1490 	size_t num_written = 0;  in __btrfs_buffered_write()  local
1677 		num_written += copied;  in __btrfs_buffered_write()
1691 	return num_written ? num_written : ret;  in __btrfs_buffered_write()
1761 	ssize_t num_written = 0;  in btrfs_file_write_iter()  local
1818 		num_written = __btrfs_direct_write(iocb, from, pos);  in btrfs_file_write_iter()
1820 		num_written = __btrfs_buffered_write(file, from, pos);  in btrfs_file_write_iter()
1821 		if (num_written > 0)  in btrfs_file_write_iter()
1822 			iocb->ki_pos = pos + num_written;  in btrfs_file_write_iter()
1835 	if (num_written > 0) {  in btrfs_file_write_iter()
1836 		err = generic_write_sync(file, pos, num_written);  in btrfs_file_write_iter()
1838 			num_written = err;  in btrfs_file_write_iter()
1845 	return num_written ? num_written : err;  in btrfs_file_write_iter()