[PATCH 0/6 v2] xfs: fix the bulkstat mess

[Dave Chinner]

Hi folks, this is version 2 of the bulkstat fixup series first
posted here:

http://oss.sgi.com/archives/xfs/2014-11/msg00057.html

Version 2 fixes the issues Brian found during review:
- chunk formatter error leakage (patch 3)
- moved main loop chunk formatter error handling from patch 4 to
  patch 5
- reworks last_agino updating in patch 6 to do post-formatting
  updates and added comments.

Comeents and testing welcome.

-Dave.