[PATCH v2 4/7] btrfs-progs: check/original: Repair invalid inode mode in root tree

[Qu Wenruo]

This patch will reuse the mode independent repair_imode() function, to
repair invalid inode mode.

Signed-off-by: Qu Wenruo <w...@suse.com>
---
 check/main.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/check/main.c b/check/main.c
index 553c93caa2c9..608fe7bb02fb 100644
--- a/check/main.c
+++ b/check/main.c
@@ -2698,6 +2698,30 @@ static int repair_mismatch_dir_hash(struct 
btrfs_trans_handle *trans,
        return ret;
 }
 
+static int repair_imode_original(struct btrfs_trans_handle *trans,
+                                struct btrfs_root *root,
+                                struct btrfs_path *path,
+                                struct inode_record *rec)
+{
+       int ret;
+       u32 imode;
+
+       if (root->root_key.objectid != BTRFS_ROOT_TREE_OBJECTID)
+               return -ENOTTY;
+       if (rec->ino != BTRFS_ROOT_TREE_DIR_OBJECTID || !is_fstree(rec->ino))
+               return -ENOTTY;
+
+       if (rec->ino == BTRFS_ROOT_TREE_DIR_OBJECTID)
+               imode = 040755;
+       else
+               imode = 0100600;
+       ret = reset_imode(trans, root, path, rec->ino, imode);
+       if (ret < 0)
+               return ret;
+       rec->errors &= ~I_ERR_INVALID_IMODE;
+       return ret;
+}
+
 static int try_repair_inode(struct btrfs_root *root, struct inode_record *rec)
 {
        struct btrfs_trans_handle *trans;
@@ -2745,6 +2769,8 @@ static int try_repair_inode(struct btrfs_root *root, 
struct inode_record *rec)
                ret = repair_inode_nbytes(trans, root, &path, rec);
        if (!ret && rec->errors & I_ERR_INLINE_RAM_BYTES_WRONG)
                ret = repair_inline_ram_bytes(trans, root, &path, rec);
+       if (!ret && rec->errors & I_ERR_INVALID_IMODE)
+               ret = repair_imode_original(trans, root, &path, rec);
        btrfs_commit_transaction(trans, root);
        btrfs_release_path(&path);
        return ret;
-- 
2.21.0