squashfs: switch to ->free_inode()

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

fs/squashfs/super.c

@@ -473,18 +473,11 @@ static struct inode *squashfs_alloc_inode(struct super_block *sb)
 }
 
 
-static void squashfs_i_callback(struct rcu_head *head)
+static void squashfs_free_inode(struct inode *inode)
 {
-	struct inode *inode = container_of(head, struct inode, i_rcu);
 	kmem_cache_free(squashfs_inode_cachep, squashfs_i(inode));
 }
 
-static void squashfs_destroy_inode(struct inode *inode)
-{
-	call_rcu(&inode->i_rcu, squashfs_i_callback);
-}
-
-
 static struct file_system_type squashfs_fs_type = {
 	.owner = THIS_MODULE,
 	.name = "squashfs",
@@ -496,7 +489,7 @@ MODULE_ALIAS_FS("squashfs");
 
 static const struct super_operations squashfs_super_ops = {
 	.alloc_inode = squashfs_alloc_inode,
-	.destroy_inode = squashfs_destroy_inode,
+	.free_inode = squashfs_free_inode,
 	.statfs = squashfs_statfs,
 	.put_super = squashfs_put_super,
 	.remount_fs = squashfs_remount