diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 359965c..2fc8868 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -71,7 +71,7 @@
 		size = count;
 
 	kaddr = kmap(page);
-	memcpy(desc->arg.buf, kaddr + offset, size);
+	memcpy(desc->arg.data, kaddr + offset, size);
 	kunmap(page);
 
 	desc->count = count - size;
@@ -86,7 +86,7 @@
 	struct inode *inode = &ip->i_inode;
 	read_descriptor_t desc;
 	desc.written = 0;
-	desc.arg.buf = buf;
+	desc.arg.data = buf;
 	desc.count = size;
 	desc.error = 0;
 	do_generic_mapping_read(inode->i_mapping, ra_state,