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From: Bill Ryder <bryder@wetafx.co.nz>
To: ray-gmail@madrabbit.org
Cc: linux-kernel@vger.kernel.org, "Randy.Dunlap" <rdunlap@xenotime.net>
Subject: Re: [PATCH 2.6.18-rc1] Make group sorting optional in the 2.6.x kernels
Date: Wed, 12 Jul 2006 08:22:01 +1200	[thread overview]
Message-ID: <44B40869.6030103@wetafx.co.nz> (raw)
In-Reply-To: <2c0942db0607111109n14353c50wdaf144214d572ffe@mail.gmail.com>



Ray Lee wrote:
> In addition to Randy's fine comments...
>
>
>
> It seems there's a third way to do this that would maintain
> setgroups(2) compatibility and speed when you have a lot of groups.
At least for NFS which is the problem here.
>
> Maintain the list of groups such that the first sixteen correspond to
> what setgroups(2) requested, and keep the rest sorted. A search for
> groups would then linearly check each of the first sixteen entries
> then, if there's more, binary search the remainder from 16 to
> group_info->ngroups.
That's a great idea.

I'll do that instead.

And next time I won't attach the patch :-)







  parent reply	other threads:[~2006-07-11 20:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-11  4:26 Bill Ryder
2006-07-11  5:29 ` Randy.Dunlap
     [not found] ` <2c0942db0607111120h686e70x44037730a1a4c92f@mail.gmail.com>
2006-07-11 19:27   ` Ray Lee
     [not found] ` <2c0942db0607111109n14353c50wdaf144214d572ffe@mail.gmail.com>
2006-07-11 20:22   ` Bill Ryder [this message]
2006-07-19  8:02 ` Frank van Maarseveen
2006-07-19 20:17   ` Bill Ryder
2006-07-20  9:35     ` Frank van Maarseveen
2006-07-20 20:40       ` Bill Ryder
2006-07-20 22:11         ` Frank van Maarseveen

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