cls_rbd: enable object map checksums for object_map_save

object_map_save disables CRCs when an object map footer isn't provided.
Unconditionally re-enable object map CRCs before re-encoding the new object
map.

Fixes: #14280
Signed-off-by: Douglas Fuller <dfuller@redhat.com>
(cherry picked from commit d5c02f3ed26edec095d45d7a7f26ff26d1b5aacc)

diff --git a/src/cls/rbd/cls_rbd.cc b/src/cls/rbd/cls_rbd.cc
index 74af0a27329ea1f05f7d3f57200c2a912687cc8f..1c9fa86266a6e82bdf33c6dffe0cf2dfaaf658c8 100644 (file)
--- a/src/cls/rbd/cls_rbd.cc
+++ b/src/cls/rbd/cls_rbd.cc
@@ -2116,6 +2116,8 @@ int object_map_save(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
     return -EINVAL;
   }
 
+  object_map.set_crc_enabled(true);
+
   bufferlist bl;
   ::encode(object_map, bl);
   CLS_LOG(20, "object_map_save: object size=%" PRIu64 ", byte size=%u",