Changeset 783

Timestamp:

07/13/08 20:42:02 (5 months ago)

Author:

mwhitworth

Message:

Add to various structures in header.

Files:

• Whitix/branches/fs/fs/ext3/ext3.h (modified) (6 diffs)

Whitix/branches/fs/fs/ext3/ext3.h

@@ -28 +28 @@
 
 #define EXT3_FEATURE_COMPAT(sb, feature) ((sb)->featureCompat & (feature))
+
+/* Journal block defines. */
+#define EXT3_SINGLE_DATA_TRANS          8
+#define EXT3_DATA_TRANS                         (3*EXT3_SINGLE_DATA_TRANS-2)
+#define EXT3_RESERVE_TRANS_BLOCKS       12
 
 struct Ext3SuperBlock
@@ -95 +100 @@
         DWORD firstDataBlock, blocksPerGrp;
         struct Buffer** descs;
+        
+        DWORD sbSector;
+        struct Buffer* sbBuffer;
+        struct Ext3SuperBlock* super;
+        
         struct Journal* journal;
 };
@@ -101 +111 @@
 {
         DWORD blocks[15];
+        DWORD blockGroup;
 };
 
@@ -145 +156 @@
 }PACKED;
 
+#define EXT3_DIR_REC_LEN(nameLen)       (((nameLen) + 8 + 3) & ~3)
+
+#define EXT3_FT_UNKNOWN         0
+#define EXT3_FT_FILE            1
+#define EXT3_FT_DIR                     2
+
+static inline DWORD Ext3SetFileType(DWORD mode)
+{
+        if (mode & VFS_ATTR_FILE)
+                return EXT3_FT_FILE;
+        else if (mode & VFS_ATTR_DIR)
+                return EXT3_FT_DIR;
+        else
+                return EXT3_FT_UNKNOWN;
+}
+
 /*
  * DirEntry describes Directory, which are special kind of file
@@ -166 +193 @@
 int Ext3BlockMap(struct VNode* vNode, DWORD block, int flags);
 struct Buffer* Ext3BlockRead(struct VNode* vNode,int block);
+int Ext3Create(struct VNode** retVal,struct VNode* dir,char* name,int nameLength);
+int Ext3Truncate(struct VNode* vNode, int size);
 
 int Ext3FileWrite(struct File* file,BYTE* buffer,DWORD len);
@@ -181 +210 @@
 #define EXT3_JOURNAL(vNode) (EXT3_SUPERINFO((vNode)->superBlock)->journal)
 
+#define EXT3_INFO(vNode) ((struct Ext3INodeInfo*)(vNode->extraInfo))
+
 #define EXT3_SB_MAGIC   0xEF53
 #define EXT3_ROOT_VNO   2