1 | /* $NetBSD: rf_dagdegwr.h,v 1.6 2006/05/14 21:45:00 elad Exp $ */ |
2 | /* |
3 | * Copyright (c) 1995 Carnegie-Mellon University. |
4 | * All rights reserved. |
5 | * |
6 | * Author: Mark Holland, Daniel Stodolsky, 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@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 | #ifndef _RF__RF_DAGDEGWR_H_ |
31 | #define _RF__RF_DAGDEGWR_H_ |
32 | |
33 | /* degraded write DAG creation routines */ |
34 | void rf_CreateDegradedWriteDAG(RF_Raid_t * raidPtr, |
35 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
36 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList); |
37 | |
38 | void rf_CommonCreateSimpleDegradedWriteDAG(RF_Raid_t * raidPtr, |
39 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
40 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, |
41 | int nfaults, int (*redFunc) (RF_DagNode_t *), int allowBufferRecycle); |
42 | |
43 | void rf_WriteGenerateFailedAccessASMs(RF_Raid_t * raidPtr, |
44 | RF_AccessStripeMap_t * asmap, RF_PhysDiskAddr_t ** pdap, |
45 | int *nNodep, RF_PhysDiskAddr_t ** pqpdap, |
46 | int *nPQNodep, RF_AllocListElem_t * allocList); |
47 | |
48 | void rf_DoubleDegSmallWrite(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap, |
49 | RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags, |
50 | RF_AllocListElem_t * allocList, const char *redundantReadNodeName, |
51 | const char *redundantWriteNodeName, const char *recoveryNodeName, |
52 | int (*recovFunc) (RF_DagNode_t *)); |
53 | |
54 | #endif /* !_RF__RF_DAGDEGWR_H_ */ |
55 | |