From 4b41478c6688f539949ea3e8ecada0ab5fcbcf40 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut@gmail.com>
Date: Mon, 24 Oct 2011 23:41:37 +0000
Subject: [PATCH] GCC4.6: Drop dead code from yaffs_guts.c

Drop yaffs_DeleteWorker():
yaffs_guts.c:1556:12: warning: 'yaffs_DeleteWorker' defined but not used

Drop yaffs_VerifyTnodeWorker():
yaffs_guts.c:600:12: warning: 'yaffs_VerifyTnodeWorker' defined but not used

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>
---
 fs/yaffs2/yaffs_guts.c | 149 -----------------------------------------
 1 file changed, 149 deletions(-)

diff --git a/fs/yaffs2/yaffs_guts.c b/fs/yaffs2/yaffs_guts.c
index c67a08517b..68422e265b 100644
--- a/fs/yaffs2/yaffs_guts.c
+++ b/fs/yaffs2/yaffs_guts.c
@@ -78,8 +78,6 @@ static int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name,
 				    int force, int isShrink, int shadows);
 static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj);
 static int yaffs_CheckStructures(void);
-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
-			      int chunkOffset, int *limit);
 static int yaffs_DoGenericObjectDeletion(yaffs_Object * in);
 
 static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blockNo);
@@ -595,55 +593,6 @@ static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh,
 		 obj->objectId));
 }
 
-
-
-static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn,
-					__u32 level, int chunkOffset)
-{
-	int i;
-	yaffs_Device *dev = obj->myDev;
-	int ok = 1;
-
-	if (tn) {
-		if (level > 0) {
-
-			for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
-				if (tn->internal[i]) {
-					ok = yaffs_VerifyTnodeWorker(obj,
-							tn->internal[i],
-							level - 1,
-							(chunkOffset<<YAFFS_TNODES_INTERNAL_BITS) + i);
-				}
-			}
-		} else if (level == 0) {
-			int i;
-			yaffs_ExtendedTags tags;
-			__u32 objectId = obj->objectId;
-
-			chunkOffset <<=  YAFFS_TNODES_LEVEL0_BITS;
-
-			for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){
-				__u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-
-				if(theChunk > 0){
-					/* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */
-					yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
-					if(tags.objectId != objectId || tags.chunkId != chunkOffset){
-						T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-							objectId, chunkOffset, theChunk,
-							tags.objectId, tags.chunkId));
-					}
-				}
-				chunkOffset++;
-			}
-		}
-	}
-
-	return ok;
-
-}
-
-
 static void yaffs_VerifyFile(yaffs_Object *obj)
 {
 	int requiredTallness;
@@ -1546,104 +1495,6 @@ static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk,
 	return -1;
 }
 
-
-/* DeleteWorker scans backwards through the tnode tree and deletes all the
- * chunks and tnodes in the file
- * Returns 1 if the tree was deleted.
- * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
- */
-
-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
-			      int chunkOffset, int *limit)
-{
-	int i;
-	int chunkInInode;
-	int theChunk;
-	yaffs_ExtendedTags tags;
-	int foundChunk;
-	yaffs_Device *dev = in->myDev;
-
-	int allDone = 1;
-
-	if (tn) {
-		if (level > 0) {
-
-			for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
-			     i--) {
-				if (tn->internal[i]) {
-					if (limit && (*limit) < 0) {
-						allDone = 0;
-					} else {
-						allDone =
-						    yaffs_DeleteWorker(in,
-								       tn->
-								       internal
-								       [i],
-								       level -
-								       1,
-								       (chunkOffset
-									<<
-									YAFFS_TNODES_INTERNAL_BITS)
-								       + i,
-								       limit);
-					}
-					if (allDone) {
-						yaffs_FreeTnode(dev,
-								tn->
-								internal[i]);
-						tn->internal[i] = NULL;
-					}
-				}
-
-			}
-			return (allDone) ? 1 : 0;
-		} else if (level == 0) {
-			int hitLimit = 0;
-
-			for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
-			     i--) {
-				theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-				if (theChunk) {
-
-					chunkInInode =
-					    (chunkOffset <<
-					     YAFFS_TNODES_LEVEL0_BITS) + i;
-
-					foundChunk =
-					    yaffs_FindChunkInGroup(dev,
-								   theChunk,
-								   &tags,
-								   in->objectId,
-								   chunkInInode);
-
-					if (foundChunk > 0) {
-						yaffs_DeleteChunk(dev,
-								  foundChunk, 1,
-								  __LINE__);
-						in->nDataChunks--;
-						if (limit) {
-							*limit = *limit - 1;
-							if (*limit <= 0) {
-								hitLimit = 1;
-							}
-						}
-
-					}
-
-					yaffs_PutLevel0Tnode(dev,tn,i,0);
-				}
-
-			}
-			return (i < 0) ? 1 : 0;
-
-		}
-
-	}
-
-	return 1;
-
-}
-
 static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk)
 {
 
-- 
2.39.5