linux-ext4 - Re: [Cluster-devel] [PATCH 00/35 v1] pagevec API cleanups

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Date:   Thu, 1 Jun 2017 04:36:04 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-mm@...ck.org, cluster-devel@...hat.com,
        linux-nilfs@...r.kernel.org, tytso@....edu,
        linux-xfs@...r.kernel.org, "Yan, Zheng" <zyan@...hat.com>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Hugh Dickins <hughd@...gle.com>,
        linux-f2fs-devel@...ts.sourceforge.net,
        David Howells <dhowells@...hat.com>,
        David Sterba <dsterba@...e.com>, ceph-devel@...r.kernel.org,
        Nadia Yvette Chambers <nyc@...omorphy.com>,
        Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>, linux-ext4@...r.kernel.org,
        linux-afs@...ts.infradead.org, linux-btrfs@...r.kernel.org
Subject: Re: [Cluster-devel] [PATCH 00/35 v1] pagevec API cleanups

On Thu, Jun 01, 2017 at 11:32:10AM +0200, Jan Kara wrote:
> * Implement ranged variants for pagevec_lookup and find_get_ functions. Lot
>   of callers actually want a ranged lookup and we unnecessarily opencode this
>   in lot of them.

How does this compare to Kents page cache iterators:

http://www.spinics.net/lists/linux-mm/msg104737.html