romfs: convert to ->free_inode()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/romfs/super.c

@@ -381,18 +381,11 @@ static struct inode *romfs_alloc_inode(struct super_block *sb)
 /*
  * return a spent inode to the slab cache
  */
-static void romfs_i_callback(struct rcu_head *head)
+static void romfs_free_inode(struct inode *inode)
 {
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-
 	kmem_cache_free(romfs_inode_cachep, ROMFS_I(inode));
 }
 
-static void romfs_destroy_inode(struct inode *inode)
-{
-	call_rcu(&inode->i_rcu, romfs_i_callback);
-}
-
 /*
  * get filesystem statistics
  */
@@ -439,7 +432,7 @@ static int romfs_remount(struct super_block *sb, int *flags, char *data)
 
 static const struct super_operations romfs_super_ops = {
 	.alloc_inode	= romfs_alloc_inode,
-	.destroy_inode	= romfs_destroy_inode,
+	.free_inode	= romfs_free_inode,
 	.statfs		= romfs_statfs,
 	.remount_fs	= romfs_remount,
 };