cdrom: docs: reformat table in Documentation/userspace-api/ioctl/cdrom.rst

Add extra space to the first column of ioctl values table, and also realign
the text in the second column, to fix a documentation build warning
introduced by: commit 67f1e027c270 ("drivers/cdrom: improved ioctl for
media change detection")

Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: 67f1e027c270 ("drivers/cdrom: improved ioctl for media change detection")
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20211007231720.31997-1-phil@philpotter.co.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/Documentation/userspace-api/ioctl/cdrom.rst b/Documentation/userspace-api/ioctl/cdrom.rst
index bac5bbf93ca0b81a3b4e8b3605cadb92fd936283..682948fc88a34a42a647bc90dae310c1ee6c5803 100644 (file)
--- a/Documentation/userspace-api/ioctl/cdrom.rst
+++ b/Documentation/userspace-api/ioctl/cdrom.rst
@@ -13,64 +13,64 @@ in drivers/cdrom/cdrom.c and drivers/block/scsi_ioctl.c
 ioctl values are listed in <linux/cdrom.h>.  As of this writing, they
 are as follows:
 
-       ======================  ===============================================
-       CDROMPAUSE              Pause Audio Operation
-       CDROMRESUME             Resume paused Audio Operation
-       CDROMPLAYMSF            Play Audio MSF (struct cdrom_msf)
-       CDROMPLAYTRKIND         Play Audio Track/index (struct cdrom_ti)
-       CDROMREADTOCHDR         Read TOC header (struct cdrom_tochdr)
-       CDROMREADTOCENTRY       Read TOC entry (struct cdrom_tocentry)
-       CDROMSTOP               Stop the cdrom drive
-       CDROMSTART              Start the cdrom drive
-       CDROMEJECT              Ejects the cdrom media
-       CDROMVOLCTRL            Control output volume (struct cdrom_volctrl)
-       CDROMSUBCHNL            Read subchannel data (struct cdrom_subchnl)
-       CDROMREADMODE2          Read CDROM mode 2 data (2336 Bytes)
-                               (struct cdrom_read)
-       CDROMREADMODE1          Read CDROM mode 1 data (2048 Bytes)
-                               (struct cdrom_read)
-       CDROMREADAUDIO          (struct cdrom_read_audio)
-       CDROMEJECT_SW           enable(1)/disable(0) auto-ejecting
-       CDROMMULTISESSION       Obtain the start-of-last-session
-                               address of multi session disks
-                               (struct cdrom_multisession)
-       CDROM_GET_MCN           Obtain the "Universal Product Code"
-                               if available (struct cdrom_mcn)
-       CDROM_GET_UPC           Deprecated, use CDROM_GET_MCN instead.
-       CDROMRESET              hard-reset the drive
-       CDROMVOLREAD            Get the drive's volume setting
-                               (struct cdrom_volctrl)
-       CDROMREADRAW            read data in raw mode (2352 Bytes)
-                               (struct cdrom_read)
-       CDROMREADCOOKED         read data in cooked mode
-       CDROMSEEK               seek msf address
-       CDROMPLAYBLK            scsi-cd only, (struct cdrom_blk)
-       CDROMREADALL            read all 2646 bytes
-       CDROMGETSPINDOWN        return 4-bit spindown value
-       CDROMSETSPINDOWN        set 4-bit spindown value
-       CDROMCLOSETRAY          pendant of CDROMEJECT
-       CDROM_SET_OPTIONS       Set behavior options
-       CDROM_CLEAR_OPTIONS     Clear behavior options
-       CDROM_SELECT_SPEED      Set the CD-ROM speed
-       CDROM_SELECT_DISC       Select disc (for juke-boxes)
-       CDROM_MEDIA_CHANGED     Check is media changed
-       CDROM_TIMED_MEDIA_CHANGE        Check if media changed
-                                       since given time
-                                       (struct cdrom_timed_media_change_info)
-       CDROM_DRIVE_STATUS      Get tray position, etc.
-       CDROM_DISC_STATUS       Get disc type, etc.
-       CDROM_CHANGER_NSLOTS    Get number of slots
-       CDROM_LOCKDOOR          lock or unlock door
-       CDROM_DEBUG             Turn debug messages on/off
-       CDROM_GET_CAPABILITY    get capabilities
-       CDROMAUDIOBUFSIZ        set the audio buffer size
-       DVD_READ_STRUCT         Read structure
-       DVD_WRITE_STRUCT        Write structure
-       DVD_AUTH                Authentication
-       CDROM_SEND_PACKET       send a packet to the drive
-       CDROM_NEXT_WRITABLE     get next writable block
-       CDROM_LAST_WRITTEN      get last block written on disc
-       ======================  ===============================================
+       ========================  ===============================================
+       CDROMPAUSE                Pause Audio Operation
+       CDROMRESUME               Resume paused Audio Operation
+       CDROMPLAYMSF              Play Audio MSF (struct cdrom_msf)
+       CDROMPLAYTRKIND           Play Audio Track/index (struct cdrom_ti)
+       CDROMREADTOCHDR           Read TOC header (struct cdrom_tochdr)
+       CDROMREADTOCENTRY         Read TOC entry (struct cdrom_tocentry)
+       CDROMSTOP                 Stop the cdrom drive
+       CDROMSTART                Start the cdrom drive
+       CDROMEJECT                Ejects the cdrom media
+       CDROMVOLCTRL              Control output volume (struct cdrom_volctrl)
+       CDROMSUBCHNL              Read subchannel data (struct cdrom_subchnl)
+       CDROMREADMODE2            Read CDROM mode 2 data (2336 Bytes)
+                                 (struct cdrom_read)
+       CDROMREADMODE1            Read CDROM mode 1 data (2048 Bytes)
+                                 (struct cdrom_read)
+       CDROMREADAUDIO            (struct cdrom_read_audio)
+       CDROMEJECT_SW             enable(1)/disable(0) auto-ejecting
+       CDROMMULTISESSION         Obtain the start-of-last-session
+                                 address of multi session disks
+                                 (struct cdrom_multisession)
+       CDROM_GET_MCN             Obtain the "Universal Product Code"
+                                 if available (struct cdrom_mcn)
+       CDROM_GET_UPC             Deprecated, use CDROM_GET_MCN instead.
+       CDROMRESET                hard-reset the drive
+       CDROMVOLREAD              Get the drive's volume setting
+                                 (struct cdrom_volctrl)
+       CDROMREADRAW              read data in raw mode (2352 Bytes)
+                                 (struct cdrom_read)
+       CDROMREADCOOKED           read data in cooked mode
+       CDROMSEEK                 seek msf address
+       CDROMPLAYBLK              scsi-cd only, (struct cdrom_blk)
+       CDROMREADALL              read all 2646 bytes
+       CDROMGETSPINDOWN          return 4-bit spindown value
+       CDROMSETSPINDOWN          set 4-bit spindown value
+       CDROMCLOSETRAY            pendant of CDROMEJECT
+       CDROM_SET_OPTIONS         Set behavior options
+       CDROM_CLEAR_OPTIONS       Clear behavior options
+       CDROM_SELECT_SPEED        Set the CD-ROM speed
+       CDROM_SELECT_DISC         Select disc (for juke-boxes)
+       CDROM_MEDIA_CHANGED       Check is media changed
+       CDROM_TIMED_MEDIA_CHANGE  Check if media changed
+                                 since given time
+                                 (struct cdrom_timed_media_change_info)
+       CDROM_DRIVE_STATUS        Get tray position, etc.
+       CDROM_DISC_STATUS         Get disc type, etc.
+       CDROM_CHANGER_NSLOTS      Get number of slots
+       CDROM_LOCKDOOR            lock or unlock door
+       CDROM_DEBUG               Turn debug messages on/off
+       CDROM_GET_CAPABILITY      get capabilities
+       CDROMAUDIOBUFSIZ          set the audio buffer size
+       DVD_READ_STRUCT           Read structure
+       DVD_WRITE_STRUCT          Write structure
+       DVD_AUTH                  Authentication
+       CDROM_SEND_PACKET         send a packet to the drive
+       CDROM_NEXT_WRITABLE       get next writable block
+       CDROM_LAST_WRITTEN        get last block written on disc
+       ========================  ===============================================
 
 
 The information that follows was determined from reading kernel source