linux-kernel - Re: [PATCH v8 17/25] btrfs: Convert from readpages to readahead

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Date:   Wed, 26 Feb 2020 09:05:07 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-erofs@...ts.ozlabs.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com,
        ocfs2-devel@....oracle.com, linux-xfs@...r.kernel.org
Subject: Re: [PATCH v8 17/25] btrfs: Convert from readpages to readahead

On Tue, Feb 25, 2020 at 01:48:30PM -0800, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> 
> Implement the new readahead method in btrfs.  Add a readahead_page_batch()
> to optimise fetching a batch of pages at once.

readahead_page_batch() isn't added in this patch anymore.

Otherwise this looks good to me, although I don't feel confident
enough to give a Reviewed-by for btrfs code.