xfs: make several more functions static

Just minor housekeeping, a lot more functions can be trivially made
static; others could if we reordered things a bit...

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Alex Elder <aelder@sgi.com>

diff --cc fs/xfs/linux-2.6/xfs_sync.c
Simple merge

diff --cc fs/xfs/linux-2.6/xfs_sync.h
Simple merge

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

diff --cc fs/xfs/xfs_attr.h
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_dir2_node.c
Simple merge

diff --cc fs/xfs/xfs_dir2_node.h
Simple merge

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

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