260 	struct file	*ia_file;
323 	struct file		*ki_filp;
335 static inline int iocb_flags(struct file *file);
337 static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp)  in init_sync_kiocb()
369 	int (*readpage)(struct file *, struct page *);
377 	int (*readpages)(struct file *filp, struct address_space *mapping,
380 	int (*write_begin)(struct file *, struct address_space *mapping,
383 	int (*write_end)(struct file *, struct address_space *mapping,
406 	int (*swap_activate)(struct swap_info_struct *sis, struct file *file,
408 	void (*swap_deactivate)(struct file *file);
417 int pagecache_write_begin(struct file *, struct address_space *mapping,
421 int pagecache_write_end(struct file *, struct address_space *mapping,
829 struct file {  struct
874 static inline struct file *get_file(struct file *f)  in get_file()
975 	struct file *fl_file;
1015 extern int fcntl_getlk(struct file *, unsigned int, struct flock __user *);
1016 extern int fcntl_setlk(unsigned int, struct file *, unsigned int,
1020 extern int fcntl_getlk64(struct file *, unsigned int, struct flock64 __user *);
1021 extern int fcntl_setlk64(unsigned int, struct file *, unsigned int,
1025 extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg);
1026 extern int fcntl_getlease(struct file *filp);
1035 extern void locks_remove_posix(struct file *, fl_owner_t);
1036 extern void locks_remove_file(struct file *);
1038 extern void posix_test_lock(struct file *, struct file_lock *);
1039 extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *);
1042 extern int vfs_test_lock(struct file *, struct file_lock *);
1043 extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *);
1044 extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
1048 extern int generic_setlease(struct file *, long, struct file_lock **, void **priv);
1049 extern int vfs_setlease(struct file *, long, struct file_lock **, void **);
1053 			 struct file *filp, struct files_struct *files);
1055 static inline int fcntl_getlk(struct file *file, unsigned int cmd,  in fcntl_getlk()  argument
1061 static inline int fcntl_setlk(unsigned int fd, struct file *file,  in fcntl_setlk()  argument
1068 static inline int fcntl_getlk64(struct file *file, unsigned int cmd,  in fcntl_getlk64()  argument
1074 static inline int fcntl_setlk64(unsigned int fd, struct file *file,  in fcntl_setlk64()  argument
1080 static inline int fcntl_setlease(unsigned int fd, struct file *filp, long arg)  in fcntl_setlease()
1085 static inline int fcntl_getlease(struct file *filp)  in fcntl_getlease()
1110 static inline void locks_remove_posix(struct file *filp, fl_owner_t owner)  in locks_remove_posix()
1115 static inline void locks_remove_file(struct file *filp)  in locks_remove_file()
1120 static inline void posix_test_lock(struct file *filp, struct file_lock *fl)  in posix_test_lock()
1125 static inline int posix_lock_file(struct file *filp, struct file_lock *fl,  in posix_lock_file()
1142 static inline int vfs_test_lock(struct file *filp, struct file_lock *fl)  in vfs_test_lock()
1147 static inline int vfs_lock_file(struct file *filp, unsigned int cmd,  in vfs_lock_file()
1153 static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl)  in vfs_cancel_lock()
1174 static inline int generic_setlease(struct file *filp, long arg,  in generic_setlease()
1180 static inline int vfs_setlease(struct file *filp, long arg,  in vfs_setlease()
1194 			struct file *filp, struct files_struct *files) {}  in show_fd_locks()
1197 static inline struct inode *file_inode(const struct file *f)  in file_inode()
1202 static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl)  in posix_lock_file_wait()
1207 static inline int flock_lock_file_wait(struct file *filp, struct file_lock *fl)  in flock_lock_file_wait()
1217 	struct file		*fa_file;
1224 extern int fasync_helper(int, struct file *, int, struct fasync_struct **);
1225 extern struct fasync_struct *fasync_insert_entry(int, struct file *, struct fasync_struct **, struc…
1226 extern int fasync_remove_entry(struct file *, struct fasync_struct **);
1233 extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int force);
1234 extern void f_setown(struct file *filp, unsigned long arg, int force);
1235 extern void f_delown(struct file *filp);
1236 extern pid_t f_getown(struct file *filp);
1591 	loff_t (*llseek) (struct file *, loff_t, int);
1592 	ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
1593 	ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
1596 	int (*iterate) (struct file *, struct dir_context *);
1597 	unsigned int (*poll) (struct file *, struct poll_table_struct *);
1598 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
1599 	long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
1600 	int (*mmap) (struct file *, struct vm_area_struct *);
1601 	int (*mremap)(struct file *, struct vm_area_struct *);
1602 	int (*open) (struct inode *, struct file *);
1603 	int (*flush) (struct file *, fl_owner_t id);
1604 	int (*release) (struct inode *, struct file *);
1605 	int (*fsync) (struct file *, loff_t, loff_t, int datasync);
1607 	int (*fasync) (int, struct file *, int);
1608 	int (*lock) (struct file *, int, struct file_lock *);
1609 	ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
1610 …unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, uns…
1612 	int (*flock) (struct file *, int, struct file_lock *);
1613 	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
1614 	ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
1615 	int (*setlease)(struct file *, long, struct file_lock **, void **);
1616 	long (*fallocate)(struct file *file, int mode, loff_t offset,
1618 	void (*show_fdinfo)(struct seq_file *m, struct file *f);
1620 	unsigned (*mmap_capabilities)(struct file *);
1654 			   struct file *, unsigned open_flag,
1667 extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
1668 extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *);
1669 extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
1670 extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
1671 extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
1673 extern ssize_t vfs_writev(struct file *, const struct iovec __user *,
1898 static inline void file_accessed(struct file *file)  in file_accessed()  argument
1900 	if (!(file->f_flags & O_NOATIME))  in file_accessed()
1901 		touch_atime(&file->f_path);  in file_accessed()
1978 		struct file *__file = (f); \
2019 extern int locks_mandatory_locked(struct file *);
2020 extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
2042 static inline int locks_verify_locked(struct file *file)  in locks_verify_locked()  argument
2044 	if (mandatory_lock(file_inode(file)))  in locks_verify_locked()
2045 		return locks_mandatory_locked(file);  in locks_verify_locked()
2050 				    struct file *filp,  in locks_verify_truncate()
2124 static inline int locks_mandatory_locked(struct file *file)  in locks_mandatory_locked()  argument
2130 				       struct file *filp, loff_t offset,  in locks_mandatory_area()
2146 static inline int locks_verify_locked(struct file *file)  in locks_verify_locked()  argument
2151 static inline int locks_verify_truncate(struct inode *inode, struct file *filp,  in locks_verify_truncate()
2197 		       struct file *filp);
2198 extern int vfs_fallocate(struct file *file, int mode, loff_t offset,
2202 extern struct file *file_open_name(struct filename *, int, umode_t);
2203 extern struct file *filp_open(const char *, int, umode_t);
2204 extern struct file *file_open_root(struct dentry *, struct vfsmount *,
2206 extern struct file * dentry_open(const struct path *, int, const struct cred *);
2207 extern int filp_close(struct file *, fl_owner_t id);
2218 extern int finish_open(struct file *file, struct dentry *dentry,
2219 			int (*open)(struct inode *, struct file *),
2221 extern int finish_no_open(struct file *file, struct dentry *dentry);
2225 extern int ioctl_preallocate(struct file *filp, void __user *argp);
2284 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
2396 extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
2398 extern int vfs_fsync(struct file *file, int datasync);
2399 static inline int generic_write_sync(struct file *file, loff_t pos, loff_t count)  in generic_write_sync()  argument
2401 	if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host))  in generic_write_sync()
2403 	return vfs_fsync_range(file, pos, pos + count - 1,  in generic_write_sync()
2404 			       (file->f_flags & __O_SYNC) ? 0 : 1);  in generic_write_sync()
2422 static inline void file_start_write(struct file *file)  in file_start_write()  argument
2424 	if (!S_ISREG(file_inode(file)->i_mode))  in file_start_write()
2426 	__sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, true);  in file_start_write()
2429 static inline bool file_start_write_trylock(struct file *file)  in file_start_write_trylock()  argument
2431 	if (!S_ISREG(file_inode(file)->i_mode))  in file_start_write_trylock()
2433 	return __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, false);  in file_start_write_trylock()
2436 static inline void file_end_write(struct file *file)  in file_end_write()  argument
2438 	if (!S_ISREG(file_inode(file)->i_mode))  in file_end_write()
2440 	__sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE);  in file_end_write()
2463 static inline int deny_write_access(struct file *file)  in deny_write_access()  argument
2465 	struct inode *inode = file_inode(file);  in deny_write_access()
2472 static inline void allow_write_access(struct file *file)  in allow_write_access()  argument
2474 	if (file)  in allow_write_access()
2475 		atomic_inc(&file_inode(file)->i_writecount);  in allow_write_access()
2504 extern int kernel_read(struct file *, loff_t, char *, unsigned long);
2505 extern ssize_t kernel_write(struct file *, const char *, size_t, loff_t);
2506 extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *);
2507 extern struct file * open_exec(const char *);
2516 extern loff_t default_llseek(struct file *file, loff_t offset, int whence);
2518 extern loff_t vfs_llseek(struct file *file, loff_t offset, int whence);
2564 extern int file_remove_suid(struct file *);
2589 extern int generic_file_mmap(struct file *, struct vm_area_struct *);
2590 extern int generic_file_readonly_mmap(struct file *, struct vm_area_struct *);
2596 extern ssize_t generic_perform_write(struct file *, struct iov_iter *, loff_t);
2598 ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos);
2599 ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos);
2604 extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end,
2609 extern ssize_t generic_file_splice_read(struct file *, loff_t *,
2611 extern ssize_t default_file_splice_read(struct file *, loff_t *,
2614 		struct file *, loff_t *, size_t, unsigned int);
2616 		struct file *out, loff_t *, size_t len, unsigned int flags);
2617 extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
2623 extern loff_t noop_llseek(struct file *file, loff_t offset, int whence);
2624 extern loff_t no_llseek(struct file *file, loff_t offset, int whence);
2625 extern loff_t vfs_setpos(struct file *file, loff_t offset, loff_t maxsize);
2626 extern loff_t generic_file_llseek(struct file *file, loff_t offset, int whence);
2627 extern loff_t generic_file_llseek_size(struct file *file, loff_t offset,
2629 extern loff_t fixed_size_llseek(struct file *file, loff_t offset,
2631 extern int generic_file_open(struct inode * inode, struct file * filp);
2632 extern int nonseekable_open(struct inode * inode, struct file * filp);
2735 extern int iterate_dir(struct file *, struct dir_context *);
2742 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
2763 extern int dcache_dir_open(struct inode *, struct file *);
2764 extern int dcache_dir_close(struct inode *, struct file *);
2765 extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
2766 extern int dcache_readdir(struct file *, struct dir_context *);
2770 extern int simple_open(struct inode *inode, struct file *file);
2775 extern int noop_fsync(struct file *, loff_t, loff_t, int);
2777 extern int simple_readpage(struct file *file, struct page *page);
2778 extern int simple_write_begin(struct file *file, struct address_space *mapping,
2781 extern int simple_write_end(struct file *file, struct address_space *mapping,
2786 extern int simple_nosetlease(struct file *, long, struct file_lock **, void **);
2790 extern ssize_t generic_read_dir(struct file *, char __user *, size_t, loff_t *);
2806 extern int __generic_file_fsync(struct file *, loff_t, loff_t, int);
2807 extern int generic_file_fsync(struct file *, loff_t, loff_t, int);
2823 extern int file_update_time(struct file *file);
2829 static inline bool io_is_direct(struct file *filp)  in io_is_direct()
2834 static inline int iocb_flags(struct file *file)  in iocb_flags()  argument
2837 	if (file->f_flags & O_APPEND)  in iocb_flags()
2839 	if (io_is_direct(file))  in iocb_flags()
2871 char *simple_transaction_get(struct file *file, const char __user *buf,
2873 ssize_t simple_transaction_read(struct file *file, char __user *buf,
2875 int simple_transaction_release(struct inode *inode, struct file *file);
2877 void simple_transaction_set(struct file *file, size_t n);
2896 static int __fops ## _open(struct inode *inode, struct file *file)	\
2899 	return simple_attr_open(inode, file, __get, __set, __fmt);	\
2916 int simple_attr_open(struct inode *inode, struct file *file,
2919 int simple_attr_release(struct inode *inode, struct file *file);
2920 ssize_t simple_attr_read(struct file *file, char __user *buf,
2922 ssize_t simple_attr_write(struct file *file, const char __user *buf,
2971 static inline bool dir_emit_dot(struct file *file, struct dir_context *ctx)  in dir_emit_dot()  argument
2974 			  file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0;  in dir_emit_dot()
2976 static inline bool dir_emit_dotdot(struct file *file, struct dir_context *ctx)  in dir_emit_dotdot()  argument
2979 			  parent_ino(file->f_path.dentry), DT_DIR) == 0;  in dir_emit_dotdot()
2981 static inline bool dir_emit_dots(struct file *file, struct dir_context *ctx)  in dir_emit_dots()  argument
2984 		if (!dir_emit_dot(file, ctx))  in dir_emit_dots()
2989 		if (!dir_emit_dotdot(file, ctx))  in dir_emit_dots()