rbd: fix snapshot size type

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>
Reviewed-by: Yehuda Sadeh <yehuda@hq.newdream.net>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4a0a829..8359796 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -141,7 +141,7 @@ struct rbd_request {
 struct rbd_snap {
        struct  device          dev;
        const char              *name;
-       size_t                  size;
+       u64                     size;
        struct list_head        node;
        u64                     id;
 };
@@ -1935,7 +1935,7 @@ static ssize_t rbd_snap_size_show(struct device *dev,
 {
        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,
@@ -1944,7 +1944,7 @@ static ssize_t rbd_snap_id_show(struct device *dev,
 {
        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);