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List: drbd-dev
Subject: Re: [Drbd-dev] [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE
From: Christoph Hellwig <hch () lst ! de>
Date: 2020-09-19 6:58:16
Message-ID: 20200919065816.GA8237 () lst ! de
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On Thu, Sep 17, 2020 at 11:55:07AM +0200, Jan Kara wrote:
> On Thu 10-09-20 16:48:23, Christoph Hellwig wrote:
> > This case isn't ever used.
> >
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> > Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
>
> Are you sure it's never used? As far as I'm reading drdb code the contents
> of the disk_conf structure seems to be received through netlink (that code
> is really a macro hell) and so read_balancing attribute passed to
> remote_due_to_read_balancing() can have any value userspace passed to it.
You are right, looking at how disk_conf is used I can't convince myself
that it is indeed not set through netlink and I've thus dropped the
patch.
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