remove more redundant files and clone files-2.6.23 for 2.6.24 - fixes rdc build errors

[openwrt/openwrt.git] / target / linux / generic-2.6 / files-2.6.25 / fs / yaffs2 / yaffs_packedtags2.c

diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c
deleted file mode 100644 (file)
index e420f95..0000000
--- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2007 Aleph One Ltd.
- *   for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include "yaffs_packedtags2.h"
-#include "yportenv.h"
-#include "yaffs_tagsvalidity.h"
-
-/* This code packs a set of extended tags into a binary structure for
- * NAND storage
- */
-
-/* Some of the information is "extra" struff which can be packed in to
- * speed scanning
- * This is defined by having the EXTRA_HEADER_INFO_FLAG set.
- */
-
-/* Extra flags applied to chunkId */
-
-#define EXTRA_HEADER_INFO_FLAG 0x80000000
-#define EXTRA_SHRINK_FLAG      0x40000000
-#define EXTRA_SHADOWS_FLAG     0x20000000
-#define EXTRA_SPARE_FLAGS      0x10000000
-
-#define ALL_EXTRA_FLAGS                0xF0000000
-
-/* Also, the top 4 bits of the object Id are set to the object type. */
-#define EXTRA_OBJECT_TYPE_SHIFT (28)
-#define EXTRA_OBJECT_TYPE_MASK  ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT)
-
-static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt)
-{
-       T(YAFFS_TRACE_MTD,
-         (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
-          pt->t.objectId, pt->t.chunkId, pt->t.byteCount,
-          pt->t.sequenceNumber));
-}
-
-static void yaffs_DumpTags2(const yaffs_ExtendedTags * t)
-{
-       T(YAFFS_TRACE_MTD,
-         (TSTR
-          ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte "
-           "%d del %d ser %d seq %d"
-           TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId,
-          t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber,
-          t->sequenceNumber));
-
-}
-
-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
-{
-       pt->t.chunkId = t->chunkId;
-       pt->t.sequenceNumber = t->sequenceNumber;
-       pt->t.byteCount = t->byteCount;
-       pt->t.objectId = t->objectId;
-
-       if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
-               /* Store the extra header info instead */
-               /* We save the parent object in the chunkId */
-               pt->t.chunkId = EXTRA_HEADER_INFO_FLAG
-                       | t->extraParentObjectId;
-               if (t->extraIsShrinkHeader) {
-                       pt->t.chunkId |= EXTRA_SHRINK_FLAG;
-               }
-               if (t->extraShadows) {
-                       pt->t.chunkId |= EXTRA_SHADOWS_FLAG;
-               }
-
-               pt->t.objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-               pt->t.objectId |=
-                   (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
-
-               if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
-                       pt->t.byteCount = t->extraEquivalentObjectId;
-               } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) {
-                       pt->t.byteCount = t->extraFileLength;
-               } else {
-                       pt->t.byteCount = 0;
-               }
-       }
-
-       yaffs_DumpPackedTags2(pt);
-       yaffs_DumpTags2(t);
-
-#ifndef YAFFS_IGNORE_TAGS_ECC
-       {
-               yaffs_ECCCalculateOther((unsigned char *)&pt->t,
-                                       sizeof(yaffs_PackedTags2TagsPart),
-                                       &pt->ecc);
-       }
-#endif
-}
-
-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
-{
-
-       memset(t, 0, sizeof(yaffs_ExtendedTags));
-
-       yaffs_InitialiseTags(t);
-
-       if (pt->t.sequenceNumber != 0xFFFFFFFF) {
-               /* Page is in use */
-#ifdef YAFFS_IGNORE_TAGS_ECC
-               {
-                       t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-               }
-#else
-               {
-                       yaffs_ECCOther ecc;
-                       int result;
-                       yaffs_ECCCalculateOther((unsigned char *)&pt->t,
-                                               sizeof
-                                               (yaffs_PackedTags2TagsPart),
-                                               &ecc);
-                       result =
-                           yaffs_ECCCorrectOther((unsigned char *)&pt->t,
-                                                 sizeof
-                                                 (yaffs_PackedTags2TagsPart),
-                                                 &pt->ecc, &ecc);
-                       switch(result){
-                               case 0:
-                                       t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-                                       break;
-                               case 1:
-                                       t->eccResult = YAFFS_ECC_RESULT_FIXED;
-                                       break;
-                               case -1:
-                                       t->eccResult = YAFFS_ECC_RESULT_UNFIXED;
-                                       break;
-                               default:
-                                       t->eccResult = YAFFS_ECC_RESULT_UNKNOWN;
-                       }
-               }
-#endif
-               t->blockBad = 0;
-               t->chunkUsed = 1;
-               t->objectId = pt->t.objectId;
-               t->chunkId = pt->t.chunkId;
-               t->byteCount = pt->t.byteCount;
-               t->chunkDeleted = 0;
-               t->serialNumber = 0;
-               t->sequenceNumber = pt->t.sequenceNumber;
-
-               /* Do extra header info stuff */
-
-               if (pt->t.chunkId & EXTRA_HEADER_INFO_FLAG) {
-                       t->chunkId = 0;
-                       t->byteCount = 0;
-
-                       t->extraHeaderInfoAvailable = 1;
-                       t->extraParentObjectId =
-                           pt->t.chunkId & (~(ALL_EXTRA_FLAGS));
-                       t->extraIsShrinkHeader =
-                           (pt->t.chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
-                       t->extraShadows =
-                           (pt->t.chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
-                       t->extraObjectType =
-                           pt->t.objectId >> EXTRA_OBJECT_TYPE_SHIFT;
-                       t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-
-                       if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
-                               t->extraEquivalentObjectId = pt->t.byteCount;
-                       } else {
-                               t->extraFileLength = pt->t.byteCount;
-                       }
-               }
-       }
-
-       yaffs_DumpPackedTags2(pt);
-       yaffs_DumpTags2(t);
-
-}