Re: complete boot failure in 4.5-rc1 caused by nvme: make SG_IO support optional

[Jens Axboe]

On 02/09/2016 10:12 AM, Christoph Hellwig wrote:
> Does this looks reasonable?
>
> ---
>  From 7843fae979df3fc14007735f54cc6bb2f6f66dc5 Mon Sep 17 00:00:00 2001
> From: Christoph Hellwig <hch@xxxxxx>
> Date: Tue, 9 Feb 2016 18:11:32 +0100
> Subject: nvme: fix Kconfig description for BLK_DEV_NVME_SCSI
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>   drivers/nvme/host/Kconfig | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
> index 59307f8..2e24156 100644
> --- a/drivers/nvme/host/Kconfig
> +++ b/drivers/nvme/host/Kconfig
> @@ -17,8 +17,8 @@ config BLK_DEV_NVME_SCSI
>   	  and block devices nodes, as well a a translation for a small
>   	  number of selected SCSI commands to NVMe commands to the NVMe
>   	  driver.  If you don't know what this means you probably want
> -	  to say N here, and if you know what it means you probably
> -	  want to say N as well.
> +	  to say N here, unless you run a distro that abuses this for
> +	  stable device names like some OpenSuSE and SLES versions.

Yep, that looks a lot more reasonable to me. Might be wort including 
that it impacts the mount-by-id on those distros.

--
Jens Axboe