udf: remove UDF_I_* macros and open code them

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/udf/super.c b/fs/udf/super.c
index b102958..52d2c32 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2046,7 +2046,7 @@
 
 	lock_kernel();
 
-	epos.block = UDF_I_LOCATION(table);
+	epos.block = UDF_I(table)->i_location;
 	epos.offset = sizeof(struct unallocSpaceEntry);
 	epos.bh = NULL;