vserver 2.0 rc7

[linux-2.6.git] / drivers / s390 / block / dasd_genhd.c

diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 1d52db4..96c4934 100644 (file)
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -9,7 +9,7 @@
  *
  * gendisk related functions for the dasd driver.
  *
- * $Revision: 1.48 $
+ * $Revision: 1.50 $
  */
 
 #include <linux/config.h>
@@ -31,12 +31,16 @@ int
 dasd_gendisk_alloc(struct dasd_device *device)
 {
        struct gendisk *gdp;
-       int len;
+       int len, feature_ro;
 
        /* Make sure the minor for this device exists. */
        if (device->devindex >= DASD_PER_MAJOR)
                return -EBUSY;
 
+       feature_ro = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
+       if (feature_ro < 0)
+               return feature_ro;
+
        gdp = alloc_disk(1 << DASD_PARTN_BITS);
        if (!gdp)
                return -ENOMEM;
@@ -71,7 +75,7 @@ dasd_gendisk_alloc(struct dasd_device *device)
 
        sprintf(gdp->devfs_name, "dasd/%s", device->cdev->dev.bus_id);
 
-       if (test_bit(DASD_FLAG_RO, &device->flags))
+       if (feature_ro)
                set_disk_ro(gdp, 1);
        gdp->private_data = device;
        gdp->queue = device->request_queue;