fs/objfs/objfs_odir.c

/*
 * 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.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <fs/fs_subr.h>

#include <sys/kmem.h>
#include <sys/modctl.h>
#include <sys/objfs.h>
#include <sys/objfs_impl.h>
#include <sys/vfs_opreg.h>
#include <sys/stat.h>

static gfs_dirent_t objfs_odir_entries[] = {
    { "object", objfs_create_data, 0 },
    { NULL }
};

/* ARGSUSED */
static ino64_t
objfs_odir_do_inode(vnode_t *vp, int index)
{
    objfs_odirnode_t *odir = vp->v_data;

    return (OBJFS_INO_DATA(odir->objfs_odir_modctl->mod_id));
}

vnode_t *
objfs_create_odirnode(vnode_t *pvp, struct modctl *mp)
{
    vnode_t *vp = gfs_dir_create(sizeof (objfs_odirnode_t), pvp,
        objfs_ops_odir, objfs_odir_entries, objfs_odir_do_inode,
        OBJFS_NAME_MAX, NULL, NULL);
    objfs_odirnode_t *onode = vp->v_data;

    onode->objfs_odir_modctl = mp;

    return (vp);
}

/* ARGSUSED */
static int
objfs_odir_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
    caller_context_t *ct)
{
    timestruc_t now;

    vap->va_type = VDIR;
    vap->va_mode = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP |
        S_IROTH | S_IXOTH;
    vap->va_nodeid = gfs_file_inode(vp);
    vap->va_nlink = vap->va_size = 2;
    gethrestime(&now);
    vap->va_atime = vap->va_ctime = vap->va_mtime = now;
    return (objfs_common_getattr(vp, vap));
}

const fs_operation_def_t objfs_tops_odir[] = {
    { VOPNAME_OPEN,     { .vop_open = objfs_dir_open } },
    { VOPNAME_CLOSE,    { .vop_close = objfs_common_close } },
    { VOPNAME_IOCTL,    { .error = fs_inval } },
    { VOPNAME_GETATTR,  { .vop_getattr = objfs_odir_getattr } },
    { VOPNAME_ACCESS,   { .vop_access = objfs_dir_access } },
    { VOPNAME_READDIR,  { .vop_readdir = gfs_vop_readdir } },
    { VOPNAME_LOOKUP,   { .vop_lookup = gfs_vop_lookup } },
    { VOPNAME_SEEK,     { .vop_seek = fs_seek } },
    { VOPNAME_INACTIVE, { .vop_inactive = gfs_vop_inactive } },
    { NULL }
};