[Qemu-devel] [RFC V5 22/62] qcow2: Add qcow2_dedup_is_running to probe if dedup is running.

[Benoît Canet]

---
 block/qcow2-dedup.c |    6 ++++++
 block/qcow2.h       |    1 +
 2 files changed, 7 insertions(+)

diff --git a/block/qcow2-dedup.c b/block/qcow2-dedup.c
index 8b51dda..cc99e27 100644
--- a/block/qcow2-dedup.c
+++ b/block/qcow2-dedup.c
@@ -999,3 +999,9 @@ void qcow2_dedup_refcount_half_max_reached(BlockDriverState 
*bs,
     /* remove the QCowHashNode from ram so we won't use it anymore for dedup */
     qcow2_remove_hash_node(bs, hash_node);
 }
+
+bool qcow2_dedup_is_running(BlockDriverState *bs)
+{
+    BDRVQcowState *s = bs->opaque;
+    return s->has_dedup && s->dedup_status == QCOW_DEDUP_STARTED;
+}
diff --git a/block/qcow2.h b/block/qcow2.h
index 842c321..dc9f519 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -505,5 +505,6 @@ void qcow2_dedup_refcount_zero_reached(BlockDriverState *bs,
                                        uint64_t cluster_index);
 void qcow2_dedup_refcount_half_max_reached(BlockDriverState *bs,
                                            uint64_t cluster_index);
+bool qcow2_dedup_is_running(BlockDriverState *bs);
 
 #endif
-- 
1.7.10.4