On 8/13/21 9:29 AM, Tejun Heo wrote:
The problem with complex optional hardware features is often the accompanying variability in terms of availability, reliability and behavior. The track record has been pretty sad. That isn't to say this won't be useful for anybody but it'd need careful coordination in terms of picking hardware vendor and model and ensuring vendor support, which kinda severely limits the usefulness.
I think the above view is too negative. Companies that store large amounts of data have the power to make this happen by only buying storage devices that support I/O prioritization well enough.
Bart.
