Merge PR #17053 into master

* refs/remotes/upstream/pull/17053/head:
	qa: add chown test clearing S_ISGID and S_ISUID
	ceph-fuse: load supplementary groups by default
	client: clear suid/sgid bits on non-zero write
	client: add missing space in debug msg
	cephfs: clear suid/sgid if regular file is exe
	client: refactor clear set uid/gid if -1

Reviewed-by: Zheng Yan <zyan@redhat.com>