1550 			    struct file *file_out, loff_t pos_out,  in vfs_copy_file_range()  argument
1554 	struct inode *inode_out = file_inode(file_out);  in vfs_copy_file_range()
1569 	ret = rw_verify_area(WRITE, file_out, &pos_out, len);  in vfs_copy_file_range()
1574 	    !(file_out->f_mode & FMODE_WRITE) ||  in vfs_copy_file_range()
1575 	    (file_out->f_flags & O_APPEND))  in vfs_copy_file_range()
1585 	file_start_write(file_out);  in vfs_copy_file_range()
1593 				file_out, pos_out, len);  in vfs_copy_file_range()
1600 	if (file_out->f_op->copy_file_range) {  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()
1614 		fsnotify_modify(file_out);  in vfs_copy_file_range()
1621 	file_end_write(file_out);  in vfs_copy_file_range()
1822 			struct file *file_out, loff_t pos_out, u64 len)  in do_clone_file_range()  argument
1825 	struct inode *inode_out = file_inode(file_out);  in do_clone_file_range()
1842 	    !(file_out->f_mode & FMODE_WRITE) ||  in do_clone_file_range()
1843 	    (file_out->f_flags & O_APPEND))  in do_clone_file_range()
1853 	ret = clone_verify_area(file_out, pos_out, len, true);  in do_clone_file_range()
1861 			file_out, pos_out, len);  in do_clone_file_range()
1864 		fsnotify_modify(file_out);  in do_clone_file_range()
1872 			 struct file *file_out, loff_t pos_out, u64 len)  in vfs_clone_file_range()  argument
1876 	file_start_write(file_out);  in vfs_clone_file_range()
1877 	ret = do_clone_file_range(file_in, pos_in, file_out, pos_out, len);  in vfs_clone_file_range()
1878 	file_end_write(file_out);  in vfs_clone_file_range()