XFS / xfssyncd lock-ups on 2.6.38-8

[Christoph Hellwig]

On Sun, Nov 20, 2011 at 08:34:02AM -0800, Mike Krieger wrote:
> Would appreciate any thoughts/pointers to fixes or workarounds if this is a known issue.

This was fixed by:

	xfs: force the log if we encounter pinned buffers in .iop_pushbuf

in Linux 3.1.  I've also backported it to the 3.0-stable issues.  I
would recommend to upgrade to the latest Linux 3.0-stable release, as
I'll plan to backport all important XFS fixes to it.