Mercurial > yaffs-ecoscentric

annotate yaffs_packedtags2.c @ 255:467bb4a77339

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Improve handling of ecc on tags
author charles
date Fri, 16 Jan 2009 00:45:47 +0000
parents fad21fd1971d
children c8620405d086
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
1 /*
174
7d11ae6795e4 normalise licence headers and attributions
wookey
parents: 148
diff changeset
2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
3 *
174
7d11ae6795e4 normalise licence headers and attributions
wookey
parents: 148
diff changeset
4 * Copyright (C) 2002-2007 Aleph One Ltd.
7d11ae6795e4 normalise licence headers and attributions
wookey
parents: 148
diff changeset
5 * for Toby Churchill Ltd and Brightstar Engineering
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
6 *
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
7 * Created by Charles Manning <charles@aleph1.co.uk>
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
8 *
174
7d11ae6795e4 normalise licence headers and attributions
wookey
parents: 148
diff changeset
9 * This program is free software; you can redistribute it and/or modify
7d11ae6795e4 normalise licence headers and attributions
wookey
parents: 148
diff changeset
10 * it under the terms of the GNU General Public License version 2 as
7d11ae6795e4 normalise licence headers and attributions
wookey
parents: 148
diff changeset
11 * published by the Free Software Foundation.
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
12 */
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
13
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
14 #include "yaffs_packedtags2.h"
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
15 #include "yportenv.h"
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
16 #include "yaffs_tagsvalidity.h"
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
17
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
18 /* This code packs a set of extended tags into a binary structure for
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
19 * NAND storage
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
20 */
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
21
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
22 /* Some of the information is "extra" struff which can be packed in to
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
23 * speed scanning
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
24 * This is defined by having the EXTRA_HEADER_INFO_FLAG set.
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
25 */
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
26
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
27 /* Extra flags applied to chunkId */
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
28
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
29 #define EXTRA_HEADER_INFO_FLAG 0x80000000
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
30 #define EXTRA_SHRINK_FLAG 0x40000000
50
4a79e23a3570 Add flag for object shadowing
charles
parents: 24
diff changeset
31 #define EXTRA_SHADOWS_FLAG 0x20000000
4a79e23a3570 Add flag for object shadowing
charles
parents: 24
diff changeset
32 #define EXTRA_SPARE_FLAGS 0x10000000
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
33
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
34 #define ALL_EXTRA_FLAGS 0xF0000000
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
35
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
36 /* Also, the top 4 bits of the object Id are set to the object type. */
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
37 #define EXTRA_OBJECT_TYPE_SHIFT (28)
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
38 #define EXTRA_OBJECT_TYPE_MASK ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT)
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
39
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
40
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
41 static void yaffs_DumpPackedTags2TagsPart(const yaffs_PackedTags2TagsPart * ptt)
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
42 {
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
43 T(YAFFS_TRACE_MTD,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
44 (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
45 ptt->objectId, ptt->chunkId, ptt->byteCount,
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
46 ptt->sequenceNumber));
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
47 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
48 static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
49 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
50 yaffs_DumpPackedTags2TagsPart(&pt->t);
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
51 }
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
52
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
53 static void yaffs_DumpTags2(const yaffs_ExtendedTags * t)
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
54 {
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
55 T(YAFFS_TRACE_MTD,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
56 (TSTR
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
57 ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d"
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
58 TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
59 t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
60 t->sequenceNumber));
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
61
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
62 }
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
63
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
64 void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart * ptt, const yaffs_ExtendedTags * t)
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
65 {
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
66 ptt->chunkId = t->chunkId;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
67 ptt->sequenceNumber = t->sequenceNumber;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
68 ptt->byteCount = t->byteCount;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
69 ptt->objectId = t->objectId;
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
70
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
71 if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
72 /* Store the extra header info instead */
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
73 /* We save the parent object in the chunkId */
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
74 ptt->chunkId = EXTRA_HEADER_INFO_FLAG
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
75 | t->extraParentObjectId;
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
76 if (t->extraIsShrinkHeader) {
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
77 ptt->chunkId |= EXTRA_SHRINK_FLAG;
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
78 }
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
79 if (t->extraShadows) {
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
80 ptt->chunkId |= EXTRA_SHADOWS_FLAG;
50
4a79e23a3570 Add flag for object shadowing
charles
parents: 24
diff changeset
81 }
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
82
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
83 ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
84 ptt->objectId |=
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
85 (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
86
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
87 if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
88 ptt->byteCount = t->extraEquivalentObjectId;
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
89 } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) {
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
90 ptt->byteCount = t->extraFileLength;
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
91 } else {
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
92 ptt->byteCount = 0;
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
93 }
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
94 }
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
95
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
96 yaffs_DumpPackedTags2TagsPart(ptt);
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
97 yaffs_DumpTags2(t);
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
98 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
99
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
100
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
101 void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
102 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
103 yaffs_PackTags2TagsPart(&pt->t,t);
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
104
24
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
105 #ifndef YAFFS_IGNORE_TAGS_ECC
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
106 {
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
107 yaffs_ECCCalculateOther((unsigned char *)&pt->t,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
108 sizeof(yaffs_PackedTags2TagsPart),
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
109 &pt->ecc);
24
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
110 }
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
111 #endif
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
112 }
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
113
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
114
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
115 void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags * t, yaffs_PackedTags2TagsPart * ptt)
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
116 {
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
117
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
118 memset(t, 0, sizeof(yaffs_ExtendedTags));
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
119
15
25dfba77df6a Add scanning speedups
charles
parents: 7
diff changeset
120 yaffs_InitialiseTags(t);
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
121
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
122 if (ptt->sequenceNumber != 0xFFFFFFFF) {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
123 t->blockBad = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
124 t->chunkUsed = 1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
125 t->objectId = ptt->objectId;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
126 t->chunkId = ptt->chunkId;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
127 t->byteCount = ptt->byteCount;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
128 t->chunkDeleted = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
129 t->serialNumber = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
130 t->sequenceNumber = ptt->sequenceNumber;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
131
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
132 /* Do extra header info stuff */
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
133
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
134 if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
135 t->chunkId = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
136 t->byteCount = 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
137
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
138 t->extraHeaderInfoAvailable = 1;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
139 t->extraParentObjectId =
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
140 ptt->chunkId & (~(ALL_EXTRA_FLAGS));
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
141 t->extraIsShrinkHeader =
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
142 (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
143 t->extraShadows =
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
144 (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
145 t->extraObjectType =
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
146 ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
147 t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
148
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
149 if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
150 t->extraEquivalentObjectId = ptt->byteCount;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
151 } else {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
152 t->extraFileLength = ptt->byteCount;
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
153 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
154 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
155 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
156
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
157 yaffs_DumpPackedTags2TagsPart(ptt);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
158 yaffs_DumpTags2(t);
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
159
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
160 }
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
161
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
162
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
163 void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
164 {
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
165
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
166 yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
167
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
168 if (pt->t.sequenceNumber != 0xFFFFFFFF) {
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
169 /* Page is in use */
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
170 #ifndef YAFFS_IGNORE_TAGS_ECC
24
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
171 {
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
172 yaffs_ECCOther ecc;
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
173 int result;
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
174 yaffs_ECCCalculateOther((unsigned char *)&pt->t,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
175 sizeof
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
176 (yaffs_PackedTags2TagsPart),
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
177 &ecc);
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
178 result =
79
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
179 yaffs_ECCCorrectOther((unsigned char *)&pt->t,
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
180 sizeof
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
181 (yaffs_PackedTags2TagsPart),
3eaa6f96e945 lindent
marty
parents: 50
diff changeset
182 &pt->ecc, &ecc);
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
183 switch(result){
205
f95fdc6123fb Cleanup patch - Remove all trailing whitespace and fix a few typos.
wookey
parents: 177
diff changeset
184 case 0:
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
185 eccResult = YAFFS_ECC_RESULT_NO_ERROR;
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
186 break;
205
f95fdc6123fb Cleanup patch - Remove all trailing whitespace and fix a few typos.
wookey
parents: 177
diff changeset
187 case 1:
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
188 eccResult = YAFFS_ECC_RESULT_FIXED;
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
189 break;
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
190 case -1:
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
191 eccResult = YAFFS_ECC_RESULT_UNFIXED;
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
192 break;
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
193 default:
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
194 eccResult = YAFFS_ECC_RESULT_UNKNOWN;
148
1d8892b579f5 Better retirement and erasure checking.
charles
parents: 79
diff changeset
195 }
24
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
196 }
4ebabd859f38 Some improvements to garbage collection and st_xxx to yst_xxx changes
charles
parents: 15
diff changeset
197 #endif
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
198 }
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
199
255
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
200 yaffs_UnpackTags2TagsPart(t,&pt->t);
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
201
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
202 t->eccResult = eccResult;
467bb4a77339 Improve handling of ecc on tags
charles
parents: 211
diff changeset
203
7
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
204 yaffs_DumpPackedTags2(pt);
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
205 yaffs_DumpTags2(t);
ddfefbbf40d3 *** empty log message ***
charles
parents: 6
diff changeset
206
6
ffe653f3cb4f *** empty log message ***
charles
parents:
diff changeset
207 }
211
fad21fd1971d Check in inband tags, some extra yaffs direct functions and some other changes
charles
parents: 205
diff changeset
208