Re: [PATCH 4/5] qemu: capabilities: Introduce QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY

The capability is based on qemu's support of using blockdev-snapshot to install backing chain also for images which are in use by a block-copy job. Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml | 1 + 3 files changed, 4 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index a75ca0574d..25a77c24af 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -565,6 +565,7 @@ VIR_ENUM_IMPL(virQEMUCaps, /* 355 */ "vhost-user-fs", "query-named-block-nodes.flat", + "blockdev-snapshot.allow-write-only-overlay", ); @@ -1442,6 +1443,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = { { "human-monitor-command/$savevm-monitor-nodes", QEMU_CAPS_SAVEVM_MONITOR_NODES }, { "blockdev-add/arg-type/+nvme", QEMU_CAPS_DRIVE_NVME }, { "query-named-block-nodes/arg-type/flat", QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT }, + { "blockdev-snapshot/$allow-write-only-overlay", QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY },