[PATCH 4/6] rbd: fix snapshot size type

[Alex Elder <elder@dreamhost.com>]

Snapshot sizes should be the same type as regular image sizes. This
only affects their displayed size in sysfs, not the reported size of
an actual block device sizes.

Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
Reviewed-by: Alex Elder <elder@dreamhost.com>
---
  drivers/block/rbd.c |    6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

Index: b/drivers/block/rbd.c
===================================================================
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -141,7 +141,7 @@
  struct rbd_snap {
  	struct	device		dev;
  	const char		*name;
-	size_t			size;
+	u64			size;
  	struct list_head	node;
  	u64			id;
  };
@@ -1936,7 +1936,7 @@
  {
  	struct rbd_snap *snap = container_of(dev, struct rbd_snap, dev);

-	return sprintf(buf, "%zd\n", snap->size);
+	return sprintf(buf, "%llu\n", (unsigned long long)snap->size);
  }

  static ssize_t rbd_snap_id_show(struct device *dev,
@@ -1945,7 +1945,7 @@
  {
  	struct rbd_snap *snap = container_of(dev, struct rbd_snap, dev);

-	return sprintf(buf, "%llu\n", (unsigned long long) snap->id);
+	return sprintf(buf, "%llu\n", (unsigned long long)snap->id);
  }

  static DEVICE_ATTR(snap_size, S_IRUGO, rbd_snap_size_show, NULL);