1549 ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,  in vfs_copy_file_range()  argument
1565 	ret = rw_verify_area(READ, file_in, &pos_in, len);  in vfs_copy_file_range()
1592 		ret = file_in->f_op->clone_file_range(file_in, pos_in,  in vfs_copy_file_range()
1601 		ret = file_out->f_op->copy_file_range(file_in, pos_in, file_out,  in vfs_copy_file_range()
1607 	ret = do_splice_direct(file_in, &pos_in, file_out, &pos_out,  in vfs_copy_file_range()
1631 	loff_t pos_in;  in SYSCALL_DEFINE6()  local
1647 		if (copy_from_user(&pos_in, off_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1650 		pos_in = f_in.file->f_pos;  in SYSCALL_DEFINE6()
1660 	ret = vfs_copy_file_range(f_in.file, pos_in, f_out.file, pos_out, len,  in SYSCALL_DEFINE6()
1663 		pos_in += ret;  in SYSCALL_DEFINE6()
1667 			if (copy_to_user(off_in, &pos_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1670 			f_in.file->f_pos = pos_in;  in SYSCALL_DEFINE6()
1720 int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,  in vfs_clone_file_prep_inodes()  argument
1750 		if (is_dedupe || pos_in == isize)  in vfs_clone_file_prep_inodes()
1752 		if (pos_in > isize)  in vfs_clone_file_prep_inodes()
1754 		*len = isize - pos_in;  in vfs_clone_file_prep_inodes()
1758 	if (pos_in + *len < pos_in || pos_out + *len < pos_out ||  in vfs_clone_file_prep_inodes()
1759 	    pos_in + *len > isize)  in vfs_clone_file_prep_inodes()
1772 	if (pos_in + *len == isize)  in vfs_clone_file_prep_inodes()
1773 		blen = ALIGN(isize, bs) - pos_in;  in vfs_clone_file_prep_inodes()
1778 	if (!IS_ALIGNED(pos_in, bs) || !IS_ALIGNED(pos_in + blen, bs) ||  in vfs_clone_file_prep_inodes()
1784 		if (pos_out + blen > pos_in && pos_out < pos_in + blen)  in vfs_clone_file_prep_inodes()
1794 			pos_in, pos_in + *len - 1);  in vfs_clone_file_prep_inodes()
1809 		ret = vfs_dedupe_file_range_compare(inode_in, pos_in,  in vfs_clone_file_prep_inodes()
1821 int do_clone_file_range(struct file *file_in, loff_t pos_in,  in do_clone_file_range()  argument
1849 	ret = clone_verify_area(file_in, pos_in, len, false);  in do_clone_file_range()
1857 	if (pos_in + len > i_size_read(inode_in))  in do_clone_file_range()
1860 	ret = file_in->f_op->clone_file_range(file_in, pos_in,  in do_clone_file_range()
1871 int vfs_clone_file_range(struct file *file_in, loff_t pos_in,  in vfs_clone_file_range()  argument
1877 	ret = do_clone_file_range(file_in, pos_in, file_out, pos_out, len);  in vfs_clone_file_range()