xfs: sync minor header differences needed by userspace.

Little things like exported functions, __KERNEL__ protections, and
so on that ensure user and kernel shared headers are identical.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

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

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

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

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

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

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

diff --cc fs/xfs/xfs_dir2_format.h
Simple merge

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

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

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

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

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

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