Re: [PATCH] 1/1 Better expose xenstore limits

[Keir Fraser <keir.fraser@eu.citrix.com>]

On 29/04/2009 17:43, "Tim Post" <echo@echoreply.us> wrote:

> Since xs.h already includes xs_wire, this patch duplicates those limits
> as XS_PAYLOAD_MAX, XS_ABS_PATH_MAX and XS_REL_PATH_MAX. Moving these
> would be a pain, but they really need to be advertised.
> 
> Such limits should be obvious in the headers that people actually use
> outside of the kernel, saving them from wondering what went wrong.
> 
> Added comments direct people to xs_wire.h , in case those limits change.

In terms of documentation, docs/misc/xenstore.txt already does a fine job.
And I think a xen/public/... header is the right place for the limits, since
it is a general documented protocol-level constraint, rather than a
constraint of the particular client library (which is the scope of xs.h
itself).

 -- Keir