2 * Wrapper functions for accessing the file_struct fd array.
8 #include <linux/compiler.h>
9 #include <linux/types.h>
10 #include <linux/posix_types.h>
14 extern void fput(struct file *);
16 struct file_operations;
20 extern struct file *alloc_file(struct path *, fmode_t mode,
21 const struct file_operations *fop);
23 static inline void fput_light(struct file *file, int fput_needed)
34 static inline void fdput(struct fd fd)
40 extern struct file *fget(unsigned int fd);
41 extern struct file *fget_light(unsigned int fd, int *fput_needed);
43 static inline struct fd fdget(unsigned int fd)
46 struct file *f = fget_light(fd, &b);
47 return (struct fd){f,b};
50 extern struct file *fget_raw(unsigned int fd);
51 extern struct file *fget_raw_light(unsigned int fd, int *fput_needed);
53 static inline struct fd fdget_raw(unsigned int fd)
56 struct file *f = fget_raw_light(fd, &b);
57 return (struct fd){f,b};
60 extern int f_dupfd(unsigned int from, struct file *file, unsigned flags);
61 extern int replace_fd(unsigned fd, struct file *file, unsigned flags);
62 extern void set_close_on_exec(unsigned int fd, int flag);
63 extern bool get_close_on_exec(unsigned int fd);
64 extern void put_filp(struct file *);
65 extern int get_unused_fd_flags(unsigned flags);
66 #define get_unused_fd() get_unused_fd_flags(0)
67 extern void put_unused_fd(unsigned int fd);
69 extern void fd_install(unsigned int fd, struct file *file);
71 extern void flush_delayed_fput(void);
72 extern void __fput_sync(struct file *);
74 #endif /* __LINUX_FILE_H */