17:02 ` [PULL 2/4] iotests: Fix "no qualified output" error path Kevin Wolf
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Kevin Wolf @ 2019-11-18 17:02 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, peter.maydell, qemu-devel
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
From the two values compared, make it obvious which is found at path, and
which is expected.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
tests/qemu-iotests/iotests.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 075f4739da..6a248472b9 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -731,8 +731,8 @@ class QMPTestCase(unittest.TestCase):
self.fail('no match for "%s" in %s' % (str(result), str(value)))
else:
self.assertEqual(result, value,
- 'values not equal "%s" and "%s"'
- % (str(result), str(value)))
+ '"%s" is "%s", expected "%s"'
+ % (path, str(result), str(value)))
def assert_no_active_block_jobs(self):
result = self.vm.qmp('query-block-jobs')
--
2.20.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PULL 2/4] iotests: Fix "no qualified output" error path
2019-11-18 17:02 [PULL 0/4] Block layer patches for 4.2.0-rc2 Kevin Wolf
2019-11-18 17:02 ` [PULL 1/4] qemu-iotests/iotests.py: improve assert_qmp message Kevin Wolf
@ 2019-11-18 17:02 ` Kevin Wolf
2019-11-18 17:02 ` [PULL 3/4] block: Remove 'backing': null from bs->{explicit_, }options Kevin Wolf
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Kevin Wolf @ 2019-11-18 17:02 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, peter.maydell, qemu-devel
The variable for error messages to be displayed is $results, not
$reason. Fix 'check' to print the "no qualified output" error message
again instead of having a failure without any message telling the user
why it failed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
---
tests/qemu-iotests/check | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check
index 71fe38834e..90970b0549 100755
--- a/tests/qemu-iotests/check
+++ b/tests/qemu-iotests/check
@@ -887,7 +887,7 @@ do
if [ ! -f "$reference" ]
then
status="fail"
- reason="no qualified output"
+ results="no qualified output"
err=true
else
if diff -w "$reference" $tmp.out >/dev/null 2>&1
--
2.20.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PULL 3/4] block: Remove 'backing': null from bs->{explicit_, }options
2019-11-18 17:02 [PULL 0/4] Block layer patches for 4.2.0-rc2 Kevin Wolf
2019-11-18 17:02 ` [PULL 1/4] qemu-iotests/iotests.py: improve assert_qmp message Kevin Wolf
2019-11-18 17:02 ` [PULL 2/4] iotests: Fix "no qualified output" error path Kevin Wolf
@ 2019-11-18 17:02 ` Kevin Wolf
2019-11-18 17:02 ` [PULL 4/4] iotests: Test multiple blockdev-snapshot calls Kevin Wolf
2019-11-18 17:44 ` [PULL 0/4] Block layer patches for 4.2.0-rc2 Peter Maydell
4 siblings, 0 replies; 6+ messages in thread
From: Kevin Wolf @ 2019-11-18 17:02 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, peter.maydell, qemu-devel
bs->options and bs->explicit_options shouldn't contain any options for
child nodes. bdrv_open_inherited() takes care to remove any options that
match a child name after opening the image and the same is done when
reopening.
However, we miss the case of 'backing': null, which is a child option,
but results in no child being created. This means that a 'backing': null
remains in bs->options and bs->explicit_options.
A typical use for 'backing': null is in live snapshots: blockdev-add for
the qcow2 overlay makes sure not to open the backing file (because it is
already opened and blockdev-snapshot will attach it). After doing a
blockdev-snapshot, bs->options and bs->explicit_options become
inconsistent with the actual state (bs has a backing file now, but the
options still say null). On the next occasion that the image is
reopened, e.g. switching it from read-write to read-only when another
snapshot is taken, the option will take effect again and the node
incorrectly loses its backing file.
Fix bdrv_open_inherited() to remove the 'backing' option from
bs->options and bs->explicit_options even for the case where it
specifies that no backing file is wanted.
Reported-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Tested-by: Peter Krempa <pkrempa@redhat.com>
---
block.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block.c b/block.c
index 4cffc2bc35..473eb6eeaa 100644
--- a/block.c
+++ b/block.c
@@ -3019,6 +3019,8 @@ static BlockDriverState *bdrv_open_inherit(const char *filename,
"use \"backing\": null instead");
}
flags |= BDRV_O_NO_BACKING;
+ qdict_del(bs->explicit_options, "backing");
+ qdict_del(bs->options, "backing");
qdict_del(options, "backing");
}
--
2.20.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PULL 4/4] iotests: Test multiple blockdev-snapshot calls
2019-11-18 17:02 [PULL 0/4] Block layer patches for 4.2.0-rc2 Kevin Wolf
` (2 preceding siblings ...)
2019-11-18 17:02 ` [PULL 3/4] block: Remove 'backing': null from bs->{explicit_, }options Kevin Wolf
@ 2019-11-18 17:02 ` Kevin Wolf
2019-11-18 17:44 ` [PULL 0/4] Block layer patches for 4.2.0-rc2 Peter Maydell
4 siblings, 0 replies; 6+ messages in thread
From: Kevin Wolf @ 2019-11-18 17:02 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, peter.maydell, qemu-devel
Test that doing a second blockdev-snapshot doesn't make the first
overlay's backing file go away.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
---
tests/qemu-iotests/273 | 76 +++++++++
tests/qemu-iotests/273.out | 337 +++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/group | 1 +
3 files changed, 414 insertions(+)
create mode 100755 tests/qemu-iotests/273
create mode 100644 tests/qemu-iotests/273.out
diff --git a/tests/qemu-iotests/273 b/tests/qemu-iotests/273
new file mode 100755
index 0000000000..98a672516d
--- /dev/null
+++ b/tests/qemu-iotests/273
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+#
+# Test multiple blockdev-snapshot calls with 'backing': null
+#
+# Copyright (C) 2019 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/>.
+#
+
+seq=$(basename "$0")
+echo "QA output created by $seq"
+
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# This is a qcow2 regression test
+_supported_fmt qcow2
+_supported_proto file
+_supported_os Linux
+
+do_run_qemu()
+{
+ echo Testing: "$@"
+ $QEMU -nographic -qmp-pretty stdio -nodefaults "$@"
+ echo
+}
+
+run_qemu()
+{
+ do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp |
+ _filter_generated_node_ids | _filter_imgfmt | _filter_actual_image_size
+}
+
+TEST_IMG="$TEST_IMG.base" _make_test_img 64M
+TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base"
+_make_test_img -b "$TEST_IMG.mid"
+
+run_qemu \
+ -blockdev file,node-name=base,filename="$TEST_IMG.base" \
+ -blockdev file,node-name=midf,filename="$TEST_IMG.mid" \
+ -blockdev '{"driver":"qcow2","node-name":"mid","file":"midf","backing":null}' \
+ -blockdev file,node-name=topf,filename="$TEST_IMG" \
+ -blockdev '{"driver":"qcow2","file":"topf","node-name":"top","backing":null}' \
+<<EOF
+{"execute":"qmp_capabilities"}
+{"execute":"blockdev-snapshot","arguments":{"node":"base","overlay":"mid"}}
+{"execute":"blockdev-snapshot","arguments":{"node":"mid","overlay":"top"}}
+{"execute":"query-named-block-nodes"}
+{"execute":"x-debug-query-block-graph"}
+{"execute":"quit"}
+EOF
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/273.out b/tests/qemu-iotests/273.out
new file mode 100644
index 0000000000..c410fee5c4
--- /dev/null
+++ b/tests/qemu-iotests/273.out
@@ -0,0 +1,337 @@
+QA output created by 273
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
+Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.mid
+Testing: -blockdev file,node-name=base,filename=TEST_DIR/t.IMGFMT.base -blockdev file,node-name=midf,filename=TEST_DIR/t.IMGFMT.mid -blockdev {"driver":"IMGFMT","node-name":"mid","file":"midf","backing":null} -blockdev file,node-name=topf,filename=TEST_DIR/t.IMGFMT -blockdev {"driver":"IMGFMT","file":"topf","node-name":"top","backing":null}
+{
+ QMP_VERSION
+}
+{
+ "return": {
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "return": [
+ {
+ "iops_rd": 0,
+ "detect_zeroes": "off",
+ "image": {
+ "backing-image": {
+ "backing-image": {
+ "virtual-size": 197120,
+ "filename": "TEST_DIR/t.IMGFMT.base",
+ "format": "file",
+ "actual-size": SIZE,
+ "dirty-flag": false
+ },
+ "backing-filename-format": "file",
+ "virtual-size": 67108864,
+ "filename": "TEST_DIR/t.IMGFMT.mid",
+ "cluster-size": 65536,
+ "format": "IMGFMT",
+ "actual-size": SIZE,
+ "format-specific": {
+ "type": "IMGFMT",
+ "data": {
+ "compat": "1.1",
+ "lazy-refcounts": false,
+ "refcount-bits": 16,
+ "corrupt": false
+ }
+ },
+ "full-backing-filename": "TEST_DIR/t.IMGFMT.base",
+ "backing-filename": "TEST_DIR/t.IMGFMT.base",
+ "dirty-flag": false
+ },
+ "backing-filename-format": "IMGFMT",
+ "virtual-size": 67108864,
+ "filename": "TEST_DIR/t.IMGFMT",
+ "cluster-size": 65536,
+ "format": "IMGFMT",
+ "actual-size": SIZE,
+ "format-specific": {
+ "type": "IMGFMT",
+ "data": {
+ "compat": "1.1",
+ "lazy-refcounts": false,
+ "refcount-bits": 16,
+ "corrupt": false
+ }
+ },
+ "full-backing-filename": "TEST_DIR/t.IMGFMT.mid",
+ "backing-filename": "TEST_DIR/t.IMGFMT.mid",
+ "dirty-flag": false
+ },
+ "iops_wr": 0,
+ "ro": false,
+ "node-name": "top",
+ "backing_file_depth": 2,
+ "drv": "IMGFMT",
+ "iops": 0,
+ "bps_wr": 0,
+ "write_threshold": 0,
+ "backing_file": "TEST_DIR/t.IMGFMT.mid",
+ "encrypted": false,
+ "bps": 0,
+ "bps_rd": 0,
+ "cache": {
+ "no-flush": false,
+ "direct": false,
+ "writeback": true
+ },
+ "file": "TEST_DIR/t.IMGFMT",
+ "encryption_key_missing": false
+ },
+ {
+ "iops_rd": 0,
+ "detect_zeroes": "off",
+ "image": {
+ "virtual-size": 197120,
+ "filename": "TEST_DIR/t.IMGFMT",
+ "format": "file",
+ "actual-size": SIZE,
+ "dirty-flag": false
+ },
+ "iops_wr": 0,
+ "ro": false,
+ "node-name": "topf",
+ "backing_file_depth": 0,
+ "drv": "file",
+ "iops": 0,
+ "bps_wr": 0,
+ "write_threshold": 0,
+ "encrypted": false,
+ "bps": 0,
+ "bps_rd": 0,
+ "cache": {
+ "no-flush": false,
+ "direct": false,
+ "writeback": true
+ },
+ "file": "TEST_DIR/t.IMGFMT",
+ "encryption_key_missing": false
+ },
+ {
+ "iops_rd": 0,
+ "detect_zeroes": "off",
+ "image": {
+ "backing-image": {
+ "virtual-size": 197120,
+ "filename": "TEST_DIR/t.IMGFMT.base",
+ "format": "file",
+ "actual-size": SIZE,
+ "dirty-flag": false
+ },
+ "backing-filename-format": "file",
+ "virtual-size": 67108864,
+ "filename": "TEST_DIR/t.IMGFMT.mid",
+ "cluster-size": 65536,
+ "format": "IMGFMT",
+ "actual-size": SIZE,
+ "format-specific": {
+ "type": "IMGFMT",
+ "data": {
+ "compat": "1.1",
+ "lazy-refcounts": false,
+ "refcount-bits": 16,
+ "corrupt": false
+ }
+ },
+ "full-backing-filename": "TEST_DIR/t.IMGFMT.base",
+ "backing-filename": "TEST_DIR/t.IMGFMT.base",
+ "dirty-flag": false
+ },
+ "iops_wr": 0,
+ "ro": true,
+ "node-name": "mid",
+ "backing_file_depth": 1,
+ "drv": "IMGFMT",
+ "iops": 0,
+ "bps_wr": 0,
+ "write_threshold": 0,
+ "backing_file": "TEST_DIR/t.IMGFMT.base",
+ "encrypted": false,
+ "bps": 0,
+ "bps_rd": 0,
+ "cache": {
+ "no-flush": false,
+ "direct": false,
+ "writeback": true
+ },
+ "file": "TEST_DIR/t.IMGFMT.mid",
+ "encryption_key_missing": false
+ },
+ {
+ "iops_rd": 0,
+ "detect_zeroes": "off",
+ "image": {
+ "virtual-size": 197120,
+ "filename": "TEST_DIR/t.IMGFMT.mid",
+ "format": "file",
+ "actual-size": SIZE,
+ "dirty-flag": false
+ },
+ "iops_wr": 0,
+ "ro": false,
+ "node-name": "midf",
+ "backing_file_depth": 0,
+ "drv": "file",
+ "iops": 0,
+ "bps_wr": 0,
+ "write_threshold": 0,
+ "encrypted": false,
+ "bps": 0,
+ "bps_rd": 0,
+ "cache": {
+ "no-flush": false,
+ "direct": false,
+ "writeback": true
+ },
+ "file": "TEST_DIR/t.IMGFMT.mid",
+ "encryption_key_missing": false
+ },
+ {
+ "iops_rd": 0,
+ "detect_zeroes": "off",
+ "image": {
+ "virtual-size": 197120,
+ "filename": "TEST_DIR/t.IMGFMT.base",
+ "format": "file",
+ "actual-size": SIZE,
+ "dirty-flag": false
+ },
+ "iops_wr": 0,
+ "ro": true,
+ "node-name": "base",
+ "backing_file_depth": 0,
+ "drv": "file",
+ "iops": 0,
+ "bps_wr": 0,
+ "write_threshold": 0,
+ "encrypted": false,
+ "bps": 0,
+ "bps_rd": 0,
+ "cache": {
+ "no-flush": false,
+ "direct": false,
+ "writeback": true
+ },
+ "file": "TEST_DIR/t.IMGFMT.base",
+ "encryption_key_missing": false
+ }
+ ]
+}
+{
+ "return": {
+ "edges": [
+ {
+ "name": "file",
+ "parent": 5,
+ "shared-perm": [
+ "graph-mod",
+ "write-unchanged",
+ "consistent-read"
+ ],
+ "perm": [
+ "resize",
+ "write",
+ "consistent-read"
+ ],
+ "child": 4
+ },
+ {
+ "name": "backing",
+ "parent": 5,
+ "shared-perm": [
+ "graph-mod",
+ "resize",
+ "write-unchanged",
+ "write",
+ "consistent-read"
+ ],
+ "perm": [
+ ],
+ "child": 3
+ },
+ {
+ "name": "file",
+ "parent": 3,
+ "shared-perm": [
+ "graph-mod",
+ "write-unchanged",
+ "consistent-read"
+ ],
+ "perm": [
+ "consistent-read"
+ ],
+ "child": 2
+ },
+ {
+ "name": "backing",
+ "parent": 3,
+ "shared-perm": [
+ "graph-mod",
+ "resize",
+ "write-unchanged",
+ "write",
+ "consistent-read"
+ ],
+ "perm": [
+ ],
+ "child": 1
+ }
+ ],
+ "nodes": [
+ {
+ "name": "top",
+ "type": "block-driver",
+ "id": 5
+ },
+ {
+ "name": "topf",
+ "type": "block-driver",
+ "id": 4
+ },
+ {
+ "name": "mid",
+ "type": "block-driver",
+ "id": 3
+ },
+ {
+ "name": "midf",
+ "type": "block-driver",
+ "id": 2
+ },
+ {
+ "name": "base",
+ "type": "block-driver",
+ "id": 1
+ }
+ ]
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "timestamp": {
+ "seconds": TIMESTAMP,
+ "microseconds": TIMESTAMP
+ },
+ "event": "SHUTDOWN",
+ "data": {
+ "guest": false,
+ "reason": "host-qmp-quit"
+ }
+}
+
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 065040398d..c56bb69031 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -284,3 +284,4 @@
268 rw auto quick
270 rw backing quick
272 rw
+273 backing quick
--
2.20.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PULL 0/4] Block layer patches for 4.2.0-rc2
2019-11-18 17:02 [PULL 0/4] Block layer patches for 4.2.0-rc2 Kevin Wolf
` (3 preceding siblings ...)
2019-11-18 17:02 ` [PULL 4/4] iotests: Test multiple blockdev-snapshot calls Kevin Wolf
@ 2019-11-18 17:44 ` Peter Maydell
4 siblings, 0 replies; 6+ messages in thread
From: Peter Maydell @ 2019-11-18 17:44 UTC (permalink / raw)
To: Kevin Wolf; +Cc: QEMU Developers, Qemu-block
On Mon, 18 Nov 2019 at 17:03, Kevin Wolf <kwolf@redhat.com> wrote:
>
> The following changes since commit bbe165740a96f67f48ecd3029dc26bdd7fd5192c:
>
> Merge remote-tracking branch 'remotes/vivier2/tags/ppc-for-4.2-pull-request' into staging (2019-11-18 11:09:06 +0000)
>
> are available in the Git repository at:
>
> git://repo.or.cz/qemu/kevin.git tags/for-upstream
>
> for you to fetch changes up to b1f6a8e180367c945b67c6c9bbcec5c856be3779:
>
> iotests: Test multiple blockdev-snapshot calls (2019-11-18 17:50:08 +0100)
>
> ----------------------------------------------------------------
> Block layer patches:
>
> - Fix HMP savevm with -blockdev
> - Minor iotests improvements
>
> ----------------------------------------------------------------
> Kevin Wolf (3):
> iotests: Fix "no qualified output" error path
> block: Remove 'backing': null from bs->{explicit_,}options
> iotests: Test multiple blockdev-snapshot calls
>
> Vladimir Sementsov-Ogievskiy (1):
> qemu-iotests/iotests.py: improve assert_qmp message
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/4.2
for any user-visible changes.
-- PMM
^ permalink raw reply [flat|nested] 6+ messages in thread
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2019-11-18 17:02 ` [PULL 2/4] iotests: Fix "no qualified output" error path Kevin Wolf
2019-11-18 17:02 ` [PULL 3/4] block: Remove 'backing': null from bs->{explicit_, }options Kevin Wolf
2019-11-18 17:02 ` [PULL 4/4] iotests: Test multiple blockdev-snapshot calls Kevin Wolf
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as well as URLs for NNTP newsgroup(s).