From: Kurt Garloff <garloff@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: hch@infradead.org, linux-scsi@vger.kernel.org,
pbadari@us.ibm.com, willy@debian.org,
James.Bottomley@steeleye.com
Subject: Re: lots and lots of disks again
Date: Wed, 11 Feb 2004 15:56:14 +0100 [thread overview]
Message-ID: <20040211145614.GA4010@tpkurt.garloff.de> (raw)
In-Reply-To: <20040210102603.0c835212.akpm@osdl.org>
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Hi Andrew,
On Tue, Feb 10, 2004 at 10:26:03AM -0800, Andrew Morton wrote:
> Kurt Garloff <garloff@suse.de> wrote:
> >
> > Since when is 4k huge?
> > Sorry, I don't see any benefit in adding complexity to avoid a 4k array.
>
> Well yes, but we do have lib/idr.c which I believe does what you need. It
> is simple to use.
It can store a pointer per ID. One that I don't need, unless I overlook
some possibility to put an already existing pointer in there.
If we really allocate thousands of disks, the overhead of this solution
will be higher than the bitmap, I'm afraid.
Regards,
--
Kurt Garloff <garloff@suse.de> Cologne, DE
SUSE LINUX AG, Nuernberg, DE SUSE Labs (Head)
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next prev parent reply other threads:[~2004-02-11 14:59 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-04 10:45 lots and lots of disks again Andrew Morton
2004-02-10 11:04 ` Kurt Garloff
2004-02-10 11:26 ` Kurt Garloff
2004-02-10 13:39 ` Christoph Hellwig
2004-02-10 15:47 ` Kurt Garloff
2004-02-10 15:52 ` Christoph Hellwig
2004-02-10 16:08 ` Kurt Garloff
2004-02-10 20:10 ` Andries Brouwer
2004-02-10 20:11 ` Matthew Wilcox
2004-02-10 20:58 ` Kurt Garloff
2004-02-10 21:21 ` viro
2004-02-10 21:34 ` Kurt Garloff
2004-02-10 21:42 ` viro
2004-02-10 22:28 ` Kurt Garloff
2004-02-10 18:26 ` Andrew Morton
2004-02-11 14:56 ` Kurt Garloff [this message]
2004-02-11 21:28 ` Andrew Morton
2004-02-11 22:09 ` Kurt Garloff
2004-02-11 22:29 ` Andrew Morton
2004-02-11 22:53 ` viro
2004-02-12 15:00 ` Kurt Garloff
2004-02-12 15:20 ` James Bottomley
2004-02-12 15:57 ` viro
2004-02-12 16:18 ` Kurt Garloff
2004-02-12 16:43 ` James Bottomley
2004-02-16 12:40 ` Kurt Garloff
2004-02-16 22:57 ` Andries Brouwer
2004-02-17 0:56 ` James Bottomley
2004-02-17 7:57 ` Kurt Garloff
2004-02-17 15:08 ` James Bottomley
2004-02-17 15:28 ` Matthew Wilcox
2004-02-17 14:49 ` Andries Brouwer
2004-02-17 15:18 ` James Bottomley
2004-02-17 15:27 ` Kurt Garloff
2004-02-29 16:41 ` James Bottomley
2004-02-29 23:31 ` Kurt Garloff
2004-03-03 19:30 ` Mike Anderson
2004-03-03 19:55 ` Kurt Garloff
2004-02-17 15:50 ` Andries Brouwer
2004-02-17 17:57 ` James Bottomley
2004-02-17 18:44 ` Andries Brouwer
2004-02-13 0:05 ` Kurt Garloff
2004-02-16 12:31 ` Kurt Garloff
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