[PATCH] block: always allocate integrity buffer

[Martin K. Petersen]

Keith,

> The integrity buffer is mandatory for nvme formats that have metadata
> whether or not you want it generated or verified. The block integrity
> attributes read_verify and write_generate had been stopping the
> metadata buffer from being allocated and attached to the bio entirely.
> We only want to suppress the protection checks on the device and host,
> but we still need the buffer.

Looks OK to me.

Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>

-- 
Martin K. Petersen