fctnl(F_SETSIG) no longer works in 2.6.17, does in 2.6.16.

[Beschorner Daniel]

>>> static void lease_release_private_callback(struct file_lock *fl) 
>>> { 
>>>         if (!fl->fl_file) 
>>>                 return; 
>>>         f_delown(fl->fl_file); 
>>> =>      fl->fl_file->f_owner.signum = 0; 
>>> } 

>> Why should the lease cleanup code be resetting f_owner.signum? That 
>> looks wrong. 
>> Stephen, I think this line of code predates the CITI changes. Do you 
>> know who added it and why? 

>Because when the original code was written, it was only called when we
got 
>a fcntl(F_SETLEASE, F_UNLCK) call.  The code got moved incorrectly and 
>noone noticed.

Does somebody have a patch for this issue? It breaks one important
application (Samba) in its default configuration.

Daniel
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