Re: nfsd changes for 2.6.37

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On Wed, Oct 27, 2010 at 10:59:29AM -0400, Christoph Hellwig wrote:
> On Wed, Oct 27, 2010 at 10:55:39AM -0400, J. Bruce Fields wrote:
> > Hm, two problems:
> > 	- We introduce the possibility of fcntl(fd, F_SETLEASE, F_UNLCK)
> > 	  failing with ENOMEM.
> 
> splitt ->setlease into ->add_least and ->delete_lease.  No need to pass
> in a structure for the later.  No need to return one either.

Sounds fine to me.

> 
> > 	- fasync_helper(.,.,1,.) sleeps.  Argh.
> 
> That's not new..

So we could do

	unlock_flocks();
	error = fasync_helper(fd, filp, 1, &fl->fl_fasync);
	lock_flocks();

and say, hey, we didn't introduce any new bug there.  But....

I don't know, maybe add a version of fasync_add_entry() that takes a
preallocated fasync_struct??

--b.
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