Merge PR #54808 into main

* refs/pull/54808/head:
	client: fix copying bufferlist to iovec structures in Client::_read
	src/test: test sync call providing nullptr as ctx to async api

Reviewed-by: Venky Shankar <vshankar@redhat.com>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Reviewed-by: Frank S. Filz <ffilzlnx@mindspring.com>

diff --cc .githubmap
index cf5f15c130a7ef29e1f7b32cf2ce338ab15d22ce,cf5f15c130a7ef29e1f7b32cf2ce338ab15d22ce..2df18f1dae618af5137d206b56fd981fac8a739e
--- 1/.githubmap
--- 2/.githubmap
+++ b/.githubmap
@@@ -176,3 -176,3 +176,4 @@@ baergj Joshua Baergen <jbaergen@digital
  zmc Zack Cerza <zack@redhat.com>
  robbat2 Robin H. Johnson <robbat2@orbis-terrarum.net>
  leonid-s-usov Leonid Usov <leonid.usov@ibm.com>
++ffilz Frank S. Filz <ffilzlnx@mindspring.com>