From: Ben Collins <bcollins@debian.org>
To: James Bottomley <James.Bottomley@steeleye.com>
Cc: Christoph Hellwig <hch@infradead.org>,
SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: FWD: [BK PATCH] SCSI host num allocation improvement
Date: Fri, 27 Feb 2004 10:15:52 -0500 [thread overview]
Message-ID: <20040227151551.GK4019@phunnypharm.org> (raw)
In-Reply-To: <1077894499.1806.14.camel@mulgrave>
On Fri, Feb 27, 2004 at 09:08:18AM -0600, James Bottomley wrote:
> On Fri, 2004-02-27 at 06:48, Christoph Hellwig wrote:
> > Well, the last patch looks sane if we want to do that. But didn't we
> > declare the mononically increasing host numbers a feature?
>
> This is the part that worries me too. At the moment with monotonically
> increasing host numbers, the operation of scsi_host_lookup() is provably
> safe. Can we prove that all uses of it are still safe if we reuse the
> host numbers?
If a driver somehow removes it's scsi host and then later attempts a
scsi_host_lookup for the id, I think that driver is broken anyway. IOW,
it is safe as long as you aren't broken in the first place.
--
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next prev parent reply other threads:[~2004-02-27 15:17 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-27 0:40 FWD: [BK PATCH] SCSI host num allocation improvement James Bottomley
2004-02-27 0:56 ` Matthew Dharm
2004-02-27 1:04 ` Ben Collins
2004-02-27 7:56 ` Arjan van de Ven
2004-02-27 12:30 ` Ben Collins
2004-02-27 12:39 ` Matthew Wilcox
2004-02-27 12:43 ` Ben Collins
2004-02-27 12:48 ` Christoph Hellwig
2004-02-27 12:48 ` Christoph Hellwig
2004-02-27 13:04 ` Ben Collins
2004-02-27 16:49 ` Mike Anderson
2004-02-27 17:00 ` Ben Collins
2004-02-27 21:26 ` Mike Anderson
2004-02-27 15:08 ` James Bottomley
2004-02-27 15:15 ` Ben Collins [this message]
2004-02-27 15:29 ` James Bottomley
2004-02-27 15:32 ` Ben Collins
2004-02-27 16:37 ` James Bottomley
2004-02-27 16:39 ` Ben Collins
-- strict thread matches above, loose matches on Subject: below --
2004-02-27 13:25 David.Egolf
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