2749 static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,  in f2fs_move_file_range()  argument
2772 	if (pos_out < 0 || pos_in < 0)  in f2fs_move_file_range()
2776 		if (pos_in == pos_out)  in f2fs_move_file_range()
2778 		if (pos_out > pos_in && pos_out < pos_in + len)  in f2fs_move_file_range()
2790 	if (pos_in + len > src->i_size || pos_in + len < pos_in)  in f2fs_move_file_range()
2793 		olen = len = src->i_size - pos_in;  in f2fs_move_file_range()
2794 	if (pos_in + len == src->i_size)  in f2fs_move_file_range()
2795 		len = ALIGN(src->i_size, F2FS_BLKSIZE) - pos_in;  in f2fs_move_file_range()
2806 	if (!IS_ALIGNED(pos_in, F2FS_BLKSIZE) ||  in f2fs_move_file_range()
2807 			!IS_ALIGNED(pos_in + len, F2FS_BLKSIZE) ||  in f2fs_move_file_range()
2821 					pos_in, pos_in + len);  in f2fs_move_file_range()
2840 	ret = __exchange_data_block(src, dst, pos_in >> F2FS_BLKSIZE_BITS,  in f2fs_move_file_range()
2891 	err = f2fs_move_file_range(filp, range.pos_in, dst.file,  in f2fs_ioc_move_range()