xfs_nondir_ilock_class lockdep warning

[Dave Chinner]

On Wed, Feb 10, 2016 at 07:53:21PM +0900, Tetsuo Handa wrote:
> Hello.
> 
> I'm getting xfs_nondir_ilock_class lockdep warning.
> I reported this because google hits little.
> Please reply if this is not a known false positive.

False positive. The XFS inode memory reclaim code will never try to
reclaim (and hence lock) an inode with an active reference. Hence no
deadlock is possible.

-Dave.
-- 
Dave Chinner
david at fromorbit.com