return file;
}
+struct file *task_lookup_fd_rcu(struct task_struct *task, unsigned int fd)
+{
+ /* Must be called with rcu_read_lock held */
+ struct files_struct *files;
+ struct file *file = NULL;
+
+ task_lock(task);
+ files = task->files;
+ if (files)
+ file = files_lookup_fd_rcu(files, fd);
+ task_unlock(task);
+
+ return file;
+}
+
/*
* Lightweight file lookup - no refcnt increment if fd table isn't shared.
*
return files_lookup_fd_rcu(current->files, fd);
}
+struct file *task_lookup_fd_rcu(struct task_struct *task, unsigned int fd);
+
struct task_struct;
struct files_struct *get_files_struct(struct task_struct *);