linux-kernel - Re: [PATCH v1] scsi: Don't select SCSI_PROC

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Message-ID: <284c3ecc-b3a8-eeec-92d5-5eda1f20f691@suse.de>
Date:   Mon, 8 Jul 2019 08:01:08 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     dgilbert@...erlog.com,
        "Elliott, Robert (Servers)" <elliott@....com>,
        Bart Van Assche <bvanassche@....org>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        James Bottomley <jejb@...ux.ibm.com>,
        Martin Petersen <martin.petersen@...cle.com>
Cc:     SCSI <linux-scsi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v1] scsi: Don't select SCSI_PROC_FS by default

On 7/5/19 7:53 PM, Douglas Gilbert wrote:
> On 2019-07-05 3:22 a.m., Hannes Reinecke wrote:
[ .. ]
>> As mentioned, rescan-scsi-bus.sh is keeping references to /proc/scsi as
>> a fall back only, as it's meant to work kernel independent. Per default
>> it'll be using /sys, and will happily work without /proc/scsi.
>>
>> So it's really only /proc/scsi/sg which carries some meaningful
>> information; maybe we should move/copy it to somewhere else.
>>
>> I personally like getting rid of /proc/scsi.
> 
> /proc/scsi/device_info doesn't seem to be in sysfs.
> 
> Could the contents of /proc/scsi/sg/* be placed in
> /sys/class/scsi_generic/* ? Currently that directory only has symlinks
> to the sg devices.
> 
The sg parameters are already available in /sys/module/sg/parameters;
so from that perspective I feel we're good.
Problem is /proc/scsi/device_info, for which we currently don't have any
other location to store it at.
Hmm.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@...e.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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HRB 21284 (AG Nürnberg)