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

[Elliott, Robert (Server Storage)]

> -----Original Message-----
> From: Linux-nvdimm [mailto:linux-nvdimm-bounces@xxxxxxxxxxxx] On Behalf Of
> Dan Williams
> Sent: Wednesday, May 20, 2015 3:58 PM
> To: axboe@xxxxxxxxx
> Cc: mingo@xxxxxxxxxx; linux-nvdimm@xxxxxxxxxxxx; neilb@xxxxxxx;
> gregkh@xxxxxxxxxxxxxxxxxxx; Dave Chinner; linux-kernel@xxxxxxxxxxxxxxx; Andy
> Lutomirski; Jens Axboe; linux-acpi@xxxxxxxxxxxxxxx; H. Peter Anvin;
> hch@xxxxxx
> Subject: [PATCH v3 18/21] nd_btt: atomic sector updates
> 
> From: Vishal Verma <vishal.l.verma@xxxxxxxxxxxxxxx>
> 
...
> 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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