On 06/13/2011 05:07 PM, Jim Schutt wrote:
> Hi,
>
> On a system under a heavy write load from multiple ceph OSDs,
> I'm running into the following hung tasks where btrfs is implicated.
> I'm running commit 3c25fa740e2 from Linus' tree merged with
> commit cb9b41c92fa from git://ceph.newdream.net/git/ceph-client.git.
>

Please try this patch and verify it fixes the problem.  If it does I'll 
make it less crappy and send it along.  Thanks,

Josef