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Date: Wed, 26 Sep 2018 17:06:34 +0200
From: Johannes Thumshirn <jthumshirn@suse.de>
To: Christoph Hellwig <hch@lst.de>
Cc: Bart Van Assche <bvanassche@acm.org>, Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, Ming Lei <ming.lei@redhat.com>,
	Jianchao Wang <jianchao.w.wang@oracle.com>,
	Hannes Reinecke <hare@suse.com>,
	Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH v10 7/8] block: Make blk_get_request() block for non-PM
 requests while suspended
Message-ID: <20180926150634.GD13588@linux-x5ow.site>
References: <20180921203122.49743-1-bvanassche@acm.org>
 <20180921203122.49743-8-bvanassche@acm.org>
 <20180926142740.GE8604@lst.de>
 <20180926144357.GC13588@linux-x5ow.site>
 <20180926145732.GA9446@lst.de>
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List-ID: <linux-block@vger.kernel.org>

On Wed, Sep 26, 2018 at 04:57:32PM +0200, Christoph Hellwig wrote:
> I don't think this actually works given that rpm_status only exists
> if CONFIG_PM is set.

I think it'll work as GCC does constant propagation. There are
actually some places in the kernel that follow this pattern.

	 Johannes
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Johannes Thumshirn                                          Storage
jthumshirn@suse.de                                +49 911 74053 689
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