udf: Convert UDF to new truncate calling sequence

Use new truncation sequence in UDF and fix up error handling in the
code.

Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 89c7848..f391a2a 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -123,8 +123,8 @@
 		if (inode->i_sb->s_blocksize <
 				(udf_file_entry_alloc_offset(inode) +
 						pos + count)) {
-			udf_expand_file_adinicb(inode, pos + count, &err);
-			if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+			err = udf_expand_file_adinicb(inode);
+			if (err) {
 				udf_debug("udf_expand_adinicb: err=%d\n", err);
 				up_write(&iinfo->i_data_sem);
 				return err;
@@ -237,7 +237,7 @@
 
 	if ((attr->ia_valid & ATTR_SIZE) &&
 	    attr->ia_size != i_size_read(inode)) {
-		error = vmtruncate(inode, attr->ia_size);
+		error = udf_setsize(inode, attr->ia_size);
 		if (error)
 			return error;
 	}
@@ -249,5 +249,4 @@
 
 const struct inode_operations udf_file_inode_operations = {
 	.setattr		= udf_setattr,
-	.truncate		= udf_truncate,
 };