linux-kernel - Re: [patch 2/4] scsi: expose AN support to user space

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Message-Id: <1187186509.3327.7.camel@localhost.localdomain>
Date:	Wed, 15 Aug 2007 09:01:49 -0500
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>,
	linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [patch 2/4] scsi: expose AN support to user space

On Wed, 2007-08-15 at 04:13 -0400, Jeff Garzik wrote:
> Kristen Carlson Accardi wrote:
> > If a scsi_device supports async notification for media change, then
> > let user space know this capability exists by creating a new sysfs
> > entry "media_change_notify", which will be 1 if it is supported, and
> > 0 if not supported.  Create a routine which allows scsi devices to
> > send a uevent when media change events occur.
> > 
> > Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@...el.com>
> 
> if James is happy with this patch, I'm happy with patch #2 and #3

Actually, we just got a second potential consumer ... although I'll
reprod to have the reporter send it to the list.  It's a device that
needs notice of report luns data changing.  The proposed mechanism looks
a bit narrow now (too tied to media change).  I'll see if I can propose
a more generic update.

James


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