270 	struct super_block *upper_sb;  in ovl_sync_fs()  local
298 	upper_sb = ovl_upper_mnt(ofs)->mnt_sb;  in ovl_sync_fs()
300 	down_read(&upper_sb->s_umount);  in ovl_sync_fs()
301 	ret = sync_filesystem(upper_sb);  in ovl_sync_fs()
302 	up_read(&upper_sb->s_umount);  in ovl_sync_fs()
396 	struct super_block *upper_sb;  in ovl_remount()  local
403 		upper_sb = ovl_upper_mnt(ofs)->mnt_sb;  in ovl_remount()
405 			down_read(&upper_sb->s_umount);  in ovl_remount()
406 			ret = sync_filesystem(upper_sb);  in ovl_remount()
407 			up_read(&upper_sb->s_umount);  in ovl_remount()
1972 		struct super_block *upper_sb;  in ovl_fill_super()  local
1983 		upper_sb = ovl_upper_mnt(ofs)->mnt_sb;  in ovl_fill_super()
1985 			ofs->errseq = errseq_sample(&upper_sb->s_wb_err);  in ovl_fill_super()
1986 			if (errseq_check(&upper_sb->s_wb_err, ofs->errseq)) {  in ovl_fill_super()
2000 		sb->s_stack_depth = upper_sb->s_stack_depth;  in ovl_fill_super()
2001 		sb->s_time_gran = upper_sb->s_time_gran;  in ovl_fill_super()