On Fri, 03 Aug 2007 13:29:19 -0600,
ebiederm@xmission.com (Eric W. Biederman) wrote:

> I currently have two practical solutions on the table.
> 
> - Make the s_sibling list walk RCU safe so it does not require us to
>   grab the sysfs_mutex.  This works but is a bit complicated.

But it would be nice, I guess :)

> 
> - Just kill all of the dentries in sysfs_move_dir and sysfs_rename_dir.
>   The semantics are that no one can be using the device at the time
>   of a rename or a move (as I read the callers) so dropping the dentries
>   and making it look like a delete/add pair to the users should be
>   acceptable and a whole lot simpler.

Hm, I'm not sure I understand you here. What do you mean by "using the
device"? Do you mean dropping the sysfs_dirents? Or am I just confused?
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