219 	struct super_block *upper_sb;  in ovl_sync_fs()  local
241 	upper_sb = ovl_upper_mnt(ofs)->mnt_sb;  in ovl_sync_fs()
243 	down_read(&upper_sb->s_umount);  in ovl_sync_fs()
244 	ret = sync_filesystem(upper_sb);  in ovl_sync_fs()
245 	up_read(&upper_sb->s_umount);  in ovl_sync_fs()
1372 		struct super_block *upper_sb;  in ovl_fill_super()  local
1384 		upper_sb = ovl_upper_mnt(ofs)->mnt_sb;  in ovl_fill_super()
1386 			ofs->errseq = errseq_sample(&upper_sb->s_wb_err);  in ovl_fill_super()
1387 			if (errseq_check(&upper_sb->s_wb_err, ofs->errseq)) {  in ovl_fill_super()
1401 		sb->s_stack_depth = upper_sb->s_stack_depth;  in ovl_fill_super()
1402 		sb->s_time_gran = upper_sb->s_time_gran;  in ovl_fill_super()