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Re: [RFC] getgroups2 system call

On Wed, 14 Dec 2011 07:04:06 +0100 (Emmanuel Dreyfus) wrote:

> - a fixed lentgh header is highly desirable for performance
> optimization. For instance glusterfs fetches the header and the data
> using readv(2) with an iovec that has two slots. That way it gets write
> date aligned on a page boundary.

What does NFS do in this case?  I seem to remember that it also imposes
a sane size limit, possibly even below NGROUPS_MAX, is it really the
case?  If so, would this also be acceptable?

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