On 5/5/20 12:38 PM, Alberto Garcia wrote:
This helper function tells us if a cluster is allocated (that is,
there is an associated host offset for it).
Signed-off-by: Alberto Garcia <be...@igalia.com>
---
block/qcow2.h | 6 ++++++
1 file changed, 6 insertions(+)
Reviewed-by: Eric Blake <ebl...@redhat.com>
diff --git a/block/qcow2.h b/block/qcow2.h
index be7816a3b8..b5db8d2f36 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -763,6 +763,12 @@ QCow2SubclusterType
qcow2_get_subcluster_type(BlockDriverState *bs,
}
}
+static inline bool qcow2_cluster_is_allocated(QCow2ClusterType type)
+{
+ return (type == QCOW2_CLUSTER_COMPRESSED || type == QCOW2_CLUSTER_NORMAL ||
+ type == QCOW2_CLUSTER_ZERO_ALLOC);
+}
+
/* Check whether refcounts are eager or lazy */
static inline bool qcow2_need_accurate_refcounts(BDRVQcow2State *s)
{
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
