Btrfs: Remove superfluous casts from u64 to unsigned long long

u64 is "unsigned long long" on all architectures now, so there's no need to
cast it when formatting it using the "ll" length modifier.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 559cb16..996951a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1421,14 +1421,13 @@
 			ret = -EINVAL;
 			goto out_free;
 		}
-		printk(KERN_INFO "btrfs: resizing devid %llu\n",
-		       (unsigned long long)devid);
+		printk(KERN_INFO "btrfs: resizing devid %llu\n", devid);
 	}
 
 	device = btrfs_find_device(root->fs_info, devid, NULL, NULL);
 	if (!device) {
 		printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
-		       (unsigned long long)devid);
+		       devid);
 		ret = -ENODEV;
 		goto out_free;
 	}
@@ -1436,7 +1435,7 @@
 	if (!device->writeable) {
 		printk(KERN_INFO "btrfs: resizer unable to apply on "
 		       "readonly device %llu\n",
-		       (unsigned long long)devid);
+		       devid);
 		ret = -EPERM;
 		goto out_free;
 	}
@@ -1488,8 +1487,7 @@
 	new_size *= root->sectorsize;
 
 	printk_in_rcu(KERN_INFO "btrfs: new size for %s is %llu\n",
-		      rcu_str_deref(device->name),
-		      (unsigned long long)new_size);
+		      rcu_str_deref(device->name), new_size);
 
 	if (new_size > old_size) {
 		trans = btrfs_start_transaction(root, 0);