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/*
* Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <nnpfs/nnpfs_locl.h>
RCSID("$arla: nnpfs_vfsops-openbsd.c,v 1.16 2003/06/02 18:26:50 lha Exp $");
#include <nnpfs/nnpfs_common.h>
#include <nnpfs/nnpfs_message.h>
#include <nnpfs/nnpfs_fs.h>
#include <nnpfs/nnpfs_dev.h>
#include <nnpfs/nnpfs_deb.h>
#include <nnpfs/nnpfs_vfsops.h>
#include <nnpfs/nnpfs_vfsops-bsd.h>
#include <nnpfs/nnpfs_vnodeops.h>
struct vops nnpfs_deadvops = {
.vop_default = (vop_t *)nnpfs_eopnotsupp,
.vop_lookup = (vop_t *)nnpfs_dead_lookup,
.vop_reclaim = (vop_t *)nnpfs_returnzero,
.vop_lock = vop_generic_lock,
.vop_unlock = vop_generic_unlock,
.vop_islocked = vop_generic_islocked
};
int
nnpfs_make_dead_vnode(struct mount *mp, struct vnode **vpp)
{
NNPFSDEB(XDEBNODE, ("make_dead_vnode mp = %lx\n",
(unsigned long)mp));
return getnewvnode(VT_NON, mp, &nnpfs_deadvops, vpp);
}
static int
nnpfs_init(struct vfsconf *vfs)
{
NNPFSDEB(XDEBVFOPS, ("nnpfs_init\n"));
return 0;
}
const struct vfsops nnpfs_vfsops = {
#ifdef HAVE_STRUCT_VFSOPS_VFS_MOUNT
nnpfs_mount_common,
#else
nnpfs_mount_caddr,
#endif
nnpfs_start,
nnpfs_unmount,
nnpfs_root,
nnpfs_quotactl,
nnpfs_statfs,
nnpfs_sync,
nnpfs_vget,
nnpfs_fhtovp,
nnpfs_vptofh,
nnpfs_init,
NULL,
#ifdef HAVE_STRUCT_VFSOPS_VFS_CHECKEXP
nnpfs_checkexp, /* checkexp */
#endif
};
static struct vfsconf nnpfs_vfc = {
&nnpfs_vfsops,
"nnpfs",
0,
0,
0,
NULL
};
#ifndef HAVE_KERNEL_VFS_REGISTER
static int
vfs_register (struct vfsconf *vfs)
{
struct vfsconf *vfsp;
struct vfsconf **vfspp;
/* Check if filesystem already known */
for (vfspp = &vfsconf, vfsp = vfsconf;
vfsp;
vfspp = &vfsp->vfc_next, vfsp = vfsp->vfc_next)
if (strcmp(vfsp->vfc_name, vfs->vfc_name) == 0)
return (EEXIST);
maxvfsconf++;
/* Add to the end of the list */
*vfspp = vfs;
vfs->vfc_next = NULL;
/* Call vfs_init() */
NNPFSDEB(XDEBVFOPS, ("calling vfs_init\n"));
(*(vfs->vfc_vfsops->vfs_init)) (vfs);
/* done! */
return 0;
}
static int
vfs_unregister (struct vfsconf *vfs)
{
struct vfsconf *vfsp;
struct vfsconf **vfspp;
/* Find our vfsconf struct */
for (vfspp = &vfsconf, vfsp = vfsconf;
vfsp;
vfspp = &vfsp->vfc_next, vfsp = vfsp->vfc_next)
if (strcmp(vfsp->vfc_name, vfs->vfc_name) == 0)
break;
if (!vfsp) /* Not found */
return (ENOENT);
if (vfsp->vfc_refcount) /* In use */
return (EBUSY);
/* Remove from list and free */
*vfspp = vfsp->vfc_next;
maxvfsconf--;
return 0;
}
#endif
int
nnpfs_install_filesys(void)
{
return vfs_register (&nnpfs_vfc);
}
int
nnpfs_uninstall_filesys(void)
{
return vfs_unregister (&nnpfs_vfc);
}
int
nnpfs_stat_filesys (void)
{
return 0;
}
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