[PATCH] xen-blkback: prefer xenbus_write() over xenbus_printf() where possible

[Jan Beulich]

... as being the simpler variant.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 drivers/block/xen-blkback/xenbus.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- 4.7-rc6-prefer-xenbus_write.orig/drivers/block/xen-blkback/xenbus.c
+++ 4.7-rc6-prefer-xenbus_write/drivers/block/xen-blkback/xenbus.c
@@ -617,9 +617,9 @@ static int xen_blkbk_probe(struct xenbus
 		goto fail;
 	}
 
-	err = xenbus_printf(XBT_NIL, dev->nodename,
-			    "feature-max-indirect-segments", "%u",
-			    MAX_INDIRECT_SEGMENTS);
+	err = xenbus_write(XBT_NIL, dev->nodename,
+			   "feature-max-indirect-segments",
+			   __stringify(MAX_INDIRECT_SEGMENTS));
 	if (err)
 		dev_warn(&dev->dev,
 			 "writing %s/feature-max-indirect-segments (%d)",
@@ -850,7 +850,7 @@ again:
 
 	xen_blkbk_barrier(xbt, be, be->blkif->vbd.flush_support);
 
-	err = xenbus_printf(xbt, dev->nodename, "feature-persistent", "%u", 1);
+	err = xenbus_write(xbt, dev->nodename, "feature-persistent", "1");
 	if (err) {
 		xenbus_dev_fatal(dev, err, "writing %s/feature-persistent",
 				 dev->nodename);