Re: xfstests 073 regression

[Dave Chinner]

On Sun, Jul 31, 2011 at 11:10:14PM +0800, Wu Fengguang wrote:
> On Sat, Jul 30, 2011 at 09:44:22PM +0800, Christoph Hellwig wrote:
> > This patch fixes the hang for me.
> 
> Thanks. It'd be better to get the _simple and tested_ fix into 3.1-rc1.
> (if anyone find major problems with the fix, please speak up)

Yes, I already have, a couple of hours before you sent this:

http://www.spinics.net/lists/linux-fsdevel/msg47357.html

We haven't found the root cause of the problem, and writeback cannot
hold off grab_super_passive() because writeback only holds read
locks on s_umount, just like grab_super_passive. So if
grab_super_passive is failing, there is some other, not yet
unidentified actor causing this problem....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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