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irix-657m-src/irix/kern/sys/repl_vnode.h
2022-09-29 17:59:04 +03:00

72 lines
2.4 KiB
C

#ifndef _SYS_REPL_VNODE_H
#define _SYS_REPL_VNODE_H
/******************************************************************************
* repl_vnode.h
*
* Defines the vnode replication interface exported to outside world
* Only interface that needs to be exported is the mechanism to
* create & attach replication attribute to vnode, and free them when
* the vnode is being reclaimed.
*
* Copyright 1995, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
*
* UNPUBLISHED -- Rights reserved under the copyright laws of the United
* States. Use of a copyright notice is precautionary only and does not
* imply publication or disclosure.
*
* U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
* in similar or successor clauses in the FAR, or the DOD or NASA FAR
* Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
* 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
*
* THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
* INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
* DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
* PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
* GRAPHICS, INC.
******************************************************************************/
#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
#ifdef NUMA_REPLICATION
struct pfdat;
/*
* Routine to initialize replicate specific data structures.
* This routine is called once at system boot time.
* It's repsonsible for setting up
* data structures needed for replication (both policy and mechanism).
*/
void repl_init(void);
/*
* Interface to interpose/dispose vnode replication layer.
*/
extern void repl_interpose(struct vnode *, char *);
extern void repl_dispose(struct vnode *);
#else /* !NUMA_REPLICATION */
#define repl_init()
#define repl_interpose(vp, name)
#define repl_dispose(vp)
#endif /* NUMA_REPLICATION */
#ifdef NUMA_REPLICATION
extern struct pfdat *repl_pfind(struct vnode *, pgno_t, int, void *, struct pfdat *);
#else
#define repl_pfind(vp, pg, flag, pm, pfdp)
#endif /* NUMA_REPLICATION */
#endif /* C || C++ */
#endif /* _SYS_REPL_VNODE_H */