linux-kernel - Re: [PATCH v5 0/5] vfs: Use per-cpu list for SB's s

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Date:	Thu, 3 Mar 2016 11:41:18 +0100
From:	Jan Kara <jack@...e.cz>
To:	Waiman Long <Waiman.Long@....com>
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>,
	Scott J Norton <scott.norton@...com>,
	Douglas Hatch <doug.hatch@...com>
Subject: Re: [PATCH v5 0/5] vfs: Use per-cpu list for SB's s_inodes list

On Tue 01-03-16 15:59:58, Waiman Long wrote:
> v4->v5:
>  - Fix the UP panic problem reported by 0day test by unifying the SMP
>    and UP code.
>  - Add patch 5 to add a new kernel config parameter to allow disabling
>    per-cpu list for small systems that won't benefit much from this
>    feature.

Hum, it seems you've missed my comment in [1] regarding a race I found.

[1] http://www.spinics.net/lists/linux-fsdevel/msg95052.html

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR