Btrfs: Add mount -o nodatasum to turn of file data checksumming

[deliverable/linux.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 60a30da6af00e2dbf09408bdbddbe6b674f2da00..4338b00c2a254858953cb932045d71438eb359a6 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -568,6 +568,7 @@ struct btrfs_root *open_ctree(struct super_block *sb)
        fs_info->tree_root = tree_root;
        fs_info->extent_root = extent_root;
        fs_info->sb = sb;
+       fs_info->mount_opt = 0;
        fs_info->btree_inode = new_inode(sb);
        fs_info->btree_inode->i_ino = 1;
        fs_info->btree_inode->i_nlink = 1;