linux-kernel - Asynchronous scsi scanning

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Message-ID: <20070515120228.GI10562@parisc-linux.org>
Date:	Tue, 15 May 2007 06:02:28 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Simon Arlott <simon@...e.lp0.eu>
Cc:	James Bottomley <james.bottomley@...eleye.com>,
	Dave Jones <davej@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org, kernel-packagers@...r.kernel.org
Subject: Asynchronous scsi scanning

On Tue, May 15, 2007 at 12:26:29PM +0100, Simon Arlott wrote:
> I've already suggested a sysfs attribute - or something equivalent - would
> be much better. It's just one function that a user might want to run multiple
> times (e.g. after adding scsi devices?) - why should loading a module be used
> for this?

It's easy to suggest a sysfs attribute.  What you've failed to do is
suggest the pathname of the sysfs attribute, the contents of it, or the
semantics of it (read-only?  read-write?  write-only?  blocking?)

My personal favourite would be to add a new verb to /proc/scsi/scsi, but
James dislikes that idea.

I'd *really* like to hear from distro people.  What is the most
convenient way for you to implement "load all the scsi modules, then
wait until all devices are found"?  James and I had thought that loading
a new module would be the easiest way for you, but it seems inconvenient
for you.
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