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SubjectRE: [PATCH v3 18/21] nd_btt: atomic sector updates
Date


> -----Original Message-----
> From: Linux-nvdimm [mailto:linux-nvdimm-bounces@lists.01.org] On Behalf Of
> Dan Williams
> Sent: Wednesday, May 20, 2015 3:58 PM
> To: axboe@kernel.dk
> Cc: mingo@kernel.org; linux-nvdimm@lists.01.org; neilb@suse.de;
> gregkh@linuxfoundation.org; Dave Chinner; linux-kernel@vger.kernel.org; Andy
> Lutomirski; Jens Axboe; linux-acpi@vger.kernel.org; H. Peter Anvin;
> hch@lst.de
> Subject: [PATCH v3 18/21] nd_btt: atomic sector updates
>
> From: Vishal Verma <vishal.l.verma@linux.intel.com>
>
...
> diff --git a/drivers/block/nd/Kconfig b/drivers/block/nd/Kconfig
> index 00d9afe9475e..2b169806eac5 100644
> --- a/drivers/block/nd/Kconfig
> +++ b/drivers/block/nd/Kconfig
> @@ -32,9 +32,25 @@ config BLK_DEV_PMEM
> capable of DAX (direct-access) file system mappings. See
> Documentation/blockdev/nd.txt for more details.
>
> - Say Y if you want to use a NVDIMM described by NFIT
> + Say Y if you want to use a NVDIMM described by ACPI, E820, etc...
>
> config ND_BTT_DEVS
> - def_bool y
> + bool
> +
> +config ND_BTT
> + tristate "BTT: Block Translation Table (atomic sector updates)"
> + depends on LIBND
> + default LIBND
> + select ND_BTT_DEVS

The ND_BTT option, which is presented during a kernel build,
is missing help text. So is E820_PMEM in patch 3/21.

---
Robert Elliott, HP Server Storage


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