It can never trigger since before calling alloc_delalloc_work we have
called igrab in start_delalloc_inodes.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
        init_completion(&work->completion);
        INIT_LIST_HEAD(&work->list);
        work->inode = inode;
-       WARN_ON_ONCE(!inode);
        btrfs_init_work(&work->work, btrfs_flush_delalloc_helper,
                        btrfs_run_delalloc_work, NULL, NULL);