Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (200 commits)
  [SCSI] usbstorage: use last_sector_bug flag universally
  [SCSI] libsas: abstract STP task status into a function
  [SCSI] ultrastor: clean up inline asm warnings
  [SCSI] aic7xxx: fix firmware build
  [SCSI] aacraid: fib context lock for management ioctls
  [SCSI] ch: remove forward declarations
  [SCSI] ch: fix device minor number management bug
  [SCSI] ch: handle class_device_create failure properly
  [SCSI] NCR5380: fix section mismatch
  [SCSI] sg: fix /proc/scsi/sg/devices when no SCSI devices
  [SCSI] IB/iSER: add logical unit reset support
  [SCSI] don't use __GFP_DMA for sense buffers if not required
  [SCSI] use dynamically allocated sense buffer
  [SCSI] scsi.h: add macro for enclosure bit of inquiry data
  [SCSI] sd: add fix for devices with last sector access problems
  [SCSI] fix pcmcia compile problem
  [SCSI] aacraid: add Voodoo Lite class of cards.
  [SCSI] aacraid: add new driver features flags
  [SCSI] qla2xxx: Update version number to 8.02.00-k7.
  [SCSI] qla2xxx: Issue correct MBC_INITIALIZE_FIRMWARE command.
  ...

1 files changed, 34 insertions, 14 deletions

diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index e1589f91706a..d5cebff1d646 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -275,18 +275,6 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
 /* ---------------------------------------------------------------------- */
 /* interface to cdrom.c                                                   */
 
-static int test_unit_ready(Scsi_CD *cd)
-{
-        struct packet_command cgc;
-
-        memset(&cgc, 0, sizeof(struct packet_command));
-        cgc.cmd[0] = GPCMD_TEST_UNIT_READY;
-        cgc.quiet = 1;
-        cgc.data_direction = DMA_NONE;
-        cgc.timeout = IOCTL_TIMEOUT;
-        return sr_do_ioctl(cd, &cgc);
-}
-
 int sr_tray_move(struct cdrom_device_info *cdi, int pos)
 {
         Scsi_CD *cd = cdi->handle;
@@ -310,14 +298,46 @@ int sr_lock_door(struct cdrom_device_info *cdi, int lock)
 
 int sr_drive_status(struct cdrom_device_info *cdi, int slot)
 {
+        struct scsi_cd *cd = cdi->handle;
+        struct scsi_sense_hdr sshdr;
+        struct media_event_desc med;
+
         if (CDSL_CURRENT != slot) {
                 /* we have no changer support */
                 return -EINVAL;
         }
-        if (0 == test_unit_ready(cdi->handle))
+        if (0 == scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES,
+                                      &sshdr))
                 return CDS_DISC_OK;
 
-        return CDS_TRAY_OPEN;
+        if (!cdrom_get_media_event(cdi, &med)) {
+                if (med.media_present)
+                        return CDS_DISC_OK;
+                else if (med.door_open)
+                        return CDS_TRAY_OPEN;
+                else
+                        return CDS_NO_DISC;
+        }
+
+        /*
+         * 0x04 is format in progress .. but there must be a disc present!
+         */
+        if (sshdr.sense_key == NOT_READY && sshdr.asc == 0x04)
+                return CDS_DISC_OK;
+
+        /*
+         * If not using Mt Fuji extended media tray reports,
+         * just return TRAY_OPEN since ATAPI doesn't provide
+         * any other way to detect this...
+         */
+        if (scsi_sense_valid(&sshdr) &&
+            /* 0x3a is medium not present */
+            sshdr.asc == 0x3a)
+                return CDS_NO_DISC;
+        else
+                return CDS_TRAY_OPEN;
+
+        return CDS_DRIVE_NOT_READY;
 }
 
 int sr_disk_status(struct cdrom_device_info *cdi)