Re: proc_name in sysfs

[Christoph Hellwig <hch@infradead.org>]

On Wed, Apr 06, 2005 at 01:40:04PM +0200, Frederic TEMPORELLI wrote:
> Hello,
> 
> 
> We are using HBAs modules names from "proc_name" interface in sysfs:
> /sys/class/scsi_host/hostX/proc_name.
> 
> But with new Emulex drivers (8.0.21 and +), proc_name is reporting <NULL> 
> (previous drivers were reporting "lpfc").
> => In the driver code, .proc_name field from scsi_host_template structure 
> is no more initialized.
> James Smart told us that the "removal" of .proc_name field (not really 
> removed, but no more initialized) was part of the /proc interfaces removal 
> (suggested by scsi-linux feedback).
> 
> So:
> 1/ now, what is the aim of proc_name interface (reporting "<NULL>") in 
> sysfs ?
> 2/ now, how can we get the adapter module name from sysfs ?
> 
> => I'm just thinking that .proc_name field has to be kept initialized 
> and/or something has to be changed to replace the confusing "proc" prefix.

The real problem is that someone decided to export the proc_name in sysfs.
It's supposed to be only procfs-specific but someone violated that rule.

Not sure how to proceed forward with this.