/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (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 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _LIBSPL_SYS_PARAM_H #define _LIBSPL_SYS_PARAM_H #include_next <sys/param.h> #include <unistd.h> /* * File system parameters and macros. * * The file system is made out of blocks of at most MAXBSIZE units, * with smaller units (fragments) only in the last direct block. * MAXBSIZE primarily determines the size of buffers in the buffer * pool. It may be made larger without any effect on existing * file systems; however making it smaller may make some file * systems unmountable. * * Note that the blocked devices are assumed to have DEV_BSIZE * "sectors" and that fragments must be some multiple of this size. */ #define MAXBSIZE 8192 #define DEV_BSIZE 512 #define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ #define MAXNAMELEN 256 #define MAXOFFSET_T LLONG_MAX #define UID_NOBODY 60001 /* user ID no body */ #define GID_NOBODY UID_NOBODY #define UID_NOACCESS 60002 /* user ID no access */ #define MAXUID UINT32_MAX /* max user id */ #define MAXPROJID MAXUID /* max project id */ #ifdef PAGESIZE #undef PAGESIZE #endif /* PAGESIZE */ extern size_t spl_pagesize(void); #define PAGESIZE (spl_pagesize()) #endif |