linux-kernel - Re: [PATCH] writeback: synchronize sync(2) against cgroup writeback membership switches

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Message-ID: <20171212163059.GB3919388@devbig577.frc2.facebook.com>
Date:   Tue, 12 Dec 2017 08:30:59 -0800
From:   Tejun Heo <tj@...nel.org>
To:     xuejiufei <xuejiufei@...il.com>
Cc:     Jens Axboe <axboe@...nel.dk>, Jan Kara <jack@...e.cz>,
        cgroups@...r.kernel.org, kernel-team@...com,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] writeback: synchronize sync(2) against cgroup writeback
 membership switches

Hello,

On Tue, Dec 12, 2017 at 02:04:45PM +0800, xuejiufei wrote:
> The initialization of wb_switch_rwsem should be in
> the conditional compilation of CONFIG_CGROUP_WRITEBACK,
> right?

Oops, you're right.  Will update the patch.

Thanks.

-- 
tejun