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 #define FDPUT_POS_UNLOCK 2
36 static inline void fdput(struct fd fd)
38 if (fd.flags & FDPUT_FPUT)
42 extern struct file *fget(unsigned int fd);
43 extern struct file *fget_light(unsigned int fd, int *fput_needed);
45 static inline struct fd fdget(unsigned int fd)
48 struct file *f = fget_light(fd, &b);
49 return (struct fd){f,b};
52 extern struct file *fget_raw(unsigned int fd);
53 extern struct file *fget_raw_light(unsigned int fd, int *fput_needed);
55 static inline struct fd fdget_raw(unsigned int fd)
58 struct file *f = fget_raw_light(fd, &b);
59 return (struct fd){f,b};
62 extern int f_dupfd(unsigned int from, struct file *file, unsigned flags);
63 extern int replace_fd(unsigned fd, struct file *file, unsigned flags);
64 extern void set_close_on_exec(unsigned int fd, int flag);
65 extern bool get_close_on_exec(unsigned int fd);
66 extern void put_filp(struct file *);
67 extern int get_unused_fd_flags(unsigned flags);
68 #define get_unused_fd() get_unused_fd_flags(0)
69 extern void put_unused_fd(unsigned int fd);
71 extern void fd_install(unsigned int fd, struct file *file);
73 extern void flush_delayed_fput(void);
74 extern void __fput_sync(struct file *);
76 #endif /* __LINUX_FILE_H */