Btrfs: fix incompat flags setting

It's a bug, but it happens to work, as BTRFS_COMPRESS_LZO == 2, which
has only one bit set.

Signed-off-by: Li Zefan <lizefan@huawei.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1c9664b..9a569ae 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2119,7 +2119,7 @@ int open_ctree(struct super_block *sb,
 
        features = btrfs_super_incompat_flags(disk_super);
        features |= BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF;
-       if (tree_root->fs_info->compress_type & BTRFS_COMPRESS_LZO)
+       if (tree_root->fs_info->compress_type == BTRFS_COMPRESS_LZO)
                features |= BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO;
 
        /*