static void
dcssblk_release_segment(struct device *dev)
{
- PRINT_DEBUG("segment release fn called for %s\n", dev->bus_id);
+ PRINT_DEBUG("segment release fn called for %s\n", dev_name(dev));
kfree(container_of(dev, struct dcssblk_dev_info, dev));
module_put(THIS_MODULE);
}
found = 0;
// test if minor available
list_for_each_entry(entry, &dcssblk_devices, lh)
- if (minor == entry->gd->first_minor)
+ if (minor == MINOR(disk_devt(entry->gd)))
found++;
if (!found) break; // got unused minor
}
* get minor, add to list
*/
down_write(&dcssblk_devices_sem);
+ if (dcssblk_get_device_by_name(local_buf)) {
+ up_write(&dcssblk_devices_sem);
+ rc = -EEXIST;
+ goto unload_seg;
+ }
rc = dcssblk_assign_free_minor(dev_info);
if (rc) {
up_write(&dcssblk_devices_sem);
goto unload_seg;
}
sprintf(dev_info->gd->disk_name, "dcssblk%d",
- dev_info->gd->first_minor);
+ MINOR(disk_devt(dev_info->gd)));
list_add_tail(&dev_info->lh, &dcssblk_devices);
if (!try_module_get(THIS_MODULE)) {
case SEG_TYPE_SC:
/* cannot write to these segments */
if (bio_data_dir(bio) == WRITE) {
- PRINT_WARN("rejecting write to ro segment %s\n", dev_info->dev.bus_id);
+ PRINT_WARN("rejecting write to ro segment %s\n",
+ dev_name(&dev_info->dev));
goto fail;
}
}