Btrfs: run orphan cleanup on default fs root

This patch revert's commit

6c090a11e1c403b727a6a8eff0b97d5fb9e95cb5

Since it introduces this problem where we can run orphan cleanup on a
volume that can have orphan entries re-added.  Instead of my original
fix, Yan Zheng pointed out that we can just revert my original fix and
then run the orphan cleanup in open_ctree after we look up the fs_root.
I have tested this with all the tests that gave me problems and this
patch fixes both problems.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

2 files changed, 6 insertions, 6 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 009e3bd18f2..87b25543d7d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1993,6 +1993,12 @@ struct btrfs_root *open_ctree(struct super_block *sb,
         if (!fs_info->fs_root)
                 goto fail_trans_kthread;
 
+        if (!(sb->s_flags & MS_RDONLY)) {
+                down_read(&fs_info->cleanup_work_sem);
+                btrfs_orphan_cleanup(fs_info->fs_root);
+                up_read(&fs_info->cleanup_work_sem);
+        }
+
         return tree_root;
 
 fail_trans_kthread:
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5606361b5f0..8cd109972fa 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3797,12 +3797,6 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 
         if (location.type == BTRFS_INODE_ITEM_KEY) {
                 inode = btrfs_iget(dir->i_sb, &location, root);
-                if (unlikely(root->clean_orphans) &&
-                    !(inode->i_sb->s_flags & MS_RDONLY)) {
-                        down_read(&root->fs_info->cleanup_work_sem);
-                        btrfs_orphan_cleanup(root);
-                        up_read(&root->fs_info->cleanup_work_sem);
-                }
                 return inode;
         }