uffs_tree.h File Reference

#include "uffs/uffs_types.h"
#include "uffs/ubuffer.h"

Go to the source code of this file.

Data Structures

struct  blocklistSt
struct  dirhSt
struct  fdataSt
struct  filehSt
struct  uffs_treeNodeSt
struct  uffs_treeSt

Defines

#define DATA_NODE_ENTRY_LEN   (DATA_NODE_HASH_MASK + 1)
#define DATA_NODE_HASH_MASK   0x1ff
#define DIR_NODE_ENTRY_LEN   (DIR_NODE_HASH_MASK + 1)
#define DIR_NODE_HASH_MASK   0x1f
#define EMPTY_NODE   0xffff
 special index num of empty node.
#define FILE_NODE_ENTRY_LEN   (FILE_NODE_HASH_MASK + 1)
#define FILE_NODE_HASH_MASK   0x3f
#define FROM_IDX(idx, dis)   ((TreeNode *)uBufGetBufByIndex(idx, dis))
#define GET_DATA_HASH(father, serial)   ((father + serial) & DATA_NODE_HASH_MASK)
#define GET_DIR_HASH(serial)   (serial & DIR_NODE_HASH_MASK)
#define GET_FILE_HASH(serial)   (serial & FILE_NODE_HASH_MASK)
#define INVALID_UFFS_SERIAL   0xffff
#define MAX_UFFS_SERIAL   0xfffe
#define ROOT_DIR_ID   0
 serial num of root dir
#define SEARCH_REGION_BAD   8
#define SEARCH_REGION_DATA   4
#define SEARCH_REGION_DIR   1
#define SEARCH_REGION_ERASED   16
#define SEARCH_REGION_FILE   2
#define SERIAL_ROOT_DIR   0
#define TO_IDX(p, dis)   ((u16)uBufGetIndex((void *)p, dis))
#define UFFS_TYPE_DATA   2
#define UFFS_TYPE_DIR   0
#define UFFS_TYPE_FILE   1
#define UFFS_TYPE_RESV   3

Typedefs

typedef uffs_treeNodeSt TreeNode

Functions

void uffs_BreakFromEntry (uffs_Device *dev, u8 type, TreeNode *node)
URET uffs_BuildTree (uffs_Device *dev)
 build tree structure from flash
UBOOL uffs_CompareFileNameWithTreeNode (uffs_Device *dev, const char *name, u32 len, u16 sum, TreeNode *node, int type)
TreeNodeuffs_FindBadNodeByBlock (uffs_Device *dev, u16 block)
TreeNodeuffs_FindDataNode (uffs_Device *dev, u16 father, u16 serial)
TreeNodeuffs_FindDataNodeByBlock (uffs_Device *dev, u16 block)
TreeNodeuffs_FindDirNodeByBlock (uffs_Device *dev, u16 block)
TreeNodeuffs_FindDirNodeByName (uffs_Device *dev, const char *name, u32 len, u16 sum, u16 father)
TreeNodeuffs_FindDirNodeFromTree (uffs_Device *dev, u16 serial)
TreeNodeuffs_FindDirNodeFromTreeWithFather (uffs_Device *dev, u16 father)
TreeNodeuffs_FindErasedNodeByBlock (uffs_Device *dev, u16 block)
TreeNodeuffs_FindFileNodeByBlock (uffs_Device *dev, u16 block)
TreeNodeuffs_FindFileNodeByName (uffs_Device *dev, const char *name, u32 len, u16 sum, u16 father)
TreeNodeuffs_FindFileNodeFromTree (uffs_Device *dev, u16 serial)
TreeNodeuffs_FindFileNodeFromTreeWithFather (uffs_Device *dev, u16 father)
u16 uffs_FindFreeFsnSerial (uffs_Device *dev)
TreeNodeuffs_FindNodeByBlock (uffs_Device *dev, u16 block, int *region)
TreeNodeuffs_GetErased (uffs_Device *dev)
URET uffs_InitTreeBuf (uffs_Device *dev)
 initialize tree buffers
void uffs_InsertNodeToTree (uffs_Device *dev, u8 type, TreeNode *node)
void uffs_InsertToBadBlockList (uffs_Device *dev, TreeNode *node)
void uffs_InsertToErasedListHead (uffs_Device *dev, TreeNode *node)
void uffs_InsertToErasedListTail (uffs_Device *dev, TreeNode *node)
URET uffs_ReleaseTreeBuf (uffs_Device *dev)
 release tree buffers, call this function when unmount
void uffs_SetTreeNodeBlock (u8 type, TreeNode *node, u16 block)


Define Documentation

#define DATA_NODE_ENTRY_LEN   (DATA_NODE_HASH_MASK + 1)

Definition at line 115 of file uffs_tree.h.

Referenced by uffs_FindDataNodeByBlock(), and uffs_InitTreeBuf().

#define DATA_NODE_HASH_MASK   0x1ff

Definition at line 114 of file uffs_tree.h.

#define DIR_NODE_ENTRY_LEN   (DIR_NODE_HASH_MASK + 1)

Definition at line 109 of file uffs_tree.h.

Referenced by uffs_FindDirNodeByBlock(), uffs_FindDirNodeByName(), uffs_FindDirNodeFromTreeWithFather(), uffs_FindFirstObject(), uffs_FindNextObject(), and uffs_InitTreeBuf().

#define DIR_NODE_HASH_MASK   0x1f

Definition at line 108 of file uffs_tree.h.

Referenced by uffs_FindDirNodeFromTree().

#define EMPTY_NODE   0xffff

special index num of empty node.

Definition at line 100 of file uffs_tree.h.

Referenced by _FindPrevNodeFromEntry(), uffs_BreakFromEntry(), uffs_FindDataNode(), uffs_FindDataNodeByBlock(), uffs_FindDirNodeByBlock(), uffs_FindDirNodeByName(), uffs_FindDirNodeFromTree(), uffs_FindDirNodeFromTreeWithFather(), uffs_FindFileNodeByBlock(), uffs_FindFileNodeByName(), uffs_FindFileNodeFromTree(), uffs_FindFileNodeFromTreeWithFather(), uffs_FindFirstObject(), uffs_FindNextObject(), and uffs_InitTreeBuf().

#define FILE_NODE_ENTRY_LEN   (FILE_NODE_HASH_MASK + 1)

Definition at line 112 of file uffs_tree.h.

Referenced by uffs_FindFileNodeByBlock(), uffs_FindFileNodeByName(), uffs_FindFileNodeFromTreeWithFather(), uffs_FindFirstObject(), and uffs_InitTreeBuf().

#define FILE_NODE_HASH_MASK   0x3f

Definition at line 111 of file uffs_tree.h.

Referenced by uffs_FindFileNodeFromTree().

#define FROM_IDX ( idx,
dis   )     ((TreeNode *)uBufGetBufByIndex(idx, dis))

Definition at line 116 of file uffs_tree.h.

Referenced by _FindPrevNodeFromEntry(), uffs_BreakFromEntry(), uffs_FindDataNode(), uffs_FindDataNodeByBlock(), uffs_FindDirNodeByBlock(), uffs_FindDirNodeByName(), uffs_FindDirNodeFromTree(), uffs_FindDirNodeFromTreeWithFather(), uffs_FindFileNodeByBlock(), uffs_FindFileNodeByName(), uffs_FindFileNodeFromTree(), uffs_FindFileNodeFromTreeWithFather(), uffs_FindFirstObject(), and uffs_FindNextObject().

#define GET_DATA_HASH ( father,
serial   )     ((father + serial) & DATA_NODE_HASH_MASK)

Definition at line 122 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry(), and uffs_FindDataNode().

#define GET_DIR_HASH ( serial   )     (serial & DIR_NODE_HASH_MASK)

Definition at line 121 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry().

#define GET_FILE_HASH ( serial   )     (serial & FILE_NODE_HASH_MASK)

Definition at line 120 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry().

#define INVALID_UFFS_SERIAL   0xffff

Definition at line 106 of file uffs_tree.h.

Referenced by uffs_FindFreeFsnSerial().

#define MAX_UFFS_SERIAL   0xfffe

Definition at line 105 of file uffs_tree.h.

Referenced by uffs_FindFreeFsnSerial().

#define ROOT_DIR_ID   0

serial num of root dir

Definition at line 102 of file uffs_tree.h.

Referenced by uffs_FindFreeFsnSerial(), uffs_InitTreeBuf(), uffs_OpenFindObject(), and uffs_RenameObject().

#define SEARCH_REGION_BAD   8

Definition at line 161 of file uffs_tree.h.

Referenced by uffs_FindNodeByBlock().

#define SEARCH_REGION_DATA   4

Definition at line 160 of file uffs_tree.h.

Referenced by uffs_FindNodeByBlock(), and uffs_RecoverBadBlock().

#define SEARCH_REGION_DIR   1

Definition at line 158 of file uffs_tree.h.

Referenced by uffs_FindNodeByBlock(), and uffs_RecoverBadBlock().

#define SEARCH_REGION_ERASED   16

Definition at line 162 of file uffs_tree.h.

Referenced by uffs_FindNodeByBlock().

#define SEARCH_REGION_FILE   2

Definition at line 159 of file uffs_tree.h.

Referenced by uffs_FindNodeByBlock(), and uffs_RecoverBadBlock().

#define SERIAL_ROOT_DIR   0

Definition at line 19 of file uffs_tree.h.

#define TO_IDX ( p,
dis   )     ((u16)uBufGetIndex((void *)p, dis))

Definition at line 117 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry().

#define UFFS_TYPE_DATA   2

Definition at line 15 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry(), uffs_BufFlush(), uffs_BufGetEx(), uffs_FindFromTree(), uffs_GetBlockFileDataLength(), uffs_InsertNodeToTree(), uffs_ReadObject(), uffs_RecoverBadBlock(), uffs_SetTreeNodeBlock(), and uffs_TruncateObject().

#define UFFS_TYPE_DIR   0

Definition at line 13 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry(), uffs_BufFlush(), uffs_BufGetEx(), uffs_CloseObject(), uffs_CompareFileNameWithTreeNode(), uffs_DeleteObject(), uffs_FindDirNodeByName(), uffs_FindFirstObject(), uffs_FindFromTree(), uffs_FindNextObject(), uffs_InsertNodeToTree(), uffs_ReadObject(), uffs_RecoverBadBlock(), uffs_RenameObject(), uffs_SeekObject(), uffs_SetTreeNodeBlock(), uffs_TruncateObject(), and uffs_WriteObject().

#define UFFS_TYPE_FILE   1

Definition at line 14 of file uffs_tree.h.

Referenced by uffs_BreakFromEntry(), uffs_BufFlush(), uffs_BufGetEx(), uffs_CloseObject(), uffs_EndOfFile(), uffs_FindFileNodeByName(), uffs_FindFirstObject(), uffs_FindFromTree(), uffs_GetBlockFileDataLength(), uffs_InsertNodeToTree(), uffs_ReadObject(), uffs_RecoverBadBlock(), and uffs_SetTreeNodeBlock().

#define UFFS_TYPE_RESV   3

Definition at line 16 of file uffs_tree.h.


Typedef Documentation

typedef struct uffs_treeNodeSt TreeNode


Function Documentation

void uffs_BreakFromEntry ( uffs_Device dev,
u8  type,
TreeNode node 
)

break the node from entry

Definition at line 889 of file uffs_tree.c.

References _FindPrevNodeFromEntry(), uffs_treeNodeSt::data, uffs_treeSt::dataEntry, uffs_treeNodeSt::dir, uffs_treeSt::dirEntry, uffs_treeSt::dis, EMPTY_NODE, fdataSt::father, uffs_treeNodeSt::file, uffs_treeSt::fileEntry, FROM_IDX, GET_DATA_HASH, GET_DIR_HASH, GET_FILE_HASH, uffs_treeNodeSt::hashNext, NULL, PFX, dirhSt::serial, filehSt::serial, fdataSt::serial, TO_IDX, uffs_DeviceSt::tree, uffs_treeNodeSt::u, UFFS_ERR_SERIOUS, uffs_Perror(), UFFS_TYPE_DATA, UFFS_TYPE_DIR, and UFFS_TYPE_FILE.

Referenced by uffs_DeleteObject(), and uffs_TruncateObject().

URET uffs_BuildTree ( uffs_Device dev  ) 

build tree structure from flash

Parameters:
[in] dev uffs device

Definition at line 770 of file uffs_tree.c.

References PFX, U_SUCC, UFFS_ERR_SERIOUS, and uffs_Perror().

Referenced by uffs_FormatDevice(), and uffs_InitDevice().

UBOOL uffs_CompareFileNameWithTreeNode ( uffs_Device dev,
const char *  name,
u32  len,
u16  sum,
TreeNode node,
int  type 
)

Definition at line 658 of file uffs_tree.c.

References dirhSt::block, filehSt::block, uffs_TagsSt::dataSum, uffs_treeNodeSt::dir, uffs_treeNodeSt::file, NULL, uffs_DeviceSt::ops, PFX, uffs_DeviceOpsSt::ReadPageData, uffs_blockInfoSt::spares, uffs_pageSpareSt::tag, uffs_treeNodeSt::u, U_FAIL, U_FALSE, U_TRUE, UFFS_ALL_PAGES, uffs_CompareFileName(), UFFS_ERR_NORMAL, UFFS_ERR_SERIOUS, uffs_FindBestPageInBlock(), uffs_GetBlockInfo(), uffs_LoadBlockInfo(), uffs_Perror(), uffs_PutBlockInfo(), and UFFS_TYPE_DIR.

Referenced by uffs_FindDirNodeByName(), and uffs_FindFileNodeByName().

TreeNode* uffs_FindBadNodeByBlock ( uffs_Device dev,
u16  block 
)

Definition at line 534 of file uffs_tree.c.

References uffs_treeSt::bad, blocklistSt::block, uffs_treeNodeSt::list, blocklistSt::next, NULL, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_FindNodeByBlock().

TreeNode* uffs_FindDataNode ( uffs_Device dev,
u16  father,
u16  serial 
)

Definition at line 482 of file uffs_tree.c.

References uffs_treeNodeSt::data, uffs_treeSt::dataEntry, uffs_treeSt::dis, EMPTY_NODE, fdataSt::father, FROM_IDX, GET_DATA_HASH, uffs_treeNodeSt::hashNext, NULL, fdataSt::serial, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_BufFlush(), uffs_FindFromTree(), uffs_ReadObject(), uffs_TruncateObject(), and uffs_WriteObject().

TreeNode* uffs_FindDataNodeByBlock ( uffs_Device dev,
u16  block 
)

Definition at line 565 of file uffs_tree.c.

References fdataSt::block, uffs_treeNodeSt::data, DATA_NODE_ENTRY_LEN, uffs_treeSt::dataEntry, uffs_treeSt::dis, EMPTY_NODE, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_FindNodeByBlock().

TreeNode* uffs_FindDirNodeByBlock ( uffs_Device dev,
u16  block 
)

Definition at line 503 of file uffs_tree.c.

References dirhSt::block, uffs_treeNodeSt::dir, DIR_NODE_ENTRY_LEN, uffs_treeSt::dirEntry, uffs_treeSt::dis, EMPTY_NODE, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_FindNodeByBlock().

TreeNode* uffs_FindDirNodeByName ( uffs_Device dev,
const char *  name,
u32  len,
u16  sum,
u16  father 
)

Definition at line 625 of file uffs_tree.c.

References dirhSt::checkSum, uffs_treeNodeSt::dir, DIR_NODE_ENTRY_LEN, uffs_treeSt::dirEntry, uffs_treeSt::dis, EMPTY_NODE, dirhSt::father, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, uffs_treeNodeSt::u, U_TRUE, uffs_CompareFileNameWithTreeNode(), and UFFS_TYPE_DIR.

TreeNode* uffs_FindDirNodeFromTree ( uffs_Device dev,
u16  serial 
)

Definition at line 414 of file uffs_tree.c.

References uffs_treeNodeSt::dir, DIR_NODE_HASH_MASK, uffs_treeSt::dirEntry, uffs_treeSt::dis, EMPTY_NODE, FROM_IDX, uffs_treeNodeSt::hashNext, NULL, dirhSt::serial, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_BufFlush(), uffs_FindFreeFsnSerial(), and uffs_FindFromTree().

TreeNode* uffs_FindDirNodeFromTreeWithFather ( uffs_Device dev,
u16  father 
)

Definition at line 435 of file uffs_tree.c.

References uffs_treeNodeSt::dir, DIR_NODE_ENTRY_LEN, uffs_treeSt::dirEntry, uffs_treeSt::dis, EMPTY_NODE, dirhSt::father, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_DeleteObject().

TreeNode* uffs_FindErasedNodeByBlock ( uffs_Device dev,
u16  block 
)

Definition at line 522 of file uffs_tree.c.

References blocklistSt::block, uffs_treeSt::erased, uffs_treeNodeSt::list, blocklistSt::next, NULL, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_FindNodeByBlock().

TreeNode* uffs_FindFileNodeByBlock ( uffs_Device dev,
u16  block 
)

Definition at line 546 of file uffs_tree.c.

References filehSt::block, uffs_treeSt::dis, EMPTY_NODE, uffs_treeNodeSt::file, FILE_NODE_ENTRY_LEN, uffs_treeSt::fileEntry, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_FindNodeByBlock().

TreeNode* uffs_FindFileNodeByName ( uffs_Device dev,
const char *  name,
u32  len,
u16  sum,
u16  father 
)

Definition at line 458 of file uffs_tree.c.

References filehSt::checkSum, uffs_treeSt::dis, EMPTY_NODE, filehSt::father, uffs_treeNodeSt::file, FILE_NODE_ENTRY_LEN, uffs_treeSt::fileEntry, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, uffs_treeNodeSt::u, U_TRUE, uffs_CompareFileNameWithTreeNode(), and UFFS_TYPE_FILE.

TreeNode* uffs_FindFileNodeFromTree ( uffs_Device dev,
u16  serial 
)

Definition at line 371 of file uffs_tree.c.

References uffs_treeSt::dis, EMPTY_NODE, uffs_treeNodeSt::file, FILE_NODE_HASH_MASK, uffs_treeSt::fileEntry, FROM_IDX, uffs_treeNodeSt::hashNext, NULL, filehSt::serial, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_BufFlush(), uffs_FindFreeFsnSerial(), and uffs_FindFromTree().

TreeNode* uffs_FindFileNodeFromTreeWithFather ( uffs_Device dev,
u16  father 
)

Definition at line 392 of file uffs_tree.c.

References uffs_treeSt::dis, EMPTY_NODE, filehSt::father, uffs_treeNodeSt::file, FILE_NODE_ENTRY_LEN, uffs_treeSt::fileEntry, FROM_IDX, uffs_treeNodeSt::hashNext, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_DeleteObject().

u16 uffs_FindFreeFsnSerial ( uffs_Device dev  ) 

find a free file or dir serial NO

Parameters:
[in] dev uffs device
Returns:
if no free serial found, return INVALID_UFFS_SERIAL

Definition at line 807 of file uffs_tree.c.

References INVALID_UFFS_SERIAL, MAX_UFFS_SERIAL, NULL, ROOT_DIR_ID, uffs_FindDirNodeFromTree(), and uffs_FindFileNodeFromTree().

TreeNode* uffs_FindNodeByBlock ( uffs_Device dev,
u16  block,
int *  region 
)

Definition at line 584 of file uffs_tree.c.

References NULL, SEARCH_REGION_BAD, SEARCH_REGION_DATA, SEARCH_REGION_DIR, SEARCH_REGION_ERASED, SEARCH_REGION_FILE, uffs_FindBadNodeByBlock(), uffs_FindDataNodeByBlock(), uffs_FindDirNodeByBlock(), uffs_FindErasedNodeByBlock(), and uffs_FindFileNodeByBlock().

Referenced by uffs_RecoverBadBlock().

TreeNode* uffs_GetErased ( uffs_Device dev  ) 

Definition at line 825 of file uffs_tree.c.

References uffs_treeSt::erased, uffs_treeSt::erased_tail, uffs_treeSt::erasedCount, uffs_treeNodeSt::list, blocklistSt::next, NULL, blocklistSt::prev, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_RecoverBadBlock().

URET uffs_InitTreeBuf ( uffs_Device dev  ) 

initialize tree buffers

Parameters:
[in] dev uffs device

Definition at line 24 of file uffs_tree.c.

References uffs_treeSt::bad, uffs_treeSt::badCount, DATA_NODE_ENTRY_LEN, uffs_treeSt::dataEntry, DIR_NODE_ENTRY_LEN, uffs_treeSt::dirEntry, uffs_treeSt::dis, EMPTY_NODE, uffs_partitionSt::end, uffs_treeSt::erased, uffs_treeSt::erased_tail, uffs_treeSt::erasedCount, FILE_NODE_ENTRY_LEN, uffs_treeSt::fileEntry, uffs_treeSt::maxSerialNo, ubufm::node_nums, ubufm::node_pool, ubufm::node_size, NULL, uffs_DeviceSt::par, PFX, ROOT_DIR_ID, uffs_partitionSt::start, uffs_DeviceSt::tree, U_FAIL, U_SUCC, uBufInit(), UFFS_ERR_SERIOUS, uffs_MemAlloc(), and uffs_Perror().

Referenced by uffs_FormatDevice(), and uffs_InitDevice().

void uffs_InsertNodeToTree ( uffs_Device dev,
u8  type,
TreeNode node 
)

insert a TreeNode *node to tree

Parameters:
[in] dev uffs device
[in] type type of node
[in] node node to be insert to

Definition at line 134 of file uffs_tree.c.

References PFX, UFFS_ERR_SERIOUS, uffs_Perror(), UFFS_TYPE_DATA, UFFS_TYPE_DIR, and UFFS_TYPE_FILE.

void uffs_InsertToBadBlockList ( uffs_Device dev,
TreeNode node 
)

Definition at line 983 of file uffs_tree.c.

References uffs_treeSt::bad, uffs_treeSt::badCount, uffs_treeNodeSt::list, blocklistSt::next, NULL, blocklistSt::prev, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_RecoverBadBlock().

void uffs_InsertToErasedListHead ( uffs_Device dev,
TreeNode node 
)

Definition at line 947 of file uffs_tree.c.

References uffs_treeSt::erased, uffs_treeSt::erased_tail, uffs_treeSt::erasedCount, uffs_treeNodeSt::list, blocklistSt::next, NULL, blocklistSt::prev, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

void uffs_InsertToErasedListTail ( uffs_Device dev,
TreeNode node 
)

Definition at line 965 of file uffs_tree.c.

References uffs_treeSt::erased, uffs_treeSt::erased_tail, uffs_treeSt::erasedCount, uffs_treeNodeSt::list, blocklistSt::next, NULL, blocklistSt::prev, uffs_DeviceSt::tree, and uffs_treeNodeSt::u.

Referenced by uffs_DeleteObject(), uffs_RecoverBadBlock(), and uffs_TruncateObject().

URET uffs_ReleaseTreeBuf ( uffs_Device dev  ) 

release tree buffers, call this function when unmount

Parameters:
[in] dev uffs device

Definition at line 72 of file uffs_tree.c.

References uffs_treeSt::dis, ubufm::node_pool, uffs_DeviceSt::tree, U_SUCC, and uffs_MemFree().

Referenced by uffs_FormatDevice(), and uffs_ReleaseDevice().

void uffs_SetTreeNodeBlock ( u8  type,
TreeNode node,
u16  block 
)

set tree node block value

Definition at line 999 of file uffs_tree.c.

References filehSt::block, dirhSt::block, fdataSt::block, uffs_treeNodeSt::data, uffs_treeNodeSt::dir, uffs_treeNodeSt::file, uffs_treeNodeSt::u, UFFS_TYPE_DATA, UFFS_TYPE_DIR, and UFFS_TYPE_FILE.


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