xen/blkback: Use the DRV_PFX in the pr_.. macros.
To make it easier to read.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 46e5d06..da96e3e 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -42,8 +42,9 @@
#include <xen/grant_table.h>
#include <xen/xenbus.h>
+#define DRV_PFX "xen-blkback:"
#define DPRINTK(fmt, args...) \
- pr_debug("xen-blkback: (%s:%d) " fmt ".\n", \
+ pr_debug(DRV_PFX "(%s:%d) " fmt ".\n", \
__func__, __LINE__, ##args)
struct vbd {