xen/blkback: Consistently insert one empty line between functions

The number of empty lines between functions in the xenbus.c is
inconsistent.  This trivial style cleanup commit fixes the file to
consistently place only one empty line.

Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 55960190b7741a85b58ec6c72c97ea69ad3ea341..42944d41aea0385440b0bf67d3762ad4f904ba28 100644 (file)
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -467,7 +467,6 @@ static void xenvbd_sysfs_delif(struct xenbus_device *dev)
        device_remove_file(&dev->dev, &dev_attr_physical_device);
 }
 
-
 static void xen_vbd_free(struct xen_vbd *vbd)
 {
        if (vbd->bdev)
@@ -524,6 +523,7 @@ static int xen_vbd_create(struct xen_blkif *blkif, blkif_vdev_t handle,
                handle, blkif->domid);
        return 0;
 }
+
 static int xen_blkbk_remove(struct xenbus_device *dev)
 {
        struct backend_info *be = dev_get_drvdata(&dev->dev);
@@ -607,6 +607,7 @@ static void xen_blkbk_discard(struct xenbus_transaction xbt, struct backend_info
        if (err)
                dev_warn(&dev->dev, "writing feature-discard (%d)", err);
 }
+
 int xen_blkbk_barrier(struct xenbus_transaction xbt,
                      struct backend_info *be, int state)
 {
@@ -691,7 +692,6 @@ fail:
        return err;
 }
 
-
 /*
  * Callback received when the hotplug scripts have placed the physical-device
  * node.  Read it and the mode node, and create a vbd.  If the frontend is
@@ -783,7 +783,6 @@ static void backend_changed(struct xenbus_watch *watch,
        }
 }
 
-
 /*
  * Callback received when the frontend's state changes.
  */
@@ -858,7 +857,6 @@ static void frontend_changed(struct xenbus_device *dev,
        }
 }
 
-
 /* Once a memory pressure is detected, squeeze free page pools for a while. */
 static unsigned int buffer_squeeze_duration_ms = 10;
 module_param_named(buffer_squeeze_duration_ms,
@@ -881,7 +879,6 @@ static void reclaim_memory(struct xenbus_device *dev)
 
 /* ** Connection ** */
 
-
 /*
  * Write the physical details regarding the block device to the store, and
  * switch to Connected state.