1eecf8e491
out-dated comments, and other unneeded stuff. This helps prepare for cleaning up the rest of the code, and adding new functionality. No functional changes to the kernel code in this commit.
61 lines
2.6 KiB
C
61 lines
2.6 KiB
C
/* $NetBSD: rf_paritylogging.h,v 1.2 1999/01/26 02:34:00 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: William V. Courtright II
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/* header file for Parity Logging */
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#ifndef _RF__RF_PARITYLOGGING_H_
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#define _RF__RF_PARITYLOGGING_H_
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int rf_ConfigureParityLogging(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
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RF_Config_t *cfgPtr);
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int rf_GetDefaultNumFloatingReconBuffersParityLogging(RF_Raid_t *raidPtr);
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RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitParityLogging(RF_Raid_t *raidPtr);
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RF_RegionId_t rf_MapRegionIDParityLogging(RF_Raid_t *raidPtr,
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RF_SectorNum_t address);
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void rf_MapSectorParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
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RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector,
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int remap);
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void rf_MapParityParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
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RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector,
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int remap);
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void rf_MapLogParityLogging(RF_Raid_t *raidPtr, RF_RegionId_t regionID,
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RF_SectorNum_t regionOffset, RF_RowCol_t *row, RF_RowCol_t *col,
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RF_SectorNum_t *startSector);
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void rf_MapRegionParity(RF_Raid_t *raidPtr, RF_RegionId_t regionID,
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RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *startSector,
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RF_SectorCount_t *numSector);
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void rf_IdentifyStripeParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t addr,
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RF_RowCol_t **diskids, RF_RowCol_t *outRow);
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void rf_MapSIDToPSIDParityLogging(RF_RaidLayout_t *layoutPtr,
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RF_StripeNum_t stripeID, RF_StripeNum_t *psID,
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RF_ReconUnitNum_t *which_ru);
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void rf_ParityLoggingDagSelect(RF_Raid_t *raidPtr, RF_IoType_t type,
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RF_AccessStripeMap_t *asmap, RF_VoidFuncPtr *createFunc);
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#endif /* !_RF__RF_PARITYLOGGING_H_ */
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