Merge pull request ceph#61471 from idryomov/wip-65889-more

cls/rbd: don't use read API for write-like methods

Reviewed-by: Ramana Raja <[email protected]>

Author: idryomov

src/cls/rbd/cls_rbd_client.cc

@@ -1819,9 +1819,9 @@ int mirror_uuid_set(librados::IoCtx *ioctx, const std::string &uuid) {
   bufferlist in_bl;
   encode(uuid, in_bl);
 
-  bufferlist out_bl;
-  int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_uuid_set", in_bl,
-                      out_bl);
+  librados::ObjectWriteOperation op;
+  op.exec("rbd", "mirror_uuid_set", in_bl);
+  int r = ioctx->operate(RBD_MIRRORING, &op);
   if (r < 0) {
     return r;
   }
@@ -1907,9 +1907,9 @@ int mirror_remote_namespace_set(librados::IoCtx *ioctx,
   bufferlist in_bl;
   encode(mirror_namespace, in_bl);
 
-  bufferlist out_bl;
-  int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_remote_namespace_set",
-                      in_bl, out_bl);
+  librados::ObjectWriteOperation op;
+  op.exec("rbd", "mirror_remote_namespace_set", in_bl);
+  int r = ioctx->operate(RBD_MIRRORING, &op);
   if (r < 0) {
     return r;
   }