Alex Bligh <[email protected]> writes:

> I am trying to clean up the documentation of the NBD protocol. NBD's
> support for Force Unit Access (FUA) was modelled on the linux kernel
> block layer. When I added support a few years ago, I omitted to find
> out exactly what types of request it applies to. Obviously it applies
> to write requests, but how about others (e.g. read)?

Any request with REQ_FUA set will be treated as a flush by the block
layer.  As such, we do not expect reads to have this bit set.

Cheers,
Jeff

------------------------------------------------------------------------------
Transform Data into Opportunity.
Accelerate data analysis in your applications with
Intel Data Analytics Acceleration Library.
Click to learn more.
http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140
_______________________________________________
Nbd-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/nbd-general

Reply via email to