[XFS] clean up vnode/inode tracing

Simplify vnode tracing calls by embedding function name & return addr in
the calling macro.

Also do a lot of vnode->inode renaming for consistency, while we're at it.

SGI-PV: 970335
SGI-Modid: xfs-linux-melb:xfs-kern:29650a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index b0f1ee8..1e22133 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -301,7 +301,7 @@
 	int		rval;		/* return value */
 	int		v;		/* type-checking value */
 
-	vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address);
+	xfs_itrace_entry(dp);
 
 	if (XFS_FORCED_SHUTDOWN(dp->i_mount))
 		return XFS_ERROR(EIO);