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Date: Sun, 21 Jun 2015 06:22:32 -0700 From: Dan Williams <dan.j.williams@...el.com> To: Christoph Hellwig <hch@....de> Cc: Jens Axboe <axboe@...nel.dk>, "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>, Boaz Harrosh <boaz@...xistor.com>, "Kani, Toshimitsu" <toshi.kani@...com>, Vishal Verma <vishal.l.verma@...ux.intel.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Linux ACPI <linux-acpi@...r.kernel.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org> Subject: Re: [PATCH 12/15] libnvdimm: enable iostat On Sun, Jun 21, 2015 at 3:11 AM, Christoph Hellwig <hch@....de> wrote: > On Fri, Jun 19, 2015 at 02:02:39AM -0700, Dan Williams wrote: >> On Fri, Jun 19, 2015 at 1:34 AM, Christoph Hellwig <hch@....de> wrote: >> > 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? >> >> It's always built the Kconfig just selects the default initial state >> of QUEUE_FLAG_IO_STAT. They can always turn it on/off via block queue >> sysfs. > > Oh, missed that. Just drop the Kconfig option in that case. Ok. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
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