Re: [PATCHv9 4/6] iomap: Refactor iomap_write_delalloc_punch() function out

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Minor nit:

> +static int iomap_write_delalloc_punch(struct inode *inode, struct folio *folio,
> +		loff_t *punch_start_byte, loff_t start_byte, loff_t end_byte,
> +		int (*punch)(struct inode *inode, loff_t offset, loff_t length))
> +{
> +	int ret = 0;
> +
> +	if (!folio_test_dirty(folio))
> +		return ret;
Either this could be changed to `goto out`

OR

> +
> +	/* if dirty, punch up to offset */
> +	if (start_byte > *punch_start_byte) {
> +		ret = punch(inode, *punch_start_byte,
> +				start_byte - *punch_start_byte);
> +		if (ret)
> +			goto out;

This could be changed to `return ret` and we could get rid of the `out`
label.
> +	}
> +	/*
> +	 * Make sure the next punch start is correctly bound to
> +	 * the end of this data range, not the end of the folio.
> +	 */
> +	*punch_start_byte = min_t(loff_t, end_byte,
> +				  folio_next_index(folio) << PAGE_SHIFT);
> +
> +out:
> +	return ret;
> +}
> +





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