bool ext2_write_inode	(	PEXT2_FILESYS	Ext2Sys,
		ULONG	ino,
		ULONG	offset,
		PVOID	Buffer,
		ULONG	size,
		PULONG	dwReturn
	)

Definition at line 544 of file Inode.c.

Referenced by ext2_add_entry().

{
    PEXT2_BDL   ext2_bdl = NULL;
    ULONG       blocks, i;
    bool        bRet = true;
    EXT2_INODE  inode;
    ULONG       dwTotal = 0;
    ULONG       dwBlk = 0;
    ULONG       TotalBlks;

    blocks =  (size + offset + Ext2Sys->blocksize - 1) / Ext2Sys->blocksize;

    if (!ext2_load_inode(Ext2Sys, ino, &inode))
    {
        return false;
    }

    TotalBlks = inode.i_blocks / (Ext2Sys->blocksize / SECTOR_SIZE);
    TotalBlks = Ext2DataBlocks(Ext2Sys, TotalBlks);

    if (blocks > TotalBlks)
    {
        for (i=0; i < (blocks - TotalBlks);  i++)
        {
            if (ext2_alloc_block(Ext2Sys, 0, &dwBlk) )
            {
                ext2_expand_inode(Ext2Sys, &inode, dwBlk);
                inode.i_blocks += (Ext2Sys->blocksize/SECTOR_SIZE);
            }
        }
    }

    blocks = ext2_build_bdl(Ext2Sys, &inode, offset, size, &ext2_bdl);

    if (blocks <= 0)
        return  false;
    
    for(i = 0; i < blocks; i++)
    {
        bRet = NT_SUCCESS(Ext2WriteDisk(
                Ext2Sys,
                ext2_bdl[i].Lba, 
                ext2_bdl[i].Length,
                (PUCHAR)Buffer + ext2_bdl[i].Offset
               ));

        if (!bRet)
        {
            goto errorout;
        }

        dwTotal += ext2_bdl[i].Length;
    }

    *dwReturn = dwTotal;

    if (size + offset > inode.i_size)
    {
        inode.i_size = size + offset;
    }

    ext2_save_inode(Ext2Sys, ino, &inode);


errorout:
   
    if (ext2_bdl)
        RtlFreeHeap(RtlGetProcessHeap(), 0, ext2_bdl);

    return bRet;
}

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