ceph_dedup_tool: make SampleDedupGlobal::sampling_rate const

Clarifies why it doesn't need to be protected by a lock.

Signed-off-by: Samuel Just <sjust@redhat.com>

diff --git a/src/tools/ceph_dedup_tool.cc b/src/tools/ceph_dedup_tool.cc
index 53db3fd92ccfa5c1b2bfd4ee848b62bff8c9f7f8..d674d88eec2cd7c8d150db3efe45091207afd319 100644 (file)
--- a/src/tools/ceph_dedup_tool.cc
+++ b/src/tools/ceph_dedup_tool.cc
@@ -585,7 +585,7 @@ public:
 
   struct SampleDedupGlobal {
     FpStore fp_store;
-    double sampling_ratio = -1;
+    const double sampling_ratio = -1;
     SampleDedupGlobal(
       int chunk_threshold,
       int sampling_ratio) :