blkfront: Remove obsolete info->users
This is just bd_openers, protected by the bd_mutex.
Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 715de7d..9c5a25a 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1168,9 +1168,6 @@
mutex_unlock(&info->mutex);
- if (!err)
- ++info->users;
-
out:
unlock_kernel();
return err;
@@ -1183,12 +1180,13 @@
struct xenbus_device *xbdev;
lock_kernel();
- if (--info->users)
- goto out;
bdev = bdget_disk(disk, 0);
bdput(bdev);
+ if (bdev->bd_openers)
+ goto out;
+
/*
* Check if we have been instructed to close. We will have
* deferred this request, because the bdev was still open.
@@ -1212,7 +1210,6 @@
kfree(info);
}
-out:
unlock_kernel();
return 0;
}