We were failing to fsck a volume because we couldn't open the log tree, which is
not helpful.  Make us skip erroring out if we are using OPEN_CTREE_PARTIAL since
it isn't a mandatory tree.  Thanks,

Signed-off-by: Josef Bacik <[email protected]>
---
 disk-io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/disk-io.c b/disk-io.c
index 77fc610..d2c18a8 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -930,7 +930,8 @@ int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info, 
u64 root_tree_bytenr,
        ret = find_and_setup_log_root(root, fs_info, sb);
        if (ret) {
                printk("Couldn't setup log root tree\n");
-               return -EIO;
+               if (!(flags & OPEN_CTREE_PARTIAL))
+                       return -EIO;
        }
 
        fs_info->generation = generation;
-- 
1.8.3.1

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