[PATCH 10/11] Btrfs-progs: create missing root dirid

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If we just don't have the root dirid stuff go ahead and re-create it, since it
is easily recreated.  Thanks,

Signed-off-by: Josef Bacik <jbacik@xxxxxx>
---
 cmds-check.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/cmds-check.c b/cmds-check.c
index a30db8d..5fbf08f 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -1987,6 +1987,26 @@ static int check_inode_recs(struct btrfs_root *root,
 			error++;
 		}
 	} else {
+		if (repair) {
+			struct btrfs_trans_handle *trans;
+
+			trans = btrfs_start_transaction(root, 1);
+			if (IS_ERR(trans)) {
+				err = PTR_ERR(trans);
+				return err;
+			}
+
+			fprintf(stderr, "root %llu missing its root dir, "
+				"recreating\n",
+				(unsigned long long)root->objectid);
+
+			ret = btrfs_make_root_dir(trans, root, root_dirid);
+			BUG_ON(ret);
+
+			btrfs_commit_transaction(trans, root);
+			return -EAGAIN;
+		}
+
 		fprintf(stderr, "root %llu root dir %llu not found\n",
 			(unsigned long long)root->root_key.objectid,
 			(unsigned long long)root_dirid);
-- 
1.8.3.1

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