linux-kernel - Re: [PATCH] scsi: Export SCSI Inquiry data to sysfs

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Message-ID: <55CDDEBB.1040402@avagotech.com>
Date:	Fri, 14 Aug 2015 08:27:39 -0400
From:	James Smart <james.smart@...gotech.com>
To:	Hannes Reinecke <hare@...e.de>,
	Johannes Thumshirn <jthumshirn@...e.de>,
	"James E.J. Bottomley" <JBottomley@...n.com>
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: Export SCSI Inquiry data to sysfs

On 8/14/2015 2:32 AM, Hannes Reinecke wrote:
> On 08/13/2015 01:50 PM, Johannes Thumshirn wrote:
>> Export the RAW SCSI Inquiry to sysfs as binfile. This way the data can be
>> used by userlang without the need to have and ioctl or use the sg_inq tool.
>>
> userland!
>

Just be careful. There are conditions where this could be stale 
data....   LUN reconfig on an array that hasn't been rescanned by the 
mid layer yet is such a case.

Any reason you didn't have the sysfs call initiate a lun scan or send an 
inquiry so it's always valid data ?

-- james s
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