Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Wrapper functions for accessing the file_struct fd array. | |
3 | */ | |
4 | ||
5 | #ifndef __LINUX_FILE_H | |
6 | #define __LINUX_FILE_H | |
7 | ||
1da177e4 | 8 | #include <linux/compiler.h> |
0c9e63fd | 9 | #include <linux/types.h> |
9f3acc31 | 10 | #include <linux/posix_types.h> |
1da177e4 | 11 | |
9f3acc31 | 12 | struct file; |
8b7d91eb | 13 | |
b3c97528 HH |
14 | extern void __fput(struct file *); |
15 | extern void fput(struct file *); | |
aceaf78d | 16 | extern void drop_file_write_access(struct file *file); |
1da177e4 | 17 | |
ce8d2cdf DH |
18 | struct file_operations; |
19 | struct vfsmount; | |
20 | struct dentry; | |
21 | extern int init_file(struct file *, struct vfsmount *mnt, | |
aeb5d727 | 22 | struct dentry *dentry, fmode_t mode, |
ce8d2cdf DH |
23 | const struct file_operations *fop); |
24 | extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry, | |
aeb5d727 | 25 | fmode_t mode, const struct file_operations *fop); |
ce8d2cdf | 26 | |
1da177e4 LT |
27 | static inline void fput_light(struct file *file, int fput_needed) |
28 | { | |
29 | if (unlikely(fput_needed)) | |
30 | fput(file); | |
31 | } | |
32 | ||
b3c97528 HH |
33 | extern struct file *fget(unsigned int fd); |
34 | extern struct file *fget_light(unsigned int fd, int *fput_needed); | |
35 | extern void set_close_on_exec(unsigned int fd, int flag); | |
1da177e4 | 36 | extern void put_filp(struct file *); |
1027abe8 | 37 | extern int alloc_fd(unsigned start, unsigned flags); |
1da177e4 | 38 | extern int get_unused_fd(void); |
1027abe8 | 39 | #define get_unused_fd_flags(flags) alloc_fd(0, (flags)) |
b3c97528 | 40 | extern void put_unused_fd(unsigned int fd); |
1da177e4 | 41 | |
b3c97528 | 42 | extern void fd_install(unsigned int fd, struct file *file); |
1da177e4 | 43 | |
1da177e4 | 44 | #endif /* __LINUX_FILE_H */ |