[SCSI] export busy state via q->lld_busy_fn()

[linux-2.6-omap-h63xx.git] / drivers / scsi / scsi_scan.c

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 34d0de6cd51123cb42d7cda2bc4b62a2f5151c9b..b14dc02c3ded0883a13543000d4797cc8bb17388 100644 (file)
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -419,6 +419,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
        dev->type = &scsi_target_type;
        starget->id = id;
        starget->channel = channel;
+       starget->can_queue = 0;
        INIT_LIST_HEAD(&starget->siblings);
        INIT_LIST_HEAD(&starget->devices);
        starget->state = STARGET_CREATED;
@@ -730,6 +731,8 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
 static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
                int *bflags, int async)
 {
+       int ret;
+
        /*
         * XXX do not save the inquiry, since it can change underneath us,
         * save just vendor/model/rev.
@@ -885,7 +888,17 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
 
        /* set the device running here so that slave configure
         * may do I/O */
-       scsi_device_set_state(sdev, SDEV_RUNNING);
+       ret = scsi_device_set_state(sdev, SDEV_RUNNING);
+       if (ret) {
+               ret = scsi_device_set_state(sdev, SDEV_BLOCK);
+
+               if (ret) {
+                       sdev_printk(KERN_ERR, sdev,
+                                   "in wrong state %s to complete scan\n",
+                                   scsi_device_state_name(sdev->sdev_state));
+                       return SCSI_SCAN_NO_RESPONSE;
+               }
+       }
 
        if (*bflags & BLIST_MS_192_BYTES_FOR_3F)
                sdev->use_192_bytes_for_3f = 1;
@@ -899,7 +912,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
        transport_configure_device(&sdev->sdev_gendev);
 
        if (sdev->host->hostt->slave_configure) {
-               int ret = sdev->host->hostt->slave_configure(sdev);
+               ret = sdev->host->hostt->slave_configure(sdev);
                if (ret) {
                        /*
                         * if LLDD reports slave not present, don't clutter
@@ -994,7 +1007,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
         */
        sdev = scsi_device_lookup_by_target(starget, lun);
        if (sdev) {
-               if (rescan || sdev->sdev_state != SDEV_CREATED) {
+               if (rescan || !scsi_device_created(sdev)) {
                        SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO
                                "scsi scan: device exists on %s\n",
                                sdev->sdev_gendev.bus_id));
@@ -1467,7 +1480,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
        kfree(lun_data);
  out:
        scsi_device_put(sdev);
-       if (sdev->sdev_state == SDEV_CREATED)
+       if (scsi_device_created(sdev))
                /*
                 * the sdev we used didn't appear in the report luns scan
                 */