Re: [Xen-devel] purpose of struct buf_ioreq's dir field

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: 27 October 2016 12:38
> To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
> Cc: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> Subject: purpose of struct buf_ioreq's dir field
> 
> Hello,
> 
> can anyone shed some light on the purpose of that field? Since
> buffered ioreq-s by their nature don't have any response, I don't
> see what good they can be for when not doing writes.
> 

Indeed. I don't know what it's there for. Keir created the struct in 3ed09ac1 
and I guess he just did a rough clone of the existent ioreq struct .

  Paul

> Thanks, Jan

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