New ioctls in cdrom.c

<BODY bgcolor="#ffeee0" text="#000000" link="#9944EE" vlink="#FF0000" alink="#00ff00">  <A HREF="node33_mn.html" TARGET="_top"> <IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> <A HREF="node29_mn.html" TARGET="_top"> <IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> <A HREF="node31_mn.html" TARGET="_top"> <IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev.png"></A> <BR> <B> Next:</B> <A HREF="node33_mn.html" TARGET="_top">Device dependent iocts</A> <B> Up:</B> <A HREF="node29_mn.html" TARGET="_top">Int cdrom<SUB>i</SUB>octl (struct inode*ip, struct file*fp, unsigned int cmd,</A> <B> Previous:</B> <A HREF="node31_mn.html" TARGET="_top">Ioctls rooted through audio<SUB>i</SUB>octl</A> <BR> <BR> <P> Sorry, this requires a browser that supports frames! <BR> Try <A HREF="node32_ct.html">node32_ct.html</A> instead.</P> <HR>