xref: /freebsd/sys/fs/tmpfs/tmpfs_fifoops.c (revision d63027b668c055c83bad6191a9986616380c86e4)
1 /*	$NetBSD: tmpfs_fifoops.c,v 1.5 2005/12/11 12:24:29 christos Exp $	*/
2 
3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause-NetBSD
5  *
6  * Copyright (c) 2005 The NetBSD Foundation, Inc.
7  * All rights reserved.
8  *
9  * This code is derived from software contributed to The NetBSD Foundation
10  * by Julio M. Merino Vidal, developed as part of Google's Summer of Code
11  * 2005 program.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 /*
36  * tmpfs vnode interface for named pipes.
37  */
38 #include <sys/cdefs.h>
39  __FBSDID("$FreeBSD$");
40 
41 #include <sys/param.h>
42 #include <sys/proc.h>
43 #include <sys/vnode.h>
44 
45 #include <vm/vm.h>
46 #include <vm/vm_object.h>
47 
48 #include <fs/tmpfs/tmpfs.h>
49 #include <fs/tmpfs/tmpfs_fifoops.h>
50 #include <fs/tmpfs/tmpfs_vnops.h>
51 
52 static int
53 tmpfs_fifo_close(struct vop_close_args *v)
54 {
55 	struct tmpfs_node *node;
56 
57 	node = VP_TO_TMPFS_NODE(v->a_vp);
58 	tmpfs_set_status(node, TMPFS_NODE_ACCESSED);
59 	tmpfs_update(v->a_vp);
60 	return (fifo_specops.vop_close(v));
61 }
62 
63 /*
64  * vnode operations vector used for fifos stored in a tmpfs file system.
65  */
66 struct vop_vector tmpfs_fifoop_entries = {
67 	.vop_default =			&fifo_specops,
68 	.vop_close =			tmpfs_fifo_close,
69 	.vop_reclaim =			tmpfs_reclaim,
70 	.vop_access =			tmpfs_access,
71 	.vop_getattr =			tmpfs_getattr,
72 	.vop_setattr =			tmpfs_setattr,
73 	.vop_print =			tmpfs_print,
74 };
75