TAKE 985583 - implement generic xfs_btree_decrement

[lachlan@xxxxxxx (Lachlan McIlroy)]

implement generic xfs_btree_decrement

From: Dave Chinner <dgc@xxxxxxx>

[hch: split out from bigger patch and minor adaptions]

Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Date:  Wed Sep 24 18:05:04 AEST 2008
Workarea:  redback.melbourne.sgi.com:/home/lachlan/isms/2.6.x-btree
Inspected by:  
dgc
billodo
lachlan
Author:  lachlan

The following file(s) were checked into:
  longdrop.melbourne.sgi.com:/isms/linux/2.6.x-xfs-melb


Modid:  xfs-linux-melb:xfs-kern:32191a
fs/xfs/xfs_ialloc.c - 1.203 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_ialloc.c.diff?r1=text&tr1=1.203&r2=text&tr2=1.202&f=h
fs/xfs/xfs_ialloc_btree.h - 1.36 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_ialloc_btree.h.diff?r1=text&tr1=1.36&r2=text&tr2=1.35&f=h
fs/xfs/xfs_ialloc_btree.c - 1.94 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_ialloc_btree.c.diff?r1=text&tr1=1.94&r2=text&tr2=1.93&f=h
fs/xfs/xfs_bmap_btree.h - 1.84 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_bmap_btree.h.diff?r1=text&tr1=1.84&r2=text&tr2=1.83&f=h
fs/xfs/xfs_bmap_btree.c - 1.183 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_bmap_btree.c.diff?r1=text&tr1=1.183&r2=text&tr2=1.182&f=h
fs/xfs/xfs_btree.c - 1.128 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_btree.c.diff?r1=text&tr1=1.128&r2=text&tr2=1.127&f=h
fs/xfs/xfs_btree.h - 1.81 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_btree.h.diff?r1=text&tr1=1.81&r2=text&tr2=1.80&f=h
fs/xfs/xfs_alloc.c - 1.197 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_alloc.c.diff?r1=text&tr1=1.197&r2=text&tr2=1.196&f=h
fs/xfs/xfs_bmap.c - 1.404 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_bmap.c.diff?r1=text&tr1=1.404&r2=text&tr2=1.403&f=h
fs/xfs/xfs_alloc_btree.h - 1.33 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_alloc_btree.h.diff?r1=text&tr1=1.33&r2=text&tr2=1.32&f=h
fs/xfs/xfs_alloc_btree.c - 1.98 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_alloc_btree.c.diff?r1=text&tr1=1.98&r2=text&tr2=1.97&f=h
        - implement generic xfs_btree_decrement