From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 12/15] libnvdimm: enable iostat
Date: Fri, 19 Jun 2015 10:34:10 +0200
Message-ID: <20150619083410.GA2885@lst.de>
References: <20150617235209.12943.24419.stgit@dwillia2-desk3.amr.corp.intel.com> <20150617235551.12943.76656.stgit@dwillia2-desk3.amr.corp.intel.com>
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Cc: axboe@kernel.dk, linux-nvdimm@lists.01.org, boaz@plexistor.com,
	toshi.kani@hp.com, Vishal Verma <vishal.l.verma@linux.intel.com>,
	linux-kernel@vger.kernel.org, hch@lst.de,
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To: Dan Williams <dan.j.williams@intel.com>
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On Wed, Jun 17, 2015 at 07:55:51PM -0400, Dan Williams wrote:
> This is disabled by default as the overhead is prohibitive, but if the
> user takes the action to turn it on we'll oblige.

If you care about users a compile time selection doesn't make sense,
why not always build it but require an opt-in?