Patchwork [RFC,V5,22/36] qcow2: Add qcow2_dedup_is_running to probe if dedup is running.

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Submitter Benoît Canet
Date Jan. 16, 2013, 4:24 p.m.
Message ID <1358353497-5292-23-git-send-email-benoit@irqsave.net>
Download mbox | patch
Permalink /patch/212818/
State New
Headers show

Comments

Benoît Canet - Jan. 16, 2013, 4:24 p.m.
---
 block/qcow2-dedup.c |    6 ++++++
 block/qcow2.h       |    1 +
 2 files changed, 7 insertions(+)

Patch

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