[XFS] Remove a bunch of unused functions from XFS.

Patch provided by Eric Sandeen (sandeen@sandeen.net).

SGI-PV: 960897
SGI-Modid: xfs-linux-melb:xfs-kern:28038a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

diff --cc fs/xfs/xfs_bmap.c
Simple merge

diff --cc fs/xfs/xfs_bmap_btree.c
Simple merge

diff --cc fs/xfs/xfs_bmap_btree.h
Simple merge

diff --cc fs/xfs/xfs_da_btree.c
Simple merge

diff --cc fs/xfs/xfs_da_btree.h
Simple merge

diff --cc fs/xfs/xfs_error.c
Simple merge

diff --cc fs/xfs/xfs_error.h
Simple merge

diff --cc fs/xfs/xfs_rtalloc.c
Simple merge

diff --cc fs/xfs/xfs_rtalloc.h
Simple merge