git: hammer2 hammer2 - wire in statfs/statvfs, add the chain structure, etc

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 50e4f8f480b812c317378afdf893900917475b9c
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Thu Feb 9 23:49:37 2012 -0800

    hammer2 - wire in statfs/statvfs, add the chain structure, etc
    
    * Wire mnt_stat and mnt_vstat.  Currently dummy-up the values.  This allows
      the mount point to show up in 'df' output.
    
    * Add the chain structure for upcoming directory search work.  This
      structure will also be used to track through indirect blocks.  The
      chain structure supplies the full blockref chain from an in-memory
      structure to the root volume, allowing modifications to be properly
      tracked.
    
    * Move the volume header read to its own support procedure, it's going to
      eventually be considerably more complex.
    
    * Bring the hammer2_dirhash() procedure in from newfs_hammer2.

Summary of changes:
 sys/vfs/hammer2/hammer2.h        |   37 +++++++++--
 sys/vfs/hammer2/hammer2_subr.c   |   67 ++++++++++++++++++++
 sys/vfs/hammer2/hammer2_vfsops.c |  128 ++++++++++++++++++++++++++------------
 3 files changed, 185 insertions(+), 47 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/50e4f8f480b812c317378afdf893900917475b9c


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