src/test: add comments to explain why EINVAL can be returned on TierEvict()

Signed-off-by: Myoungwon Oh <myoungwon.oh@samsung.com>

diff --git a/src/test/osd/RadosModel.h b/src/test/osd/RadosModel.h
index 5b9046fc55b12ffdbba3dfa9226bbae3e8e8f9bb..6b026c7abed3bf39d3f69262891cd5895284c471 100644 (file)
--- a/src/test/osd/RadosModel.h
+++ b/src/test/osd/RadosModel.h
@@ -3004,7 +3004,9 @@ public:
     if (r == 0) {
       // ok
     } else if (r == -EINVAL) {
-      // probably this is not manifest object 
+      // modifying manifeset object makes existing chunk_map clear
+      // as a result, the modified object is no longer manifest object 
+      // this casues to return -EINVAL
     } else if (r == -ENOENT) {
       // may have raced with a remove?
     } else {