306 __generic_file_splice_read(struct file *in, loff_t *ppos,  in __generic_file_splice_read()
316 	loff_t isize;  in __generic_file_splice_read()
499 	in->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT;  in __generic_file_splice_read()
522 ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,  in generic_file_splice_read()
526 	loff_t isize, left;  in generic_file_splice_read()
575 			    unsigned long vlen, loff_t offset)  in kernel_readv()
578 	loff_t pos = offset;  in kernel_readv()
591 			    loff_t pos)  in kernel_write()
606 ssize_t default_file_splice_read(struct file *in, loff_t *ppos,  in default_file_splice_read()
711 	loff_t pos = sd->pos;  in pipe_to_sendpage()
914 			 loff_t *ppos, size_t len, unsigned int flags,  in splice_from_pipe()
948 			  loff_t *ppos, size_t len, unsigned int flags)  in iter_file_splice_write()
1061 	loff_t tmp = sd->pos;  in write_pipe_buf()
1071 					 struct file *out, loff_t *ppos,  in default_file_splice_write()
1097 				loff_t *ppos, size_t len, unsigned int flags)  in generic_splice_sendpage()
1108 			   loff_t *ppos, size_t len, unsigned int flags)  in do_splice_from()
1111 				loff_t *, size_t, unsigned int);  in do_splice_from()
1124 static long do_splice_to(struct file *in, loff_t *ppos,  in do_splice_to()
1128 	ssize_t (*splice_read)(struct file *, loff_t *,  in do_splice_to()
1214 		loff_t pos = sd->pos, prev_pos = pos;  in splice_direct_to_actor()
1304 long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,  in do_splice_direct()
1305 		      loff_t *opos, size_t len, unsigned int flags)  in do_splice_direct()
1342 static long do_splice(struct file *in, loff_t __user *off_in,  in do_splice()
1343 		      struct file *out, loff_t __user *off_out,  in do_splice()
1348 	loff_t offset;  in do_splice()
1377 			if (copy_from_user(&offset, off_out, sizeof(loff_t)))  in do_splice()
1399 		else if (copy_to_user(off_out, &offset, sizeof(loff_t)))  in do_splice()
1411 			if (copy_from_user(&offset, off_in, sizeof(loff_t)))  in do_splice()
1421 		else if (copy_to_user(off_in, &offset, sizeof(loff_t)))  in do_splice()
1680 SYSCALL_DEFINE6(splice, int, fd_in, loff_t __user *, off_in,  in SYSCALL_DEFINE6()
1681 		int, fd_out, loff_t __user *, off_out,  in SYSCALL_DEFINE6()