[PATCH] xfs: avoid synchronous transactions when deleting attr blocks

[Alex Elder]

On Sat, 2011-08-27 at 10:45 -0400, Christoph Hellwig wrote:
> Currently xfs_attr_inactive causes a synchronous transactions if we are
> removing a file that has any extents allocated to the attribute fork, and
> thus makes XFS extremely slow at removing files with out of line extended
> attributes. The code looks a like a relict from the days before the busy
> extent list, but with the busy extent list we avoid reusing data and attr
> extents that have been freed but not commited yet, so this code is just
> as superflous as the synchronous transactions for data blocks.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Reported-by: Bernd Schubert <bernd.schubert at itwm.fraunhofer.de>

Looks good.

Reviewed-by: Alex Elder <aelder at sgi.com>