Messages in this thread | | | From | "Shivamurthy Shastri (sshivamurthy)" <> | Subject | RE: [EXT] Re: [PATCH] nvme: Add abrupt shutdown support | Date | Mon, 5 Jul 2021 10:40:21 +0000 |
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Micron Confidential
Hi Christoph,
> > > On Mon, Jul 05, 2021 at 10:11:57AM +0000, shiva.linuxworks@gmail.com wrote: > > From: Shivamurthy Shastri <sshivamurthy@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
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