rgw: append obj: prevent tail from being GC'ed

append object tail gets GC'ed otherwise as the state has a manifest similar to
atomic obj processor, but if the manifest exists and the position is correct, it
is not an overwrite and shouldn't be GC'ed

Fixes: https://tracker.ceph.com/issues/42670
Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>
(cherry picked from commit 2dad52a18f889cca4309e78a88c6c5c2c04d4947)

diff --git a/src/rgw/rgw_putobj_processor.cc b/src/rgw/rgw_putobj_processor.cc
index dedb3002bb2f67f13a0e9fbb79359728b71933b7..4ac9ccb017c6926cf84e625d6a51de31a1ad812d 100644 (file)
--- a/src/rgw/rgw_putobj_processor.cc
+++ b/src/rgw/rgw_putobj_processor.cc
@@ -566,6 +566,7 @@ int AppendObjectProcessor::prepare(optional_yield y)
     }
     cur_manifest = &(*astate->manifest);
     manifest.set_prefix(cur_manifest->get_prefix());
+    astate->keep_tail = true;
   }
   manifest.set_multipart_part_rule(store->ctx()->_conf->rgw_obj_stripe_size, cur_part_num);