Btrfs: Fix allocation profile init

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4252223..bc5bd5a 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -912,13 +912,10 @@
 	btrfs_read_block_groups(extent_root);
 
 	fs_info->generation = btrfs_super_generation(disk_super) + 1;
-	if (btrfs_super_num_devices(disk_super) > 0) {
-		fs_info->data_alloc_profile = BTRFS_BLOCK_GROUP_RAID0 |
-			BTRFS_BLOCK_GROUP_RAID1;
-		fs_info->metadata_alloc_profile = BTRFS_BLOCK_GROUP_RAID1 |
-			BTRFS_BLOCK_GROUP_DUP;
-		fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
-	}
+	fs_info->data_alloc_profile = (u64)-1;
+	fs_info->metadata_alloc_profile = (u64)-1;
+	fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
+
 	mutex_unlock(&fs_info->fs_mutex);
 	return tree_root;