linux-kernel - Re: [RFC][PATCH] fix for async scsi scan sysfs problem (resend)

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Message-Id: <1177352786.6284.51.camel@mulgrave.il.steeleye.com>
Date:	Mon, 23 Apr 2007 14:26:26 -0400
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Josef Bacik <jwhiter@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthew Wilcox <matthew@....cx>
Subject: Re: [RFC][PATCH] fix for async scsi scan sysfs problem (resend)

On Mon, 2007-04-23 at 14:13 -0400, Josef Bacik wrote:
> Ok I have a new patch that I've built and tested on both my UP and SMP machine
> and it appears to work fine.  I took the async check out of scsi_add_lun, I
> don't really see the point in waiting to do the sysfs registration stuff (if
> theres a reason I haven't been able to find it in the original submission of
> this functionality).  Please let me know if this is incorrect.  Thank you,

Yes, it's incorrect ... if you do this, the devices will come up in a
random order for multiple SCSI cards.  One of the original design goals
was not to require udev, so the final ordering should be the same as for
the sync case.

I think the root cause of the problem is somewhere in the fc transport
rport addition code.

James


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