[PATCH v2 0/1] nvme: Add fault injection feature

[Christoph Hellwig]

On Wed, Jan 24, 2018 at 03:23:09PM -0500, Thomas Tai wrote:
> Linux's fault injection framework provides a systematic way to support
> error injection via debugfs in the /sys/kernel/debug directory. This
> patch uses the framework to add error injection to NVMe driver. 

Care to expand on the use cases a bit more?  Especially on what this
buys us vs block layer error injection?