1388 				struct file *file_out, loff_t pos_out,  in generic_copy_file_range()  argument
1391 	lockdep_assert(sb_write_started(file_inode(file_out)->i_sb));  in generic_copy_file_range()
1393 	return do_splice_direct(file_in, &pos_in, file_out, &pos_out,  in generic_copy_file_range()
1406 				    struct file *file_out, loff_t pos_out,  in generic_copy_file_checks()  argument
1410 	struct inode *inode_out = file_inode(file_out);  in generic_copy_file_checks()
1415 	ret = generic_file_rw_checks(file_in, file_out);  in generic_copy_file_checks()
1431 	} else if (file_out->f_op->copy_file_range) {  in generic_copy_file_checks()
1433 		    file_out->f_op->copy_file_range)  in generic_copy_file_checks()
1435 	} else if (file_inode(file_in)->i_sb != file_inode(file_out)->i_sb) {  in generic_copy_file_checks()
1457 	ret = generic_write_check_limits(file_out, pos_out, &count);  in generic_copy_file_checks()
1477 			    struct file *file_out, loff_t pos_out,  in vfs_copy_file_range()  argument
1486 	ret = generic_copy_file_checks(file_in, pos_in, file_out, pos_out, &len,  in vfs_copy_file_range()
1495 	ret = rw_verify_area(WRITE, file_out, &pos_out, len);  in vfs_copy_file_range()
1502 	file_start_write(file_out);  in vfs_copy_file_range()
1509 	if (!splice && file_out->f_op->copy_file_range) {  in vfs_copy_file_range()
1510 		ret = file_out->f_op->copy_file_range(file_in, pos_in,  in vfs_copy_file_range()
1511 						      file_out, pos_out,  in vfs_copy_file_range()
1517 	    file_inode(file_in)->i_sb == file_inode(file_out)->i_sb) {  in vfs_copy_file_range()
1519 				file_out, pos_out,  in vfs_copy_file_range()
1539 	ret = generic_copy_file_range(file_in, pos_in, file_out, pos_out, len,  in vfs_copy_file_range()
1546 		fsnotify_modify(file_out);  in vfs_copy_file_range()
1553 	file_end_write(file_out);  in vfs_copy_file_range()
1704 int generic_file_rw_checks(struct file *file_in, struct file *file_out)  in generic_file_rw_checks()  argument
1707 	struct inode *inode_out = file_inode(file_out);  in generic_file_rw_checks()
1716 	    !(file_out->f_mode & FMODE_WRITE) ||  in generic_file_rw_checks()
1717 	    (file_out->f_flags & O_APPEND))  in generic_file_rw_checks()