From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga02-in.huawei.com ([119.145.14.65]:20214 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751812Ab2FKJK7 (ORCPT ); Mon, 11 Jun 2012 05:10:59 -0400 Message-ID: <4FD5B61B.1040000@huawei.com> Date: Mon, 11 Jun 2012 17:10:51 +0800 From: Li Zefan MIME-Version: 1.0 To: "linux-btrfs@vger.kernel.org" Subject: [PATCH] Btrfs: fix incompat flags setting Content-Type: text/plain; charset="GB2312" Sender: linux-btrfs-owner@vger.kernel.org List-ID: 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 --- fs/btrfs/disk-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 7ae51de..fe82070 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2118,7 +2118,7 @@ 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; /* -- 1.7.9.7