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Subject[PATCH] xen-blkback: prefer xenbus_write() over xenbus_printf() where possible
... as being the simpler variant.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
---
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);


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