Btrfs: fix incompat flags setting

PATCH New Li Zefan 1 participant 1 message Jun 11, 2012 Btrfs file system

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Li Zefan

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2012-06-11 09:10 UTC #0 lore raw

PATCH 1/1 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 <[email protected]>

---
 fs/btrfs/disk-io.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

fs/btrfs/disk-io.c +1 -1

index 7ae51de..fe82070 100644
@@ -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;
 
 	/*

Signature · 1 line

1.7.9.7