[PATCH] nvme: Use non zero KATO for persistent discovery connections

[Keith Busch]

On Tue, Sep 02, 2025 at 01:52:11PM +1000, alistair23 at gmail.com wrote:
> From: Alistair Francis <alistair.francis at wdc.com>
> 
> The NVMe Base Specification 2.1 states that:
> 
> """
> A host requests an explicit persistent connection ... by specifying a
> non-zero Keep Alive Timer value in the Connect command.
> """
> 
> As such if we are starting a persistent connection to a discovery
> controller and the KATO is currently 0 we need to update KATO to a non
> zero value to avoid continuous timeouts on the target.

Thanks, applied to nvme-6.18.