From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: EXPORT_SYMBOL(scsi_use_blk_mq);
Date: Sun, 17 Apr 2016 11:04:41 -0700
Message-ID: <20160417180441.GA9327@infradead.org>
References: <5712ED24.60806@interlog.com>
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To: Douglas Gilbert <dgilbert@interlog.com>
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On Sat, Apr 16, 2016 at 09:55:48PM -0400, Douglas Gilbert wrote:
> Is there a good reason why 'bool scsi_use_blk_mq' declared as
> extern in scsi_hosts.h is not an exported symbol?

Yes, no module has any business looking at the symbol.