X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_yaffs2.c;h=e13dd41c5272a23dfe8bebc452f76ac02d7641c1;hp=ab175b9e24d3fbae9aa0afaf74e894c3670c49dd;hb=679f371f44c58b815b42f3390a81c269f5bb9710;hpb=4a700fe570d217c2c5df87070db7c2652bc0eaaf

diff --git a/yaffs_yaffs2.c b/yaffs_yaffs2.c
index ab175b9..e13dd41 100644
--- a/yaffs_yaffs2.c
+++ b/yaffs_yaffs2.c
@@ -20,6 +20,7 @@
 #include "yaffs_qsort.h"
 #include "yaffs_nand.h"
 #include "yaffs_getblockinfo.h"
+#include "yaffs_verify.h"
 
 /*
  * Checkpoints are really no benefit on very small partitions.
@@ -206,6 +207,7 @@ int yaffs2_CheckpointRequired(yaffs_Device *dev)
 	nblocks = dev->internalEndBlock - dev->internalStartBlock + 1 ;
 
 	return 	!dev->param.skipCheckpointWrite &&
+		!dev->readOnly &&
 		(nblocks >= YAFFS_CHECKPOINT_MIN_BLOCKS);
 }
 
@@ -1132,7 +1134,8 @@ int yaffs2_ScanBackwards(yaffs_Device *dev)
 
 			} else if (tags.objectId > YAFFS_MAX_OBJECT_ID ||
 				tags.chunkId > YAFFS_MAX_CHUNK_ID ||
-				(tags.chunkId > 0 && tags.byteCount > dev->nDataBytesPerChunk)) {
+				(tags.chunkId > 0 && tags.byteCount > dev->nDataBytesPerChunk) ||
+				tags.sequenceNumber != bi->sequenceNumber ) {
 				T(YAFFS_TRACE_SCAN,
 				  (TSTR("Chunk (%d:%d) with bad tags:obj = %d, chunkId = %d, byteCount = %d, ignored"TENDSTR),
 				  blk, c,tags.objectId, tags.chunkId, tags.byteCount));
@@ -1313,7 +1316,6 @@ int yaffs2_ScanBackwards(yaffs_Device *dev)
 					in->valid = 1;
 
 					if (oh) {
-						in->variantType = oh->type;
 
 						in->yst_mode = oh->yst_mode;
 #ifdef CONFIG_YAFFS_WINCE
@@ -1331,11 +1333,11 @@ int yaffs2_ScanBackwards(yaffs_Device *dev)
 						in->yst_ctime = oh->yst_ctime;
 						in->yst_rdev = oh->yst_rdev;
 
+						in->lazyLoaded = 0;
+
 #endif
-					} else {
-						in->variantType = tags.extraObjectType;
+					} else
 						in->lazyLoaded = 1;
-					}
 
 					in->hdrChunk = chunk;