Re: [PATCH 1/7] xfs: push the AIL in xlog_grant_head_wake

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

> +		if (*free_bytes < need_bytes) {
> +			if (!woken_task)
> +				xlog_grant_push_ail(log, need_bytes);
>  			return false;
> +		}

It would be nice to have a comment here with the condensed wisdom from
the commit log.