misc/155925: CD tray is not locked even if using /dev/adc0.

[KOIE Hidetaka]

>Number:         155925
>Category:       misc
>Synopsis:       CD tray is not locked even if using /dev/adc0.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 25 02:10:10 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     KOIE Hidetaka
>Release:        9.0-CURRENT
>Organization:
surigiken
>Environment:
FreeBSD guriandgura 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r219849+1716dd734afd,ver-hg,nice-powerd: Tue Mar 22 08:39:13 JST 2011     root at guriandgura:/usr/obj/usr/src/sys/GURIANDGURA  amd64
>Description:
while using CD/DVD, a drive tray is not locked.
if a filesystem is mounted with readwrite, ejecting is breaking.

>How-To-Repeat:
mount_cd9660 /dev/acd0 /mnt
cdcontrol eject cdrom

or

zpool import dvdram
cdcontrol eject cdrom

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: