From: myoungwon oh <ohmyoungwon@gmail.com>
Date: Wed, 3 Mar 2021 06:35:14 +0000 (+0900)
Subject: src/test: add comments to explain why EINVAL can be returned on TierEvict()
X-Git-Tag: v17.1.0~2307^2~16
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=43eaf7b92823acaabcfb8a79ac297a721638571c;p=ceph.git

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 5b9046fc55b1..6b026c7abed3 100644
--- 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 {