linux-kernel - Re: Asynchronous scsi scanning

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Message-ID: <20070517214234.GA398@redhat.com>
Date:	Thu, 17 May 2007 17:42:34 -0400
From:	Dave Jones <davej@...hat.com>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Benjamin LaHaise <bcrl@...ck.org>,
	James Bottomley <james.bottomley@...eleye.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org, kernel-packagers@...r.kernel.org,
	pjones@...hat.com
Subject: Re: Asynchronous scsi scanning

On Thu, May 17, 2007 at 03:30:43PM -0600, Matthew Wilcox wrote:
 > On Thu, May 17, 2007 at 03:43:26PM -0400, Benjamin LaHaise wrote:
 > > On Thu, May 17, 2007 at 01:39:54PM -0600, Matthew Wilcox wrote:
 > > > On Fri, May 18, 2007 at 12:34:40AM +0530, Satyam Sharma wrote:
 > > > > Hmmm, actually those other users could easily write and maintain
 > > > > a 20-line patch that does the wait for async scans thing for them
 > > > > using /proc/scsi/scsi in any case.
 > > > 
 > > > How about the three users who're bothered by this extra module being
 > > > built maintain a one-line patch to Kconfig and leave well enough alone?
 > > 
 > > The module has an added bonus that it doesn't require any new tools to 
 > > make work.  Doing it via sysfs/procfs means a new rev of whatever tool 
 > > generates the boot initrd, plus fixing up boot scripts.  Loading a module 
 > > can be done via a simple option to the existing boot tools.
 > 
 > That was what James and I thought.  However, the distros seem unhappy
 > with it.  Of course, they won't actually *comment* on it, they just
 > disable the async scan and won't talk about why.

FWIW, Fedora 7 has it enabled, and afaik, Peter (mkinitrd maintainer) is happy
with the current situation.  It's my understanding that the latest ubuntu
release has it enabled too, though obviously I can't speak for whether
or not they're happy with the status quo.

	Dave

-- 
http://www.codemonkey.org.uk
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