[dm-devel] [PATCH 1/5] nvme: Add more command status translation

[Christoph Hellwig]

On Thu, Jan 04, 2018 at 03:46:19PM -0700, Keith Busch wrote:
> This adds more NVMe status code translations to blk_status_t values,
> and captures all the current status codes NVMe multipath uses.
> 
> Signed-off-by: Keith Busch <keith.busch at intel.com>
> ---
>  drivers/nvme/host/core.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index 2a69d735efbc..f1cf1f6c5b28 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -156,14 +156,20 @@ static blk_status_t nvme_error_status(struct request *req)
>  	case NVME_SC_SUCCESS:
>  		return BLK_STS_OK;
>  	case NVME_SC_CAP_EXCEEDED:
> +	case NVME_SC_LBA_RANGE:
>  		return BLK_STS_NOSPC;

lba range isn't really enospc.  It is returned when the lba in
the command is outside the logical size of the namespace.