On 09/06/2011 06:58 PM, Markus Armbruster wrote:
We already track it in BlockDriverState.  Just like tray open/close
state, we should track it in the device models instead, because it's
device state.

Signed-off-by: Markus Armbruster<arm...@redhat.com>
---
  hw/scsi-disk.c |    4 +++-
  1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index f35ada4..e7358e3 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -73,6 +73,7 @@ struct SCSIDiskState
      char *version;
      char *serial;
      bool tray_open;
+    bool tray_locked;
  };

  static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type);
@@ -671,7 +672,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, 
uint8_t **p_outbuf,
          p[5] = 0xff; /* CD DA, DA accurate, RW supported,
                          RW corrected, C2 errors, ISRC,
                          UPC, Bar code */
-        p[6] = 0x2d | (bdrv_is_locked(s->bs)? 2 : 0);
+        p[6] = 0x2d | (s->tray_locked ? 2 : 0);
          /* Locking supported, jumper present, eject, tray */
          p[7] = 0; /* no volume&  mute control, no
                       changer */
@@ -882,6 +883,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, 
uint8_t *outbuf)
          scsi_disk_emulate_start_stop(r);
          break;
      case ALLOW_MEDIUM_REMOVAL:
+        s->tray_locked = req->cmd.buf[4]&  1;
          bdrv_set_locked(s->bs, req->cmd.buf[4]&  1);
          break;
      case READ_CAPACITY_10:

Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>

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