get rid of __dget()

fold into the sole remaining caller
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/dcache.c

@@ -948,11 +948,6 @@ static inline void __dget_dlock(struct dentry *dentry)
 	dentry->d_lockref.count++;
 }
 
-static inline void __dget(struct dentry *dentry)
-{
-	lockref_get(&dentry->d_lockref);
-}
-
 struct dentry *dget_parent(struct dentry *dentry)
 {
 	int gotref;
@@ -1002,7 +997,7 @@ static struct dentry * __d_find_any_alias(struct inode *inode)
 	if (hlist_empty(&inode->i_dentry))
 		return NULL;
 	alias = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
-	__dget(alias);
+	lockref_get(&alias->d_lockref);
 	return alias;
 }