From: Miquel van Smoorenburg <mikevs@xs4all.net>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [PATCH 02/03]: sunrpc: make auth_hashtable_size param mode 0444
Date: Tue, 07 Sep 2010 21:24:09 +0200 [thread overview]
Message-ID: <1283887449.12858.208.camel@laptop> (raw)
In-Reply-To: <1283885932.2788.69.camel@heimdal.trondhjem.org>
On Tue, 2010-09-07 at 14:58 -0400, Trond Myklebust wrote:
> On Sun, 2010-08-22 at 20:31 +0200, Miquel van Smoorenburg wrote:
> > The auth_hashtable_size parameter shows up in
> > /sys/module/sunrpc/parameters with mode 0644. However the hashtables
> > are allocated when the module is loaded, and changing the parameter
> > afterwards doesn't do much. So make it read-only.
>
> The above observation is only correct for AUTH_SYS. The reason for
> making the mode 0644 was to allow users to change the value after
> loading if they want to use RPCSEC_GSS.
Right, I can see that being useful. It's confusing though. It'd be more
clear if there was a seperate knob to tune just
rpcsec_auth_hashtable_size. Anyway, never mind then.
Mike.
next prev parent reply other threads:[~2010-09-07 19:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-22 18:28 [PATCH 00/03] sunrpc: a few authentication cache patches Miquel van Smoorenburg
2010-08-22 18:30 ` [PATCH 01/03]: sunrpc: increase MAX_HASHTABLE_BITS to 14 Miquel van Smoorenburg
2010-09-07 19:03 ` Trond Myklebust
2010-08-22 18:31 ` [PATCH 02/03]: sunrpc: make auth_hashtable_size param mode 0444 Miquel van Smoorenburg
2010-09-07 18:58 ` Trond Myklebust
2010-09-07 19:24 ` Miquel van Smoorenburg [this message]
2010-08-22 18:31 ` [PATCH 03/03] sunrpc: scale hashtable cache size with memory Miquel van Smoorenburg
2010-09-07 19:02 ` Trond Myklebust
2010-09-07 19:52 ` Miquel van Smoorenburg
2010-09-07 20:32 ` Trond Myklebust
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