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Date:   Mon, 17 Sep 2018 10:46:55 -0400
From:   Waiman Long <longman@...hat.com>
To:     Davidlohr Bueso <dave@...olabs.net>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.com>,
        Jeff Layton <jlayton@...chiereds.net>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Tejun Heo <tj@...nel.org>,
        Christoph Lameter <cl@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andi Kleen <andi@...stfloor.org>,
        Dave Chinner <dchinner@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>
Subject: Re: [PATCH v9 3/5] vfs: Use dlock list for superblock's inode list

On 09/17/2018 10:15 AM, Davidlohr Bueso wrote:
> On Wed, 12 Sep 2018, Waiman Long wrote:
>
>> @@ -927,8 +921,6 @@ struct inode *new_inode(struct super_block *sb)
>> {
>>     struct inode *inode;
>>
>> -    spin_lock_prefetch(&sb->s_inode_list_lock);
>
> I think we can get rid of the spin_lock_prefetch call altogether as
> this is the
> only user left afaict.

You are right. I will send out an additional patch to get rid of the
spin_lock_prefetch() function.

Cheers,
Longman

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