1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1997-1998 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _SYS_FBUF_H 32*0Sstevel@tonic-gate #define _SYS_FBUF_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/vnode.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * A struct fbuf is used to get a mapping to part of a file using the 44*0Sstevel@tonic-gate * segkmap facilities. After you get a mapping, you can fbrelse() it 45*0Sstevel@tonic-gate * (giving a seg code to pass back to segmap_release), you can fbwrite() 46*0Sstevel@tonic-gate * it (causes a synchronous write back using the file mapping information), 47*0Sstevel@tonic-gate * or you can fbiwrite it (causing indirect synchronous write back to 48*0Sstevel@tonic-gate * the block number given without using the file mapping information). 49*0Sstevel@tonic-gate */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate struct fbuf { 52*0Sstevel@tonic-gate caddr_t fb_addr; 53*0Sstevel@tonic-gate uint_t fb_count; 54*0Sstevel@tonic-gate }; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #if defined(__STDC__) 57*0Sstevel@tonic-gate extern int fbread(struct vnode *, offset_t, uint_t, enum seg_rw, 58*0Sstevel@tonic-gate struct fbuf **); 59*0Sstevel@tonic-gate extern void fbzero(struct vnode *, offset_t, uint_t, struct fbuf **); 60*0Sstevel@tonic-gate extern int fbwrite(struct fbuf *); 61*0Sstevel@tonic-gate extern int fbdwrite(struct fbuf *); 62*0Sstevel@tonic-gate extern int fbiwrite(struct fbuf *, struct vnode *, daddr_t bn, int bsize); 63*0Sstevel@tonic-gate extern void fbrelse(struct fbuf *, enum seg_rw); 64*0Sstevel@tonic-gate #endif 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate #ifdef __cplusplus 67*0Sstevel@tonic-gate } 68*0Sstevel@tonic-gate #endif 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate #endif /* _SYS_FBUF_H */ 71