linux-kernel - Re: [PATCH v9 08/61] page cache: Use xa

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Message-ID: <20180316180633.e755emgeeovo4ddq@destiny>
Date:   Fri, 16 Mar 2018 14:06:35 -0400
From:   Josef Bacik <josef@...icpanda.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org,
        Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>,
        linux-nilfs@...r.kernel.org
Subject: Re: [PATCH v9 08/61] page cache: Use xa_lock

On Tue, Mar 13, 2018 at 06:25:46AM -0700, Matthew Wilcox wrote:
> From: Matthew Wilcox <mawilcox@...rosoft.com>
> 
> Remove the address_space ->tree_lock and use the xa_lock newly added to
> the radix_tree_root.  Rename the address_space ->page_tree to ->i_pages,
> since we don't really care that it's a tree.
> 
> Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com>
> Acked-by: Jeff Layton <jlayton@...hat.com>

Man my eyes started to glaze over about halfway through this one

Reviewed-by: Josef Bacik <jbacik@...com>

Thanks,

Josef