1589 ssize_t generic_copy_file_range(struct file *file_in, loff_t pos_in,  in generic_copy_file_range()  argument
1593 	return do_splice_direct(file_in, &pos_in, file_out, &pos_out,  in generic_copy_file_range()
1598 static ssize_t do_copy_file_range(struct file *file_in, loff_t pos_in,  in do_copy_file_range()  argument
1612 		return file_out->f_op->copy_file_range(file_in, pos_in,  in do_copy_file_range()
1616 	return generic_copy_file_range(file_in, pos_in, file_out, pos_out, len,  in do_copy_file_range()
1625 ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,  in vfs_copy_file_range()  argument
1634 	ret = generic_copy_file_checks(file_in, pos_in, file_out, pos_out, &len,  in vfs_copy_file_range()
1639 	ret = rw_verify_area(READ, file_in, &pos_in, len);  in vfs_copy_file_range()
1660 		cloned = file_in->f_op->remap_file_range(file_in, pos_in,  in vfs_copy_file_range()
1670 	ret = do_copy_file_range(file_in, pos_in, file_out, pos_out, len,  in vfs_copy_file_range()
1694 	loff_t pos_in;  in SYSCALL_DEFINE6()  local
1710 		if (copy_from_user(&pos_in, off_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1713 		pos_in = f_in.file->f_pos;  in SYSCALL_DEFINE6()
1723 	ret = vfs_copy_file_range(f_in.file, pos_in, f_out.file, pos_out, len,  in SYSCALL_DEFINE6()
1726 		pos_in += ret;  in SYSCALL_DEFINE6()
1730 			if (copy_to_user(off_in, &pos_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1733 			f_in.file->f_pos = pos_in;  in SYSCALL_DEFINE6()
1946 int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,  in generic_remap_file_range_prep()  argument
1972 		if ((remap_flags & REMAP_FILE_DEDUP) || pos_in == isize)  in generic_remap_file_range_prep()
1974 		if (pos_in > isize)  in generic_remap_file_range_prep()
1976 		*len = isize - pos_in;  in generic_remap_file_range_prep()
1982 	ret = generic_remap_checks(file_in, pos_in, file_out, pos_out, len,  in generic_remap_file_range_prep()
1993 			pos_in, pos_in + *len - 1);  in generic_remap_file_range_prep()
2008 		ret = vfs_dedupe_file_range_compare(inode_in, pos_in,  in generic_remap_file_range_prep()
2029 loff_t do_clone_file_range(struct file *file_in, loff_t pos_in,  in do_clone_file_range()  argument
2052 	ret = remap_verify_area(file_in, pos_in, len, false);  in do_clone_file_range()
2060 	ret = file_in->f_op->remap_file_range(file_in, pos_in,  in do_clone_file_range()
2071 loff_t vfs_clone_file_range(struct file *file_in, loff_t pos_in,  in vfs_clone_file_range()  argument
2078 	ret = do_clone_file_range(file_in, pos_in, file_out, pos_out, len,  in vfs_clone_file_range()