Re: [PATCH 0/11] nfsacl

[Andreas Gruenbacher]

On Tue, 2004-04-27 at 17:18, J. Bruce Fields wrote:
> On Mon, Apr 26, 2004 at 12:28:47PM +0200, Andreas Gruenbacher wrote:
> > nfsacl-lazy-alloc
> >    Allow to allocate pages in the receive buffers lazily. ACLs may have
> >    up to 1024 entries in nfsacl but usually are small, so allocating
> >    space for them on demand makes sense.
> 
> Is there any reason we couldn't set the maximum smaller than that?  It
> looks like the acl entries are pretty compact (12 bytes if I'm reading
> the xdr code right?) so if we limited the length of an xdr-encoded acl
> to a page that would still allow a few hundred entries.  Are there
> really people that need 1000-entry acls?

Well, that's what the protocol allows so I don't see why we shouldn't
implement it fully. Besides, nfsacl-lazy-alloc benefits the common case
even more, because with small acls that fit into xdr_buf->head entirely,
no page needs to be allocated.

Cheers,
-- 
Andreas Gruenbacher <agruen@xxxxxxx>
SUSE Labs, SUSE LINUX AG

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/