#include "yaffs_nand.h"
#include "yaffs_packedtags2.h"
+#include "yaffs_nameval.h"
+#include "yaffs_allocator.h"
/* Note YAFFS_GC_GOOD_ENOUGH must be <= YAFFS_GC_PASSIVE_THRESHOLD */
#define YAFFS_GC_GOOD_ENOUGH 2
#define YAFFS_SMALL_HOLE_THRESHOLD 3
+/*
+ * Checkpoints are really no benefit on very small partitions.
+ *
+ * To save space on small partitions don't bother with checkpoints unless
+ * the partition is at least this big.
+ */
+#define YAFFS_CHECKPOINT_MIN_BLOCKS 60
+
#include "yaffs_ecc.h"
+/* Private structure for doing xattr modifications */
+typedef struct {
+ int set; /* If 0 then this is a deletion */
+ const char *name;
+ const void *data;
+ int size;
+ int flags;
+ int result;
+} yaffs_XAttrMod;
/* Robustification (if it ever comes about...) */
static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
yaffs_Object *obj);
static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
- int force, int isShrink, int shadows);
+ int force, int isShrink, int shadows, yaffs_XAttrMod *xop);
+static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod);
+
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);
}
-
+#if 0
+/* Not being used, but don't want to throw away yet */
static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
__u32 level, int chunkOffset)
{
}
+#endif
static void yaffs_VerifyFile(yaffs_Object *obj)
{
* in the tnode.
*/
-/* yaffs_CreateTnodes creates a bunch more tnodes and
- * adds them to the tnode free list.
- * Don't use this function directly
- */
-static Y_INLINE int yaffs_CalcTnodeSize(yaffs_Device *dev)
-{
- int tnodeSize;
- /* Calculate the tnode size in bytes for variable width tnode support.
- * Must be a multiple of 32-bits */
- tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
- if (tnodeSize < sizeof(yaffs_Tnode))
- tnodeSize = sizeof(yaffs_Tnode);
- return tnodeSize;
-}
-static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
+static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
{
- int i;
- int tnodeSize = yaffs_CalcTnodeSize(dev);
- yaffs_Tnode *newTnodes;
- __u8 *mem;
- yaffs_Tnode *curr;
- yaffs_Tnode *next;
- yaffs_TnodeList *tnl;
-
- if (nTnodes < 1)
- return YAFFS_OK;
-
-
- /* make these things */
-
- newTnodes = YMALLOC(nTnodes * tnodeSize);
- mem = (__u8 *)newTnodes;
-
- if (!newTnodes) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
- return YAFFS_FAIL;
+ yaffs_Tnode *tn = yaffs_AllocateRawTnode(dev);
+ if (tn){
+ memset(tn, 0, dev->tnodeSize);
+ dev->nTnodes++;
}
- /* Hook them into the free list */
-#if 0
- for (i = 0; i < nTnodes - 1; i++) {
- newTnodes[i].internal[0] = &newTnodes[i + 1];
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- newTnodes[i].internal[YAFFS_NTNODES_INTERNAL] = (void *)1;
-#endif
- }
-
- newTnodes[nTnodes - 1].internal[0] = dev->freeTnodes;
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- newTnodes[nTnodes - 1].internal[YAFFS_NTNODES_INTERNAL] = (void *)1;
-#endif
- dev->freeTnodes = newTnodes;
-#else
- /* New hookup for wide tnodes */
- for (i = 0; i < nTnodes - 1; i++) {
- curr = (yaffs_Tnode *) &mem[i * tnodeSize];
- next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize];
- curr->internal[0] = next;
- }
-
- curr = (yaffs_Tnode *) &mem[(nTnodes - 1) * tnodeSize];
- curr->internal[0] = dev->freeTnodes;
- dev->freeTnodes = (yaffs_Tnode *)mem;
-
-#endif
-
-
- dev->nFreeTnodes += nTnodes;
- dev->nTnodesCreated += nTnodes;
-
- /* Now add this bunch of tnodes to a list for freeing up.
- * NB If we can't add this to the management list it isn't fatal
- * but it just means we can't free this bunch of tnodes later.
- */
-
- tnl = YMALLOC(sizeof(yaffs_TnodeList));
- if (!tnl) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs: Could not add tnodes to management list" TENDSTR)));
- return YAFFS_FAIL;
- } else {
- tnl->tnodes = newTnodes;
- tnl->next = dev->allocatedTnodeList;
- dev->allocatedTnodeList = tnl;
- }
-
- T(YAFFS_TRACE_ALLOCATE, (TSTR("yaffs: Tnodes added" TENDSTR)));
-
- return YAFFS_OK;
-}
-
-/* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */
-
-static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev)
-{
- yaffs_Tnode *tn = NULL;
-
-#ifdef CONFIG_YAFFS_VALGRIND_TEST
- tn = YMALLOC(yaffs_CalcTnodeSize(dev));
- if(tn)
- dev->nTnodesCreated++;
-#else
- /* If there are none left make more */
- if (!dev->freeTnodes)
- yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
-
- if (dev->freeTnodes) {
- tn = dev->freeTnodes;
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- if (tn->internal[YAFFS_NTNODES_INTERNAL] != (void *)1) {
- /* Hoosterman, this thing looks like it isn't in the list */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: Tnode list bug 1" TENDSTR)));
- }
-#endif
- dev->freeTnodes = dev->freeTnodes->internal[0];
- dev->nFreeTnodes--;
- }
-#endif
dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
return tn;
}
-static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
-{
- yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev);
- int tnodeSize = yaffs_CalcTnodeSize(dev);
-
- if (tn)
- memset(tn, 0, tnodeSize);
-
- return tn;
-}
-
/* FreeTnode frees up a tnode and puts it back on the free list */
static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
{
- if (tn) {
-#ifdef CONFIG_YAFFS_VALGRIND_TEST
- YFREE(tn);
- dev->nTnodesCreated--;
-#else
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- if (tn->internal[YAFFS_NTNODES_INTERNAL] != 0) {
- /* Hoosterman, this thing looks like it is already in the list */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: Tnode list bug 2" TENDSTR)));
- }
- tn->internal[YAFFS_NTNODES_INTERNAL] = (void *)1;
-#endif
- tn->internal[0] = dev->freeTnodes;
- dev->freeTnodes = tn;
- dev->nFreeTnodes++;
-#endif
- }
+ yaffs_FreeRawTnode(dev,tn);
+ dev->nTnodes--;
dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
}
-static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
+static void yaffs_DeinitialiseTnodesAndObjects(yaffs_Device *dev)
{
- /* Free the list of allocated tnodes */
- yaffs_TnodeList *tmp;
-
- while (dev->allocatedTnodeList) {
- tmp = dev->allocatedTnodeList->next;
-
- YFREE(dev->allocatedTnodeList->tnodes);
- YFREE(dev->allocatedTnodeList);
- dev->allocatedTnodeList = tmp;
-
- }
-
- dev->freeTnodes = NULL;
- dev->nFreeTnodes = 0;
- dev->nTnodesCreated = 0;
-}
-
-static void yaffs_InitialiseTnodes(yaffs_Device *dev)
-{
- dev->allocatedTnodeList = NULL;
- dev->freeTnodes = NULL;
- dev->nFreeTnodes = 0;
- dev->nTnodesCreated = 0;
+ yaffs_DeinitialiseRawTnodesAndObjects(dev);
+ dev->nObjects = 0;
+ dev->nTnodes = 0;
}
return -1;
}
-
+#if 0
+/* Experimental code not being used yet. Might speed up file deletion */
/* DeleteWorker scans backwards through the tnode tree and deletes all the
- * chunks and tnodes in the file
+ * 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.
*/
}
+#endif
+
static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk)
{
yaffs_BlockInfo *theBlock;
hasData++;
}
} else {
- int tnodeSize_u32 = yaffs_CalcTnodeSize(dev)/sizeof(__u32);
+ int tnodeSize_u32 = dev->tnodeSize/sizeof(__u32);
__u32 *map = (__u32 *)tn;
for(i = 0; !hasData && i < tnodeSize_u32; i++){
/*-------------------- End of File Structure functions.-------------------*/
-/* yaffs_CreateFreeObjects creates a bunch more objects and
- * adds them to the object free list.
- */
-static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects)
-{
- int i;
- yaffs_Object *newObjects;
- yaffs_ObjectList *list;
-
- if (nObjects < 1)
- return YAFFS_OK;
-
- /* make these things */
- newObjects = YMALLOC(nObjects * sizeof(yaffs_Object));
- list = YMALLOC(sizeof(yaffs_ObjectList));
-
- if (!newObjects || !list) {
- if (newObjects){
- YFREE(newObjects);
- newObjects = NULL;
- }
- if (list){
- YFREE(list);
- list = NULL;
- }
- T(YAFFS_TRACE_ALLOCATE,
- (TSTR("yaffs: Could not allocate more objects" TENDSTR)));
- return YAFFS_FAIL;
- }
-
- /* Hook them into the free list */
- for (i = 0; i < nObjects - 1; i++) {
- newObjects[i].siblings.next =
- (struct ylist_head *)(&newObjects[i + 1]);
- }
-
- newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects;
- dev->freeObjects = newObjects;
- dev->nFreeObjects += nObjects;
- dev->nObjectsCreated += nObjects;
-
- /* Now add this bunch of Objects to a list for freeing up. */
-
- list->objects = newObjects;
- list->next = dev->allocatedObjectList;
- dev->allocatedObjectList = list;
-
- return YAFFS_OK;
-}
-
/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev)
{
- yaffs_Object *tn = NULL;
+ yaffs_Object *obj = yaffs_AllocateRawObject(dev);
-#ifdef CONFIG_YAFFS_VALGRIND_TEST
- tn = YMALLOC(sizeof(yaffs_Object));
- if(tn)
- dev->nObjectsCreated++;
-#else
- /* If there are none left make more */
- if (!dev->freeObjects)
- yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS);
+ if (obj) {
+ dev->nObjects++;
- if (dev->freeObjects) {
- tn = dev->freeObjects;
- dev->freeObjects =
- (yaffs_Object *) (dev->freeObjects->siblings.next);
- dev->nFreeObjects--;
- }
-#endif
- if (tn) {
/* Now sweeten it up... */
- memset(tn, 0, sizeof(yaffs_Object));
- tn->beingCreated = 1;
+ memset(obj, 0, sizeof(yaffs_Object));
+ obj->beingCreated = 1;
- tn->myDev = dev;
- tn->hdrChunk = 0;
- tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
- YINIT_LIST_HEAD(&(tn->hardLinks));
- YINIT_LIST_HEAD(&(tn->hashLink));
- YINIT_LIST_HEAD(&tn->siblings);
+ obj->myDev = dev;
+ obj->hdrChunk = 0;
+ obj->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
+ YINIT_LIST_HEAD(&(obj->hardLinks));
+ YINIT_LIST_HEAD(&(obj->hashLink));
+ YINIT_LIST_HEAD(&obj->siblings);
/* Now make the directory sane */
if (dev->rootDir) {
- tn->parent = dev->rootDir;
- ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children);
+ obj->parent = dev->rootDir;
+ ylist_add(&(obj->siblings), &dev->rootDir->variant.directoryVariant.children);
}
/* Add it to the lost and found directory.
* check if lostNFound exists first
*/
if (dev->lostNFoundDir)
- yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn);
+ yaffs_AddObjectToDirectory(dev->lostNFoundDir, obj);
- tn->beingCreated = 0;
+ obj->beingCreated = 0;
}
dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
- return tn;
+ return obj;
}
static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number,
}
-static void yaffs_UnhashObject(yaffs_Object *tn)
+static void yaffs_UnhashObject(yaffs_Object *obj)
{
int bucket;
- yaffs_Device *dev = tn->myDev;
+ yaffs_Device *dev = obj->myDev;
/* If it is still linked into the bucket list, free from the list */
- if (!ylist_empty(&tn->hashLink)) {
- ylist_del_init(&tn->hashLink);
- bucket = yaffs_HashFunction(tn->objectId);
+ if (!ylist_empty(&obj->hashLink)) {
+ ylist_del_init(&obj->hashLink);
+ bucket = yaffs_HashFunction(obj->objectId);
dev->objectBucket[bucket].count--;
}
}
/* FreeObject frees up a Object and puts it back on the free list */
-static void yaffs_FreeObject(yaffs_Object *tn)
+static void yaffs_FreeObject(yaffs_Object *obj)
{
- yaffs_Device *dev = tn->myDev;
+ yaffs_Device *dev = obj->myDev;
- T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode));
+ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), obj, obj->myInode));
- if (!tn)
+ if (!obj)
YBUG();
- if (tn->parent)
+ if (obj->parent)
YBUG();
- if (!ylist_empty(&tn->siblings))
+ if (!ylist_empty(&obj->siblings))
YBUG();
- if (tn->myInode) {
+ if (obj->myInode) {
/* We're still hooked up to a cached inode.
* Don't delete now, but mark for later deletion
*/
- tn->deferedFree = 1;
+ obj->deferedFree = 1;
return;
}
- yaffs_UnhashObject(tn);
-
-#ifdef CONFIG_YAFFS_VALGRIND_TEST
- YFREE(tn);
- dev->nObjectsCreated--;
- tn = NULL;
-#else
- /* Link into the free list. */
- tn->siblings.next = (struct ylist_head *)(dev->freeObjects);
- dev->freeObjects = tn;
- dev->nFreeObjects++;
-#endif
+ yaffs_UnhashObject(obj);
+
+ yaffs_FreeRawObject(dev,obj);
+ dev->nObjects--;
dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
}
yaffs_FreeObject(obj);
}
-
-static void yaffs_DeinitialiseObjects(yaffs_Device *dev)
-{
- /* Free the list of allocated Objects */
-
- yaffs_ObjectList *tmp;
-
- while (dev->allocatedObjectList) {
- tmp = dev->allocatedObjectList->next;
- YFREE(dev->allocatedObjectList->objects);
- YFREE(dev->allocatedObjectList);
-
- dev->allocatedObjectList = tmp;
- }
-
- dev->freeObjects = NULL;
- dev->nFreeObjects = 0;
- dev->nObjectsCreated = 0;
-}
-
-static void yaffs_InitialiseObjects(yaffs_Device *dev)
+static void yaffs_InitialiseTnodesAndObjects(yaffs_Device *dev)
{
int i;
- dev->allocatedObjectList = NULL;
- dev->freeObjects = NULL;
- dev->nFreeObjects = 0;
+ dev->nObjects = 0;
+ dev->nTnodes = 0;
+
+ yaffs_InitialiseRawTnodesAndObjects(dev);
for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
YINIT_LIST_HEAD(&dev->objectBucket[i].list);
break;
}
- if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) {
+ if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0, NULL) < 0) {
/* Could not create the object header, fail the creation */
yaffs_DeleteObject(in);
in = NULL;
obj->unlinked = 1;
/* If it is a deletion then we mark it as a shrink for gc purposes. */
- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0)
+ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows, NULL) >= 0)
return YAFFS_OK;
}
+static int yaffs_CheckpointRequired(yaffs_Device *dev)
+{
+ int nblocks = dev->internalEndBlock - dev->internalStartBlock + 1 ;
+ return dev->param.isYaffs2 &&
+ !dev->param.skipCheckpointWrite &&
+ (nblocks >= YAFFS_CHECKPOINT_MIN_BLOCKS);
+}
static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev)
{
if (!dev->nCheckpointBlocksRequired &&
- dev->param.isYaffs2) {
+ yaffs_CheckpointRequired(dev)){
/* Not a valid value so recalculate */
int nBytes = 0;
int nBlocks;
int devBlocks = (dev->param.endBlock - dev->param.startBlock + 1);
- int tnodeSize = yaffs_CalcTnodeSize(dev);
nBytes += sizeof(yaffs_CheckpointValidity);
nBytes += sizeof(yaffs_CheckpointDevice);
nBytes += devBlocks * sizeof(yaffs_BlockInfo);
nBytes += devBlocks * dev->chunkBitmapStride;
- nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects);
- nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes);
+ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjects);
+ nBytes += (dev->tnodeSize + sizeof(__u32)) * (dev->nTnodes);
nBytes += sizeof(yaffs_CheckpointValidity);
nBytes += sizeof(__u32); /* checksum*/
* If name is not NULL, then that new name is used.
*/
int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
- int isShrink, int shadows)
+ int isShrink, int shadows, yaffs_XAttrMod *xmod)
{
yaffs_BlockInfo *bi;
if (!in->fake ||
in == dev->rootDir || /* The rootDir should also be saved */
- force) {
+ force || xmod) {
yaffs_CheckGarbageCollection(dev,0);
yaffs_CheckObjectDetailsLoaded(in);
yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
memcpy(oldName, oh->name, sizeof(oh->name));
- }
-
- memset(buffer, 0xFF, dev->nDataBytesPerChunk);
+ memset(buffer, 0xFF, sizeof(yaffs_ObjectHeader));
+ } else
+ memset(buffer, 0xFF, dev->nDataBytesPerChunk);
oh->type = in->variantType;
oh->yst_mode = in->yst_mode;
break;
}
+ /* process any xattrib modifications */
+ if(xmod)
+ yaffs_ApplyXMod(dev, (char *)buffer, xmod);
+
+
/* Tags */
yaffs_InitialiseTags(&newTags);
in->serial++;
int i;
yaffs_Device *dev = in->myDev;
int ok = 1;
- int tnodeSize = yaffs_CalcTnodeSize(dev);
if (tn) {
if (level > 0) {
__u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS;
ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
if (ok)
- ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize);
+ ok = (yaffs_CheckpointWrite(dev, tn, dev->tnodeSize) == dev->tnodeSize);
}
}
yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant;
yaffs_Tnode *tn;
int nread = 0;
- int tnodeSize = yaffs_CalcTnodeSize(dev);
ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
/* Read level 0 tnode */
- tn = yaffs_GetTnodeRaw(dev);
- if (tn)
- ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize);
- else
+ tn = yaffs_GetTnode(dev);
+ if (tn){
+ ok = (yaffs_CheckpointRead(dev, tn, dev->tnodeSize) == dev->tnodeSize);
+ } else
ok = 0;
if (tn && ok)
{
int ok = 1;
- if (dev->param.skipCheckpointWrite || !dev->param.isYaffs2) {
+ if (!yaffs_CheckpointRequired(dev)) {
T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
ok = 0;
}
obj->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
obj->parent->objectId != YAFFS_OBJECTID_DELETED){
/* Write a hole start header with the old file size */
- yaffs_UpdateObjectHeader(obj, NULL, 0,1,0);
+ yaffs_UpdateObjectHeader(obj, NULL, 0, 1, 0, NULL);
}
return result;
!in->isShadowed &&
in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
in->parent->objectId != YAFFS_OBJECTID_DELETED)
- yaffs_UpdateObjectHeader(in, NULL, 0,0,0);
+ yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL);
return YAFFS_OK;
#endif
}
- retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
+ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL) >=
0) ? YAFFS_OK : YAFFS_FAIL;
}
} else {
int yaffs_DeleteFile(yaffs_Object *in)
{
int retVal = YAFFS_OK;
- int deleted = in->deleted;
+ int deleted; /* Need to cache value on stack if in is freed */
yaffs_Device *dev = in->myDev;
if (dev->param.disableSoftDelete || dev->param.isYaffs2)
if (!in->unlinked)
retVal = yaffs_UnlinkFileIfNeeded(in);
+ deleted = in->deleted;
+
if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
in->deleted = 1;
deleted = 1;
obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
if (obj)
- yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0, NULL);
YFREE(fixer);
}
}
} else
- yaffs_UpdateObjectHeader(obj,NULL,0,0,0);
+ yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, NULL);
}
void yaffs_UpdateDirtyDirectories(yaffs_Device *dev)
T(YAFFS_TRACE_BACKGROUND, (TSTR("Update directory %d" TENDSTR), obj->objectId));
if(obj->dirty)
- yaffs_UpdateObjectHeader(obj,NULL,0,0,0);
+ yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, NULL);
}
}
if (valid & ATTR_SIZE)
yaffs_ResizeFile(obj, attr->ia_size);
- yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0, NULL);
return YAFFS_OK;
#endif
+
+static int yaffs_DoXMod(yaffs_Object *obj, int set, const char *name, const void *value, int size, int flags)
+{
+ yaffs_XAttrMod xmod;
+
+ int result;
+
+ xmod.set = set;
+ xmod.name = name;
+ xmod.data = value;
+ xmod.size = size;
+ xmod.flags = flags;
+ xmod.result = -ENOSPC;
+
+ result = yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, &xmod);
+
+ if(result > 0)
+ return xmod.result;
+ else
+ return -ENOSPC;
+}
+
+static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod)
+{
+ int retval = 0;
+ int x_offs = sizeof(yaffs_ObjectHeader);
+ int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader);
+
+ char * x_buffer = buffer + x_offs;
+
+ if(xmod->set)
+ retval = nval_set(x_buffer, x_size, xmod->name, xmod->data, xmod->size, xmod->flags);
+ else
+ retval = nval_del(x_buffer, x_size, xmod->name);
+
+ xmod->result = retval;
+
+ return retval;
+}
+
+static int yaffs_DoXFetch(yaffs_Object *obj, const char *name, void *value, int size)
+{
+ char *buffer = NULL;
+ int result;
+ yaffs_ExtendedTags tags;
+ yaffs_Device *dev = obj->myDev;
+ int x_offs = sizeof(yaffs_ObjectHeader);
+ int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader);
+
+ __u8 * x_buffer;
+
+ int retval = 0;
+
+ if(obj->hdrChunk < 1)
+ return -ENOENT;
+
+ buffer = yaffs_GetTempBuffer(dev, __LINE__);
+ if(!buffer)
+ return -ENOMEM;
+
+ result = yaffs_ReadChunkWithTagsFromNAND(dev,obj->hdrChunk, buffer, &tags);
+
+ if(result != YAFFS_OK)
+ retval = -ENOENT;
+ else{
+ x_buffer = buffer + x_offs;
+
+ 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__);
+ return retval;
+}
+
+int yaffs_SetXAttribute(yaffs_Object *obj, const char *name, const void * value, int size, int flags)
+{
+ return yaffs_DoXMod(obj, 1, name, value, size, flags);
+}
+
+int yaffs_RemoveXAttribute(yaffs_Object *obj, const char *name)
+{
+ return yaffs_DoXMod(obj, 0, name, NULL, 0, 0);
+}
+
+int yaffs_GetXAttribute(yaffs_Object *obj, const char *name, void *value, int size)
+{
+ return yaffs_DoXFetch(obj, name, value, size);
+}
+
+int yaffs_ListXAttributes(yaffs_Object *obj, char *buffer, int size)
+{
+ return yaffs_DoXFetch(obj, NULL, buffer,size);
+}
+
+
+
#if 0
int yaffs_DumpObject(yaffs_Object *obj)
{
else
dev->chunkGroupBits = bits - dev->tnodeWidth;
+ dev->tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
+ if(dev->tnodeSize < sizeof(yaffs_Tnode))
+ dev->tnodeSize = sizeof(yaffs_Tnode);
dev->chunkGroupSize = 1 << dev->chunkGroupBits;
if (!init_failed && !yaffs_InitialiseBlocks(dev))
init_failed = 1;
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
+ yaffs_InitialiseTnodesAndObjects(dev);
if (!init_failed && !yaffs_CreateInitialDirectories(dev))
init_failed = 1;
* and scan backwards.
*/
yaffs_DeinitialiseBlocks(dev);
- yaffs_DeinitialiseTnodes(dev);
- yaffs_DeinitialiseObjects(dev);
+ yaffs_DeinitialiseTnodesAndObjects(dev);
dev->nErasedBlocks = 0;
dev->nFreeChunks = 0;
if (!init_failed && !yaffs_InitialiseBlocks(dev))
init_failed = 1;
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
+ yaffs_InitialiseTnodesAndObjects(dev);
if (!init_failed && !yaffs_CreateInitialDirectories(dev))
init_failed = 1;
int i;
yaffs_DeinitialiseBlocks(dev);
- yaffs_DeinitialiseTnodes(dev);
- yaffs_DeinitialiseObjects(dev);
+ yaffs_DeinitialiseTnodesAndObjects(dev);
if (dev->param.nShortOpCaches > 0 &&
dev->srCache) {
projects / yaffs2.git / blobdiff