yaffs_ObjectType type);
-static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod);
+static int yaffs_ApplyXMod(yaffs_Object *obj, char *buffer, yaffs_XAttrMod *xmod);
static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj);
static int yaffs_CheckStructures(void);
static int yaffs_DoGenericObjectDeletion(yaffs_Object *in);
-static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo);
-
-
static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
int chunkInNAND);
int newChunk;
int markNAND;
int retVal = YAFFS_OK;
- int cleanups = 0;
int i;
int isCheckpointBlock;
int matchingChunk;
* We have to decrement free chunks so this works out properly.
*/
dev->nFreeChunks--;
+ bi->softDeletions--;
object->nDataChunks--;
if (object->nDataChunks <= 0) {
/* remeber to clean up the object */
- dev->gcCleanupList[cleanups] =
+ dev->gcCleanupList[dev->nCleanups] =
tags.objectId;
- cleanups++;
+ dev->nCleanups++;
}
markNAND = 0;
} else if (0) {
yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
+
+ }
+
+ yaffs_VerifyCollectedBlock(dev, bi, block);
+
+
+
+ if (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) {
+ /*
+ * The gc did not complete. Set block state back to FULL
+ * because checkpointing does not restore gc.
+ */
+ bi->blockState = YAFFS_BLOCK_STATE_FULL;
+ } else {
+ /* The gc completed. */
/* Do any required cleanups */
- for (i = 0; i < cleanups; i++) {
+ for (i = 0; i < dev->nCleanups; i++) {
/* Time to delete the file too */
object =
yaffs_FindObjectByNumber(dev,
}
- }
-
- yaffs_VerifyCollectedBlock(dev, bi, block);
-
-
- if (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) {
- /*
- * The gc did not complete. Set block state back to FULL
- * because checkpointing does not restore gc.
- */
- bi->blockState = YAFFS_BLOCK_STATE_FULL;
- } else {
- /* The gc completed. */
chunksAfter = yaffs_GetErasedChunks(dev);
if (chunksBefore >= chunksAfter) {
T(YAFFS_TRACE_GC,
}
dev->gcBlock = 0;
dev->gcChunk = 0;
+ dev->nCleanups = 0;
}
dev->gcDisable = 0;
threshold = dev->param.nChunksPerBlock;
iterations = nBlocks;
} else {
- int maxThreshold = dev->param.nChunksPerBlock/2;
+ int maxThreshold;
+
+ if(background)
+ maxThreshold = dev->param.nChunksPerBlock/2;
+ else
+ maxThreshold = dev->param.nChunksPerBlock/8;
+
+ if(maxThreshold < YAFFS_GC_PASSIVE_THRESHOLD)
+ maxThreshold = YAFFS_GC_PASSIVE_THRESHOLD;
+
threshold = background ?
(dev->gcNotDone + 2) * 2 : 0;
if(threshold <YAFFS_GC_PASSIVE_THRESHOLD)
dev->param.nChunksPerBlock - dev->gcPagesInUse,
prioritised));
+ dev->nGCBlocks++;
if(background)
dev->backgroundGCs++;
+
dev->gcDirtiest = 0;
dev->gcPagesInUse = 0;
dev->gcNotDone = 0;
int aggressive = 0;
int gcOk = YAFFS_OK;
int maxTries = 0;
-
int minErased;
int erasedChunks;
-
int checkpointBlockAdjust;
if(dev->param.gcControl &&
if (dev->nErasedBlocks < minErased)
aggressive = 1;
else {
+ if(!background && erasedChunks > (dev->nFreeChunks / 4))
+ break;
+
if(dev->gcSkip > 20)
dev->gcSkip = 20;
if(erasedChunks < dev->nFreeChunks/2 ||
if (dev->gcBlock < 1 && !aggressive) {
dev->gcBlock = yaffs2_FindRefreshBlock(dev);
dev->gcChunk = 0;
+ dev->nCleanups=0;
}
if (dev->gcBlock < 1) {
dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive, background);
dev->gcChunk = 0;
+ dev->nCleanups=0;
}
if (dev->gcBlock > 0) {
int newChunkId;
yaffs_ExtendedTags newTags;
yaffs_ExtendedTags oldTags;
- YCHAR *alias = NULL;
+ const YCHAR *alias = NULL;
__u8 *buffer = NULL;
YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1];
/* process any xattrib modifications */
if(xmod)
- yaffs_ApplyXMod(dev, (char *)buffer, xmod);
+ yaffs_ApplyXMod(in, (char *)buffer, xmod);
/* Tags */
struct ylist_head *n;
yaffs_Object *l;
+ if (dev->readOnly)
+ return;
+
/* Soft delete all the unlinked files */
ylist_for_each_safe(i, n,
&dev->unlinkedDir->variant.directoryVariant.children) {
int depthLimit;
int hanging;
+ if (dev->readOnly)
+ return;
/* Iterate through the objects in each hash entry,
* looking at each object.
in->yst_rdev = oh->yst_rdev;
#endif
- yaffs_SetObjectName(in, oh->name);
+ yaffs_SetObjectNameFromOH(in, oh);
if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
in->variant.symLinkVariant.alias =
return -ENOSPC;
}
-static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod)
+static int yaffs_ApplyXMod(yaffs_Object *obj, char *buffer, yaffs_XAttrMod *xmod)
{
int retval = 0;
int x_offs = sizeof(yaffs_ObjectHeader);
+ yaffs_Device *dev = obj->myDev;
int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader);
char * x_buffer = buffer + x_offs;
else
retval = nval_del(x_buffer, x_size, xmod->name);
+ obj->hasXattr = nval_hasvalues(x_buffer, x_size);
+ obj->xattrKnown = 1;
+
xmod->result = retval;
return retval;
int x_offs = sizeof(yaffs_ObjectHeader);
int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader);
- __u8 * x_buffer;
+ char * x_buffer;
int retval = 0;
if(obj->hdrChunk < 1)
return -ENODATA;
- buffer = yaffs_GetTempBuffer(dev, __LINE__);
+ /* If we know that the object has no xattribs then don't do all the
+ * reading and parsing.
+ */
+ if(obj->xattrKnown && !obj->hasXattr){
+ if(name)
+ return -ENODATA;
+ else
+ return 0;
+ }
+
+ buffer = (char *) yaffs_GetTempBuffer(dev, __LINE__);
if(!buffer)
return -ENOMEM;
- result = yaffs_ReadChunkWithTagsFromNAND(dev,obj->hdrChunk, buffer, &tags);
+ result = yaffs_ReadChunkWithTagsFromNAND(dev,obj->hdrChunk, (__u8 *)buffer, &tags);
if(result != YAFFS_OK)
retval = -ENOENT;
else{
x_buffer = buffer + x_offs;
+ if (!obj->xattrKnown){
+ obj->hasXattr = nval_hasvalues(x_buffer, x_size);
+ obj->xattrKnown = 1;
+ }
+
if(name)
retval = nval_get(x_buffer, x_size, name, value, size);
else
retval = nval_list(x_buffer, x_size, value,size);
}
- yaffs_ReleaseTempBuffer(dev,buffer,__LINE__);
+ yaffs_ReleaseTempBuffer(dev,(__u8 *)buffer,__LINE__);
return retval;
}
/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */
/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */
/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */
-#ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG
/* yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode"); */
-#endif
+
#ifndef CONFIG_YAFFS_WINCE
yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
#endif
projects / yaffs2.git / blobdiff