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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/errno.h>
#include <sys/file.h>
#include <sys/objfs.h>
#include <sys/objfs_impl.h>
/*
* For directories, make sure we are using large-file aware interfaces and we
* aren't trying to open it writeable.
*/
/* ARGSUSED */
int
objfs_dir_open(vnode_t **cpp, int flag, cred_t *cr,
caller_context_t *ct)
{
if ((flag & (FOFFMAX | FWRITE)) != FOFFMAX)
return (EINVAL);
return (0);
}
/*
* For all vnodes which have no cleanup to do at close time.
*/
/* ARGSUSED */
int
objfs_common_close(vnode_t *vp, int flag, int count, offset_t off, cred_t *cr,
caller_context_t *ct)
{
return (0);
}
/*
* For directories, ensure we're not open for writing.
*/
/* ARGSUSED */
int
objfs_dir_access(vnode_t *vp, int mode, int flags, cred_t *cr,
caller_context_t *ct)
{
if (mode & VWRITE)
return (EACCES);
return (0);
}
/*
* Fills in common fields for getattr().
*/
int
objfs_common_getattr(vnode_t *vp, vattr_t *vap)
{
vap->va_uid = 0;
vap->va_gid = 0;
vap->va_rdev = 0;
vap->va_blksize = DEV_BSIZE;
vap->va_nblocks = howmany(vap->va_size, vap->va_blksize);
vap->va_seq = 0;
vap->va_fsid = vp->v_vfsp->vfs_dev;
return (0);
}
/*
* Returns the number objects currently loaded in the system.
*/
int
objfs_nobjs(void)
{
int count = 0;
struct modctl *mp;
mutex_enter(&mod_lock);
mp = &modules;
do {
if (mp->mod_loaded)
count++;
} while ((mp = mp->mod_next) != &modules);
mutex_exit(&mod_lock);
return (count);
}
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