new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index ee0981f..3f5de96 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -52,7 +52,7 @@
 	struct path path;
 	int error;
 	struct PioctlData data;
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct inode *target_inode = NULL;
 	struct coda_inode_info *cnp;