the-tree/fs/no-block.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /* no-block.c: implementation of routines required for non-BLOCK configuration
0003  *
0004  * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
0005  * Written by David Howells (dhowells@redhat.com)
0006  */
0007
0008 #include <linux/kernel.h>
0009 #include <linux/fs.h>
0010
0011 static int no_blkdev_open(struct inode * inode, struct file * filp)
0012 {
0013     return -ENODEV;
0014 }
0015
0016 const struct file_operations def_blk_fops = {
0017     .open       = no_blkdev_open,
0018     .llseek     = noop_llseek,
0019 };