1387 				struct file *file_out, loff_t pos_out,  in generic_copy_file_range()  argument
1390 	lockdep_assert(sb_write_started(file_inode(file_out)->i_sb));  in generic_copy_file_range()
1392 	return do_splice_direct(file_in, &pos_in, file_out, &pos_out,  in generic_copy_file_range()
1405 				    struct file *file_out, loff_t pos_out,  in generic_copy_file_checks()  argument
1409 	struct inode *inode_out = file_inode(file_out);  in generic_copy_file_checks()
1414 	ret = generic_file_rw_checks(file_in, file_out);  in generic_copy_file_checks()
1430 	} else if (file_out->f_op->copy_file_range) {  in generic_copy_file_checks()
1432 		    file_out->f_op->copy_file_range)  in generic_copy_file_checks()
1434 	} else if (file_inode(file_in)->i_sb != file_inode(file_out)->i_sb) {  in generic_copy_file_checks()
1456 	ret = generic_write_check_limits(file_out, pos_out, &count);  in generic_copy_file_checks()
1476 			    struct file *file_out, loff_t pos_out,  in vfs_copy_file_range()  argument
1485 	ret = generic_copy_file_checks(file_in, pos_in, file_out, pos_out, &len,  in vfs_copy_file_range()
1494 	ret = rw_verify_area(WRITE, file_out, &pos_out, len);  in vfs_copy_file_range()
1501 	file_start_write(file_out);  in vfs_copy_file_range()
1508 	if (!splice && file_out->f_op->copy_file_range) {  in vfs_copy_file_range()
1509 		ret = file_out->f_op->copy_file_range(file_in, pos_in,  in vfs_copy_file_range()
1510 						      file_out, pos_out,  in vfs_copy_file_range()
1516 	    file_inode(file_in)->i_sb == file_inode(file_out)->i_sb) {  in vfs_copy_file_range()
1518 				file_out, pos_out,  in vfs_copy_file_range()
1538 	ret = generic_copy_file_range(file_in, pos_in, file_out, pos_out, len,  in vfs_copy_file_range()
1545 		fsnotify_modify(file_out);  in vfs_copy_file_range()
1552 	file_end_write(file_out);  in vfs_copy_file_range()
1703 int generic_file_rw_checks(struct file *file_in, struct file *file_out)  in generic_file_rw_checks()  argument
1706 	struct inode *inode_out = file_inode(file_out);  in generic_file_rw_checks()
1715 	    !(file_out->f_mode & FMODE_WRITE) ||  in generic_file_rw_checks()
1716 	    (file_out->f_flags & O_APPEND))  in generic_file_rw_checks()