From: Igor Fedotov <igor.fedotov@croit.io>
Date: Wed, 19 Jan 2022 12:39:04 +0000 (+0300)
Subject: test/alloc_replay_test: be able to cap allocator space with capacity field.
X-Git-Tag: v18.0.0~1376^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=75fcc062d9c850fb63d2d024b9307f78303cb7d2;p=ceph.git

test/alloc_replay_test: be able to cap allocator space with capacity field.

This way one can manually force the tool to use free extents below
the provided capacity only.

Signed-off-by: Igor Fedotov <igor.fedotov@croit.io>
---

diff --git a/src/test/objectstore/allocator_replay_test.cc b/src/test/objectstore/allocator_replay_test.cc
index 811cc92cdea..95c0454fcea 100644
--- a/src/test/objectstore/allocator_replay_test.cc
+++ b/src/test/objectstore/allocator_replay_test.cc
@@ -292,7 +292,14 @@ int replay_free_dump_and_apply(char* fname,
     offset = strtol(offset_str.c_str(), &p, 16);
     length = strtol(length_str.c_str(), &p, 16);
 
-    alloc->init_add_free(offset, length);
+    // intentionally skip/trim entries that are above the capacity,
+    // just to be able to "shrink" allocator by editing that field
+    if (offset < capacity) {
+      if (offset + length > capacity) {
+        length = offset + length - capacity;
+      }
+      alloc->init_add_free(offset, length);
+    }
 
     ++it;
   }