Re: [RFC PATCH 0/5] userspace PI passthrough via AIO/DIO

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On Fri, Mar 21, 2014 at 10:57:31AM -0400, Jeff Moyer wrote:
> "Darrick J. Wong" <darrick.wong@xxxxxxxxxx> writes:
> 
> > This RFC provides a rough implementation of a mechanism to allow
> > userspace to attach protection information (e.g. T10 DIF) data to a
> > disk write and to receive the information alongside a disk read.  The
> > interface is an extension to the AIO interface: two new commands
> > (IOCB_CMD_P{READ,WRITE}VM) are provided.  The last struct iovec in the
> 
> Sorry for the shallow question, but what does that M stand for?

Hmmm... I really don't remember why I picked 'M'.  Probably because it implied
that the IO has extra 'M'etadata associated with it.

But now I see, 'VM' connotes something entirely wrong.

--D
> 
> Cheers,
> Jeff

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