linux-kernel - Re: [PATCH 5/8] fs: xfs: replace BIO_MAX_SECTORS with BIO_MAX

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Date:	Tue, 29 Mar 2016 00:29:33 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
	linux-block@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Anton Altaparmakov <anton@...era.com>, xfs@....sgi.com,
	Dave Chinner <david@...morbit.com>, drbd-dev@...ts.linbit.com,
	Philipp Reisner <philipp.reisner@...bit.com>,
	Lars Ellenberg <lars.ellenberg@...bit.com>,
	Boaz Harrosh <boaz@...xistor.com>
Subject: Re: [PATCH 5/8] fs: xfs: replace BIO_MAX_SECTORS with BIO_MAX_PAGES

> +	nr_pages = BIO_MAX_PAGES;
>  	if (nr_pages > total_nr_pages)
>  		nr_pages = total_nr_pages;

Looks reasonable, but the whole thing could simply become:

	nr_pages = min(total_nr_pages, BIO_MAX_PAGES);