xfs: clean up typedef usage in the EFI/EFD handling code

Replace structure typedefs with struct xfs_foo_* in the EFI/EFD
handling code in preparation to move it over to deferred ops.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 9b2b9fa..abf9aa3 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -210,12 +210,12 @@
 void		xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
 void		xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
 void		xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
-struct xfs_efi_log_item	*xfs_trans_get_efi(xfs_trans_t *, uint);
-void		xfs_trans_log_efi_extent(xfs_trans_t *,
+struct xfs_efi_log_item	*xfs_trans_get_efi(struct xfs_trans *, uint);
+void		xfs_trans_log_efi_extent(struct xfs_trans *,
 					 struct xfs_efi_log_item *,
 					 xfs_fsblock_t,
 					 xfs_extlen_t);
-struct xfs_efd_log_item	*xfs_trans_get_efd(xfs_trans_t *,
+struct xfs_efd_log_item	*xfs_trans_get_efd(struct xfs_trans *,
 				  struct xfs_efi_log_item *,
 				  uint);
 int		xfs_trans_free_extent(struct xfs_trans *,