orangefs: make use of ->free_inode()

Acked-by: NMike Marshall <hubcap@omnibond.com>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

fs/orangefs/super.c

@@ -124,11 +124,9 @@ static struct inode *orangefs_alloc_inode(struct super_block *sb)
 	return &orangefs_inode->vfs_inode;
 }
 
-static void orangefs_i_callback(struct rcu_head *head)
+static void orangefs_free_inode(struct inode *inode)
 {
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
-	kmem_cache_free(orangefs_inode_cache, orangefs_inode);
+	kmem_cache_free(orangefs_inode_cache, ORANGEFS_I(inode));
 }
 
 static void orangefs_destroy_inode(struct inode *inode)
@@ -138,8 +136,6 @@ static void orangefs_destroy_inode(struct inode *inode)
 	gossip_debug(GOSSIP_SUPER_DEBUG,
 			"%s: deallocated %p destroying inode %pU\n",
 			__func__, orangefs_inode, get_khandle_from_ino(inode));
-
-	call_rcu(&inode->i_rcu, orangefs_i_callback);
 }
 
 /*
@@ -299,6 +295,7 @@ void fsid_key_table_finalize(void)
 
 static const struct super_operations orangefs_s_ops = {
 	.alloc_inode = orangefs_alloc_inode,
+	.free_inode = orangefs_free_inode,
 	.destroy_inode = orangefs_destroy_inode,
 	.drop_inode = generic_delete_inode,
 	.statfs = orangefs_statfs,