linux-kernel - Re: RFC-patch - make sysfs_create_group skip members with attr.mode == 0

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Message-ID: <44E69FC7.2040406@gmail.com>
Date:	Fri, 18 Aug 2006 23:21:11 -0600
From:	Jim Cromie <jim.cromie@...il.com>
To:	Dmitry Torokhov <dtor@...ightbb.com>
CC:	Alexey Dobriyan <adobriyan@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: RFC-patch - make sysfs_create_group skip members with attr.mode
 == 0

Dmitry Torokhov wrote:
> On Friday 18 August 2006 00:25, Jim Cromie wrote:
>   
>> With this patch, atts 4..N can be disabled at runtime,
>> by setting mode = 0.  Afterwards, when sysfs_group_create
>> is called, it creates attr-files *only* for those whose
>> mode != 0.  IOW - no attr-files for non-existent hardware.
>> Normally, mode is set usefully, and attr-files
>> are created as normal.
>>
>>     
patch trimmed
>
> Unfortunately this does not work too well if your box happen to have
> 2 or more different chips served by the same driver as you fiddle with
> the static array of attributes shared by all device instances.
>
>   

Ack, yes.  Thats become clear over on lm-sensors.
Kinda spoils the supposed generality..

thanks
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