kernel/fs/objfs/objfs_odir.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 #include <sys/fs_subr.h>
  29
  30 #include <sys/kmem.h>
  31 #include <sys/modctl.h>
  32 #include <sys/objfs.h>
  33 #include <sys/objfs_impl.h>
  34 #include <sys/vfs.h>
  35 #include <sys/stat.h>
  36
  37 static const struct vnodeops objfs_ops_odir;
  38
  39 static gfs_dirent_t objfs_odir_entries[] = {
  40         { "object", objfs_create_data, 0 },
  41         { NULL }
  42 };
  43
  44 /* ARGSUSED */
  45 static ino64_t
  46 objfs_odir_do_inode(vnode_t *vp, int index)
  47 {
  48         objfs_odirnode_t *odir = vp->v_data;
  49
  50         return (OBJFS_INO_DATA(odir->objfs_odir_modctl->mod_id));
  51 }
  52
  53 vnode_t *
  54 objfs_create_odirnode(vnode_t *pvp, struct modctl *mp)
  55 {
  56         vnode_t *vp = gfs_dir_create(sizeof (objfs_odirnode_t), pvp,
  57             &objfs_ops_odir, objfs_odir_entries, objfs_odir_do_inode,
  58             OBJFS_NAME_MAX, NULL, NULL);
  59         objfs_odirnode_t *onode = vp->v_data;
  60
  61         onode->objfs_odir_modctl = mp;
  62
  63         return (vp);
  64 }
  65
  66 /* ARGSUSED */
  67 static int
  68 objfs_odir_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
  69         caller_context_t *ct)
  70 {
  71         timestruc_t now;
  72
  73         vap->va_type = VDIR;
  74         vap->va_mode = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP |
  75             S_IROTH | S_IXOTH;
  76         vap->va_nodeid = gfs_file_inode(vp);
  77         vap->va_nlink = vap->va_size = 2;
  78         gethrestime(&now);
  79         vap->va_atime = vap->va_ctime = vap->va_mtime = now;
  80         return (objfs_common_getattr(vp, vap));
  81 }
  82
  83 static const struct vnodeops objfs_ops_odir = {
  84         .vnop_name = "objfs object directory",
  85         .vop_open = objfs_dir_open,
  86         .vop_close = objfs_common_close,
  87         .vop_ioctl = fs_inval,
  88         .vop_getattr = objfs_odir_getattr,
  89         .vop_access = objfs_dir_access,
  90         .vop_readdir = gfs_vop_readdir,
  91         .vop_lookup = gfs_vop_lookup,
  92         .vop_seek = fs_seek,
  93         .vop_inactive = gfs_vop_inactive,
  94 };