Re: [PATCH] scsi_transport_fc: Initialize sysfs attributes with sysfs_attr_init

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On Tue, 2010-03-16 at 15:48 -0500, Mike Christie wrote:
> On 03/16/2010 05:14 AM, Christof Schmitt wrote:
> > With the new lockdep tracking in sysfs, sysfs_attr_init has to be used
> > for initializing all non-static sysfs attributes. Otherwise, lockdep
> > will warn about the missing initialization with:
> >
> > Mar 15 09:19:49 t6345029 kernel: BUG: key 000000002f5ae350 not in .data!
> > Mar 15 09:19:49 t6345029 kernel: BUG: key 000000002f5ae388 not in .data!
> > Mar 15 09:19:49 t6345029 kernel: BUG: key 000000002f5ae3c0 not in .data!
> > Mar 15 09:19:49 t6345029 kernel: BUG: key 000000002f5ae3f8 not in .data!
> >
> 
> I think iscsi needs this too, but I am not see this error message. I 
> just tried iscsi and fc/lpfc with linus's tree and did not see those 
> errors for either. What .config settings do I need for this? I have:

It's a lot worse than that ... every transport class plus some of the
core attributes will need this.

> CONFIG_LOCKDEP=y
> CONFIG_DEBUG_LOCKDEP=y
> 
> are there other lockdep settings?

I also don't see a problem in my systems, so I'd appreciate an answer to
this too.

James


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