29 	struct file __rcu **fd;      /* current fd array */  member
36 static inline bool close_on_exec(unsigned int fd, const struct fdtable *fdt)  in close_on_exec()  argument
38 	return test_bit(fd, fdt->close_on_exec);  in close_on_exec()
41 static inline bool fd_is_open(unsigned int fd, const struct fdtable *fdt)  in fd_is_open()  argument
43 	return test_bit(fd, fdt->open_fds);  in fd_is_open()
83 static inline struct file *files_lookup_fd_raw(struct files_struct *files, unsigned int fd)  in files_lookup_fd_raw()  argument
87 	if (fd < fdt->max_fds) {  in files_lookup_fd_raw()
88 		fd = array_index_nospec(fd, fdt->max_fds);  in files_lookup_fd_raw()
89 		return rcu_dereference_raw(fdt->fd[fd]);  in files_lookup_fd_raw()
94 static inline struct file *files_lookup_fd_locked(struct files_struct *files, unsigned int fd)  in files_lookup_fd_locked()  argument
98 	return files_lookup_fd_raw(files, fd);  in files_lookup_fd_locked()
101 static inline struct file *files_lookup_fd_rcu(struct files_struct *files, unsigned int fd)  in files_lookup_fd_rcu()  argument
105 	return files_lookup_fd_raw(files, fd);  in files_lookup_fd_rcu()
108 static inline struct file *lookup_fd_rcu(unsigned int fd)  in lookup_fd_rcu()  argument
110 	return files_lookup_fd_rcu(current->files, fd);  in lookup_fd_rcu()
113 struct file *task_lookup_fd_rcu(struct task_struct *task, unsigned int fd);
114 struct file *task_lookup_next_fd_rcu(struct task_struct *task, unsigned int *fd);
126 extern int close_fd(unsigned int fd);
127 extern int __close_range(unsigned int fd, unsigned int max_fd, unsigned int flags);
128 extern int close_fd_get_file(unsigned int fd, struct file **res);