Correct cdrom.h comments.

@@ -66,9 +66,9 @@
 #define CDROMSUBCHNL		0x530b /* Read subchannel data 
                                            (struct cdrom_subchnl) */
 #define CDROMREADMODE2		0x530c /* Read CDROM mode 2 data (2336 Bytes) 
-                                           (struct cdrom_read) */
+                                           (struct cdrom_msf) */
 #define CDROMREADMODE1		0x530d /* Read CDROM mode 1 data (2048 Bytes)
-                                           (struct cdrom_read) */
+                                           (struct cdrom_msf) */
 #define CDROMREADAUDIO		0x530e /* (struct cdrom_read_audio) */
 #define CDROMEJECT_SW		0x530f /* enable(1)/disable(0) auto-ejecting */
 #define CDROMMULTISESSION	0x5310 /* Obtain the start-of-last-session 

@@ -82,7 +82,7 @@
 #define CDROMVOLREAD		0x5313 /* Get the drive's volume setting 
                                           (struct cdrom_volctrl) */
 #define CDROMREADRAW		0x5314	/* read data in raw mode (2352 Bytes)
-                                           (struct cdrom_read) */
+                                           (struct cdrom_msf) */
 /* 
  * These ioctls are used only used in aztcd.c and optcd.c
  */

@@ -159,7 +159,9 @@
 	int			lba;
 };
 
-/* This struct is used by the CDROMPLAYMSF ioctl */ 
+/* This struct is used by the CDROMPLAYMSF, CDROMREADRAW, CDROMREADMODE1, 
+ * and CDROMREADMODE2 ioctls.
+ */
 struct cdrom_msf 
 {
 	__u8	cdmsf_min0;	/* start minute */

@@ -219,8 +221,7 @@
 	union cdrom_addr cdte_addr;
 	__u8	cdte_datamode;
 };
-
-/* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */
+ 
 struct cdrom_read      
 {
 	int	cdread_lba;