Kernel/rootfs - Added GetNodeByInode support

diff --git a/KernelLand/Kernel/vfs/fs/root.c b/KernelLand/Kernel/vfs/fs/root.c
index 6aa9e28..fd667b9 100644 (file)
--- a/KernelLand/Kernel/vfs/fs/root.c
+++ b/KernelLand/Kernel/vfs/fs/root.c
@@ -18,6 +18,7 @@
 
 // === PROTOTYPES ===
 tVFS_Node      *Root_InitDevice(const char *Device, const char **Options);
+tVFS_Node      *Root_GetByINode(tVFS_Node *RootNode, Uint64 Inode);
 tVFS_Node      *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags);
 tVFS_Node      *Root_FindDir(tVFS_Node *Node, const char *Name, Uint Flags);
  int   Root_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]);
@@ -28,7 +29,8 @@ tRamFS_File   *Root_int_AllocFile(void);
 // === GLOBALS ===
 tVFS_Driver    gRootFS_Info = {
        .Name = "rootfs", 
-       .InitDevice = Root_InitDevice
+       .InitDevice = Root_InitDevice,
+       .GetNodeFromINode = Root_GetByINode
        };
 tRamFS_File    RootFS_Files[MAX_FILES];
 tVFS_ACL       RootFS_DirACLs[3] = {
@@ -83,6 +85,19 @@ tVFS_Node *Root_InitDevice(const char *Device, const char **Options)
        return &root->Node;
 }
 
+tVFS_Node *Root_GetByINode(tVFS_Node *RootNode, Uint64 Inode)
+{
+       if( Inode >= MAX_FILES )
+               return NULL;
+       if( RootFS_Files[Inode].Name[0] == '\0' )
+               return NULL;
+       Debug("Root_GetByINode: (%llx) = '%s' %p",
+               Inode,
+               RootFS_Files[Inode].Name, &RootFS_Files[Inode].Node
+               );
+       return &RootFS_Files[Inode].Node;
+}
+
 /**
  * \fn int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
  * \brief Create an entry in the root directory
@@ -112,7 +127,6 @@ tVFS_Node *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
        }
        
        child = Root_int_AllocFile();
-       memset(child, 0, sizeof(tRamFS_File));
        
        strcpy(child->Name, Name);
        LOG("Name = '%s'", child->Name);
@@ -238,9 +252,11 @@ size_t Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buff
        // Check if buffer needs to be expanded
        if(Offset + Length > Node->Size)
        {
-               void *tmp = realloc( file->Data.Bytes, Offset + Length );
+               size_t  newsize = Offset + Length;
+               void *tmp = realloc( file->Data.Bytes, newsize );
                if(tmp == NULL) {
-                       Warning("Root_Write - Increasing buffer size failed");
+                       Warning("Root_Write - Increasing buffer size failed (0x%x)",
+                               newsize);
                        LEAVE('i', -1);
                        return -1;
                }
@@ -267,6 +283,7 @@ tRamFS_File *Root_int_AllocFile(void)
        {
                if( RootFS_Files[i].Name[0] == '\0' )
                {
+                       RootFS_Files[i].Node.Inode = i;
                        return &RootFS_Files[i];
                }
        }