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      1 /*	$NetBSD: rf_parityloggingdags.h,v 1.7 2019/10/10 03:43:59 christos Exp $	*/
      2 /*
      3  * Copyright (c) 1995 Carnegie-Mellon University.
      4  * All rights reserved.
      5  *
      6  * Author: William V. Courtright II
      7  *
      8  * Permission to use, copy, modify and distribute this software and
      9  * its documentation is hereby granted, provided that both the copyright
     10  * notice and this permission notice appear in all copies of the
     11  * software, derivative works or modified versions, and any portions
     12  * thereof, and that both notices appear in supporting documentation.
     13  *
     14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  *
     18  * Carnegie Mellon requests users of this software to return to
     19  *
     20  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21  *  School of Computer Science
     22  *  Carnegie Mellon University
     23  *  Pittsburgh PA 15213-3890
     24  *
     25  * any improvements or extensions that they make and grant Carnegie the
     26  * rights to redistribute these changes.
     27  */
     28 
     29 /****************************************************************************
     30  *                                                                          *
     31  * rf_parityloggingdags.h -- header file for parity logging dags            *
     32  *                                                                          *
     33  ****************************************************************************/
     34 
     35 #ifndef _RF__RF_PARITYLOGGINGDAGS_H_
     36 #define _RF__RF_PARITYLOGGINGDAGS_H_
     37 
     38 /* routines that create DAGs */
     39 void	rf_CommonCreateParityLoggingLargeWriteDAG(RF_Raid_t * raidPtr,
     40     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h,
     41     void *bp, RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
     42     int nfaults, void (*redFunc) (RF_DagNode_t *));
     43 
     44 void    rf_CommonCreateParityLoggingSmallWriteDAG(RF_Raid_t * raidPtr,
     45     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h,
     46     void *bp, RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
     47     const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs);
     48 
     49 void    rf_CreateParityLoggingLargeWriteDAG(RF_Raid_t * raidPtr,
     50     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h,
     51     void *bp, RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
     52     int nfaults, void (*redFunc) (RF_DagNode_t *));
     53 
     54 void    rf_CreateParityLoggingSmallWriteDAG(RF_Raid_t * raidPtr,
     55     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h,
     56     void *bp, RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
     57     const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs);
     58 
     59 #endif				/* !_RF__RF_PARITYLOGGINGDAGS_H_ */
     60