// Data
        int dataOffset = offset + 16 + nameLen;
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment
        
        writeInt8(buffer, dataOffset, timeout);  // Timeout
        writeInt4(buffer, dataOffset + 8, flags);  // Flags
        writeInt8(buffer, dataOffset + 12, 0);  // Reserved
        System.arraycopy(createGuid.toBytes(), 0, buffer, dataOffset + 20, 16);  // CreateGuid
    }
}
```

        SMBUtil.writeInt2(49, dst, dstIndex);
        final int dataOffsetOffset = dstIndex + 2;
        dstIndex += 4;
        SMBUtil.writeInt4(this.dataLength, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.offset, dst, dstIndex);
        dstIndex += 8;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;
        SMBUtil.writeInt4(this.channel, dst, dstIndex);
        dstIndex += 4;

        dst[dstIndex + 3] = this.requestedOplockLevel;
        dstIndex += 4;

        SMBUtil.writeInt4(this.impersonationLevel, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.smbCreateFlags, dst, dstIndex);
        dstIndex += 8;
        dstIndex += 8; // Reserved

        SMBUtil.writeInt4(this.desiredAccess, dst, dstIndex);
        dstIndex += 4;

        
        // CacheScope (4 bytes)
        writeInt4(buffer, dataOffset, cacheScope.ordinal());
        dataOffset += 4;
        
        // MaxCacheAge (8 bytes)
        writeInt8(buffer, dataOffset, maxCacheAge);
        dataOffset += 8;
        
        // Flags (4 bytes)
        int flags = 0;
        if (cacheScope == DirectoryCacheScope.RECURSIVE_TREE) {

    
    if (rdmaChannelInfo != null) {
        // Add RDMA read channel info
        writeInt4(dst, dstIndex + written, rdmaChannelInfo.getRemoteKey());
        written += 4;
        writeInt8(dst, dstIndex + written, rdmaChannelInfo.getAddress());
        written += 8;
        writeInt4(dst, dstIndex + written, rdmaChannelInfo.getLength());
        written += 4;
    }
    
    return written;
}

        
        // Capability (4 bytes)
        writeInt4(buffer, 4, capability);
        
        // Reserved (4 bytes)
        writeInt4(buffer, 8, 0);
        
        // LinkSpeed (8 bytes)
        writeInt8(buffer, 12, linkSpeed * 1000000L);  // Convert to bps
        
        // SockaddrStorage (128 bytes)
        encodeSockaddr(buffer, 20);
        
        return buffer;
    }
    

        SMBUtil.writeInt4(0xAABBCCDD, flagData, 0);
        byte[] avFlagsData = createAvPairData(AvPair.MsvAvFlags, flagData);

        byte[] timestampData = new byte[8];
        SMBUtil.writeInt8(0x0123456789ABCDEFL, timestampData, 0);
        byte[] avTimestampData = createAvPairData(AvPair.MsvAvTimestamp, timestampData);

        byte[] targetNameData = "TEST".getBytes();