struct blkfront_info
{
struct xenbus_device *xbdev;
- dev_t dev;
struct gendisk *gd;
int vdevice;
blkif_vdev_t handle;
struct blk_shadow shadow[BLK_RING_SIZE];
unsigned long shadow_free;
int feature_barrier;
+ int is_ready;
/**
* The number of people holding this device open. We won't allow a
spin_unlock_irq(&blkif_io_lock);
add_disk(info->gd);
+
+ info->is_ready = 1;
}
/**
break;
case XenbusStateClosing:
- bd = bdget(info->dev);
+ bd = bdget_disk(info->gd, 0);
if (bd == NULL)
xenbus_dev_fatal(dev, -ENODEV, "bdget failed");
return 0;
}
+static int blkfront_is_ready(struct xenbus_device *dev)
+{
+ struct blkfront_info *info = dev->dev.driver_data;
+
+ return info->is_ready;
+}
+
static int blkif_open(struct inode *inode, struct file *filep)
{
struct blkfront_info *info = inode->i_bdev->bd_disk->private_data;
.remove = blkfront_remove,
.resume = blkfront_resume,
.otherend_changed = backend_changed,
+ .is_ready = blkfront_is_ready,
};
static int __init xlblk_init(void)
MODULE_DESCRIPTION("Xen virtual block device frontend");
MODULE_LICENSE("GPL");
MODULE_ALIAS_BLOCKDEV_MAJOR(XENVBD_MAJOR);
+MODULE_ALIAS("xen:vbd");
+MODULE_ALIAS("xenblk");