If we have everything except the dir item and dir index we can easily replace them, so add this ability to btrfsck. Thanks,
Signed-off-by: Josef Bacik <[email protected]> --- cmds-check.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/cmds-check.c b/cmds-check.c index 38f8d11..be75dcb 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -1772,6 +1772,33 @@ static int repair_inode_backrefs(struct btrfs_root *root, } } + if (!delete && (!backref->found_dir_index && + !backref->found_dir_item && + backref->found_inode_ref)) { + struct btrfs_trans_handle *trans; + struct btrfs_key location; + + location.objectid = rec->ino; + location.type = BTRFS_INODE_ITEM_KEY; + location.offset = 0; + + trans = btrfs_start_transaction(root, 1); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + break; + } + fprintf(stderr, "adding missing dir index/item pair " + "for inode %llu\n", + (unsigned long long)rec->ino); + ret = btrfs_insert_dir_item(trans, root, backref->name, + backref->namelen, + backref->dir, &location, + imode_to_type(rec->imode), + backref->index); + BUG_ON(ret); + btrfs_commit_transaction(trans, root); + repaired++; + } } return ret ? ret : repaired; } -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
