Re: [ANNOUNCE] new new aops patchset

[Nick Piggin <npiggin@suse.de>]

On Thu, Apr 05, 2007 at 12:43:50PM +1000, David Chinner wrote:
> On Thu, Apr 05, 2007 at 10:10:18AM +1000, David Chinner wrote:
> > On Mon, Apr 02, 2007 at 02:09:34PM +0200, Nick Piggin wrote:
> > > Updated aops patchset against 2.6.21-rc5.
> > > 
> > > http://www.kernel.org/pub/linux/kernel/people/npiggin/patches/new-aops/
> > > 
> > > Files/dirs are 2.6.21-rc5-new-aops*
> > > 
> > > Contains numerous fixes from Mark and myself -- I'd say the core code is
> > > getting reasonably stable at this point.
> > ......
> > 
> > > (compile only) patches for NFS, XFS, FUSE, eCryptfs. OK, they're untested,
> > 
> > Failed to compile in UDF and reiser for me, but no doubt you know
> > that already. Don't have time to look at why - I just disabled them
> > so I get some QA done on the XFS and core changes.
> 
> Nick - the XFSQA randholes test locks up. As you can probably guess
> it creates holey files and does stuff to them ;)
> 
> Both pdflush and a write doing an a blocked waiting for a page to become unlocked. 
> They are both waiting on teh same page (0xa0007fffffe8bd68).

[...]

> So the page is locked and it has a delalloc buffer on it that used to
> be a hole. The problem page is at EOF....
> 
> No idea what is going write yet.....

OK, thanks for testing. This is with the full patchset applied, I guess.
No real ideas here (brute force we put a last-locked stack trace into
struct page :P), but I wonder if it may be any of my earlier patches?
(ie. not the new aops path or XFS conversion itself).

Anyway I think randholes is available online, right? I'll try reproduce
here and help.

Thanks,
Nick