[LSF/MM/BPF ATTEND][LSF/MM/BPF Topic] Non-block IO

[John Meneghini]

On 2/10/23 13:00, Kanchan Joshi wrote:
> 1. Command cancellation: while NVMe mandatorily supports the abort
> command, we do not have a way to trigger that from user-space. There
> are ways to go about it (with or without the uring-cancel interface) but
> not without certain tradeoffs. It will be good to discuss the choices in
> person.

As one of the principle authors of TP4097a and the author of the one NVMe controller implementation that supports the NVMe 
Cancel command I would like to attend LSF/MM this year and talk about this.

See my SDC presentation where I describe all of the problems with the NVMe Abort command and demonstrates a Linux host sending 
NVMe Abort and Cancel command to an IO controller:

https://www.youtube.com/watch?v=vRrAD1U0IRw


/John