17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*da6c28aaSamw * Common Development and Distribution License (the "License"). 6*da6c28aaSamw * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*da6c28aaSamw * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/errno.h> 297c478bd9Sstevel@tonic-gate #include <sys/file.h> 307c478bd9Sstevel@tonic-gate #include <sys/objfs.h> 317c478bd9Sstevel@tonic-gate #include <sys/objfs_impl.h> 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate /* 347c478bd9Sstevel@tonic-gate * For directories, make sure we are using large-file aware interfaces and we 357c478bd9Sstevel@tonic-gate * aren't trying to open it writeable. 367c478bd9Sstevel@tonic-gate */ 377c478bd9Sstevel@tonic-gate /* ARGSUSED */ 387c478bd9Sstevel@tonic-gate int 39*da6c28aaSamw objfs_dir_open(vnode_t **cpp, int flag, cred_t *cr, 40*da6c28aaSamw caller_context_t *ct) 417c478bd9Sstevel@tonic-gate { 427c478bd9Sstevel@tonic-gate if ((flag & (FOFFMAX | FWRITE)) != FOFFMAX) 437c478bd9Sstevel@tonic-gate return (EINVAL); 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate return (0); 467c478bd9Sstevel@tonic-gate } 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate /* 497c478bd9Sstevel@tonic-gate * For all vnodes which have no cleanup to do at close time. 507c478bd9Sstevel@tonic-gate */ 517c478bd9Sstevel@tonic-gate /* ARGSUSED */ 527c478bd9Sstevel@tonic-gate int 53*da6c28aaSamw objfs_common_close(vnode_t *vp, int flag, int count, offset_t off, cred_t *cr, 54*da6c28aaSamw caller_context_t *ct) 557c478bd9Sstevel@tonic-gate { 567c478bd9Sstevel@tonic-gate return (0); 577c478bd9Sstevel@tonic-gate } 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate /* 60*da6c28aaSamw * For directories, ensure we're not open for writing. 617c478bd9Sstevel@tonic-gate */ 627c478bd9Sstevel@tonic-gate /* ARGSUSED */ 637c478bd9Sstevel@tonic-gate int 64*da6c28aaSamw objfs_dir_access(vnode_t *vp, int mode, int flags, cred_t *cr, 65*da6c28aaSamw caller_context_t *ct) 667c478bd9Sstevel@tonic-gate { 677c478bd9Sstevel@tonic-gate if (mode & VWRITE) 687c478bd9Sstevel@tonic-gate return (EACCES); 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate return (0); 717c478bd9Sstevel@tonic-gate } 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate /* 747c478bd9Sstevel@tonic-gate * Fills in common fields for getattr(). 757c478bd9Sstevel@tonic-gate */ 767c478bd9Sstevel@tonic-gate int 777c478bd9Sstevel@tonic-gate objfs_common_getattr(vnode_t *vp, vattr_t *vap) 787c478bd9Sstevel@tonic-gate { 797c478bd9Sstevel@tonic-gate vap->va_uid = 0; 807c478bd9Sstevel@tonic-gate vap->va_gid = 0; 817c478bd9Sstevel@tonic-gate vap->va_rdev = 0; 827c478bd9Sstevel@tonic-gate vap->va_blksize = DEV_BSIZE; 837c478bd9Sstevel@tonic-gate vap->va_nblocks = howmany(vap->va_size, vap->va_blksize); 847c478bd9Sstevel@tonic-gate vap->va_seq = 0; 857c478bd9Sstevel@tonic-gate vap->va_fsid = vp->v_vfsp->vfs_dev; 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate return (0); 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate /* 917c478bd9Sstevel@tonic-gate * Returns the number objects currently loaded in the system. 927c478bd9Sstevel@tonic-gate */ 937c478bd9Sstevel@tonic-gate int 947c478bd9Sstevel@tonic-gate objfs_nobjs(void) 957c478bd9Sstevel@tonic-gate { 967c478bd9Sstevel@tonic-gate int count = 0; 977c478bd9Sstevel@tonic-gate struct modctl *mp; 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate mutex_enter(&mod_lock); 1007c478bd9Sstevel@tonic-gate mp = &modules; 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate do { 1037c478bd9Sstevel@tonic-gate if (mp->mod_loaded) 1047c478bd9Sstevel@tonic-gate count++; 1057c478bd9Sstevel@tonic-gate } while ((mp = mp->mod_next) != &modules); 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate mutex_exit(&mod_lock); 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate return (count); 1107c478bd9Sstevel@tonic-gate } 111