25 typedef ssize_t (*io_fn_t)(struct file *, char __user *, size_t, loff_t *);
27 		unsigned long, loff_t);
44 static loff_t lseek_execute(struct file *file, struct inode *inode,  in lseek_execute()
45 		loff_t offset, loff_t maxsize)  in lseek_execute()
75 loff_t
76 generic_file_llseek_size(struct file *file, loff_t offset, int whence,  in generic_file_llseek_size()
77 		loff_t maxsize, loff_t eof)  in generic_file_llseek_size()
137 loff_t generic_file_llseek(struct file *file, loff_t offset, int whence)  in generic_file_llseek()
158 loff_t noop_llseek(struct file *file, loff_t offset, int whence)  in noop_llseek()
164 loff_t no_llseek(struct file *file, loff_t offset, int whence)  in no_llseek()
170 loff_t default_llseek(struct file *file, loff_t offset, int whence)  in default_llseek()
173 	loff_t retval;  in default_llseek()
225 loff_t vfs_llseek(struct file *file, loff_t offset, int whence)  in vfs_llseek()
227 	loff_t (*fn)(struct file *, loff_t, int);  in vfs_llseek()
247 		loff_t res = vfs_llseek(f.file, offset, whence);  in SYSCALL_DEFINE3()
249 		if (res != (loff_t)retval)  in SYSCALL_DEFINE3()
265 		unsigned long, offset_low, loff_t __user *, result,  in SYSCALL_DEFINE5()
270 	loff_t offset;  in SYSCALL_DEFINE5()
279 	offset = vfs_llseek(f.file, ((loff_t) offset_high << 32) | offset_low,  in SYSCALL_DEFINE5()
299 int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count)  in rw_verify_area()
302 	loff_t pos;  in rw_verify_area()
314 	} else if (unlikely((loff_t) (pos + count) < 0)) {  in rw_verify_area()
333 ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)  in do_sync_read()
353 ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)  in vfs_read()
383 ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos)  in do_sync_write()
403 ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t *pos)  in __kernel_write()
430 ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)  in vfs_write()
462 static inline loff_t file_pos_read(struct file *file)  in file_pos_read()
467 static inline void file_pos_write(struct file *file, loff_t pos)  in file_pos_write()
478 		loff_t pos = file_pos_read(f.file);  in SYSCALL_DEFINE3()
493 		loff_t pos = file_pos_read(f.file);  in SYSCALL_DEFINE3()
503 			size_t, count, loff_t, pos)  in SYSCALL_DEFINE4()  argument
523 			 size_t, count, loff_t, pos)  in SYSCALL_DEFINE4()  argument
564 		unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn)  in do_sync_readv_writev()
583 		unsigned long nr_segs, loff_t *ppos, io_fn_t fn)  in do_loop_readv_writev()
693 			       unsigned long nr_segs, loff_t *pos)  in do_readv_writev()
749 		  unsigned long vlen, loff_t *pos)  in vfs_readv()
762 		   unsigned long vlen, loff_t *pos)  in vfs_writev()
781 		loff_t pos = file_pos_read(f.file);  in SYSCALL_DEFINE3()
800 		loff_t pos = file_pos_read(f.file);  in SYSCALL_DEFINE3()
812 static inline loff_t pos_from_hilo(unsigned long high, unsigned long low)  in pos_from_hilo()
815 	return (((loff_t)high << HALF_LONG_BITS) << HALF_LONG_BITS) | low;  in pos_from_hilo()
821 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE5()
845 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE5()
870 			       unsigned long nr_segs, loff_t *pos)  in compat_do_readv_writev()
930 			   unsigned long vlen, loff_t *pos)  in compat_readv()
956 	loff_t pos;  in COMPAT_SYSCALL_DEFINE3()
969 		unsigned long, vlen, loff_t, pos)  in COMPAT_SYSCALL_DEFINE4()  argument
990 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE5()
996 			    unsigned long vlen, loff_t *pos)  in compat_writev()
1022 	loff_t pos;  in COMPAT_SYSCALL_DEFINE3()
1035 		unsigned long, vlen, loff_t, pos)  in COMPAT_SYSCALL_DEFINE4()  argument
1056 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE5()
1061 static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,  in do_sendfile()
1062 		  	   size_t count, loff_t max)  in do_sendfile()
1066 	loff_t pos;  in do_sendfile()
1067 	loff_t out_pos;  in do_sendfile()
1161 	loff_t pos;  in SYSCALL_DEFINE4()
1178 SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)  in SYSCALL_DEFINE4()
1180 	loff_t pos;  in SYSCALL_DEFINE4()
1184 		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))  in SYSCALL_DEFINE4()
1199 	loff_t pos;  in COMPAT_SYSCALL_DEFINE4()
1219 	loff_t pos;  in COMPAT_SYSCALL_DEFINE4()
1223 		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))  in COMPAT_SYSCALL_DEFINE4()