linux-kernel - Re: [PATCH v7 14/24] btrfs: Convert from readpages to readahead

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Message-ID: <20200220154658.GA19577@infradead.org>
Date:   Thu, 20 Feb 2020 07:46:58 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Johannes Thumshirn <Johannes.Thumshirn@....com>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
        "linux-erofs@...ts.ozlabs.org" <linux-erofs@...ts.ozlabs.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
        "linux-f2fs-devel@...ts.sourceforge.net" 
        <linux-f2fs-devel@...ts.sourceforge.net>,
        "cluster-devel@...hat.com" <cluster-devel@...hat.com>,
        "ocfs2-devel@....oracle.com" <ocfs2-devel@....oracle.com>,
        "linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>
Subject: Re: [PATCH v7 14/24] btrfs: Convert from readpages to readahead

On Thu, Feb 20, 2020 at 05:48:49AM -0800, Matthew Wilcox wrote:
> btrfs: Convert from readpages to readahead
>   
> Implement the new readahead method in btrfs.  Add a readahead_page_batch()
> to optimise fetching a batch of pages at once.

Shouldn't this readahead_page_batch heper go into a separate patch so
that it clearly stands out?