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/symlink.c b/fs/udf/symlink.c
index dcf06ef..d55989c 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -81,8 +81,8 @@
 	char *p = kmap(page);
 
 	lock_kernel();
-	if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
-		symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
+	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+		symlink = UDF_I(inode)->i_ext.i_data + UDF_I(inode)->i_lenEAttr;
 	} else {
 		bh = sb_bread(inode->i_sb, udf_block_map(inode, 0));