[PATCH V4 5/9] nvme: add sysfs attribute to change IO timeout per controller

[Sagi Grimberg]

On 08/05/2026 16:33, Maurizio Lombardi wrote:
> Currently, there is no method to adjust the timeout values on a
> per controller basis with nvme I/O queues.
> Add an io_timeout attribute to nvme so that different nvme controllers
> which may have different timeout requirements can have custom
> I/O timeouts set.

Why is this needed? Why not simply change the timeout on
the namespaces themselves?