[EXT] Re: [PATCH] nvme: Add abrupt shutdown support

[Shivamurthy Shastri (sshivamurthy)]

Micron Confidential

Hi Christoph,

> 
> 
> On Mon, Jul 05, 2021 at 10:11:57AM +0000, shiva.linuxworks at gmail.com wrote:
> > From: Shivamurthy Shastri <sshivamurthy at micron.com>
> >
> > Enabling the abrupt shutdown support. In this shutdown type host does
> > not need to send Delete I/O Submission Queue and Delete I/O Completion
> > queue commands to the device.
> 
> Why?

This is to achieve faster shutdown at the cost of data in-flight.

As per the spec Deleting Submission queues and Completion queues are not explicitly 
mentioned for performing the abrupt shutdown (CC.SHN=10b).

Thanks,
Shiva


Micron Confidential