diff options
Diffstat (limited to 'cmds-check.c')
| -rw-r--r-- | cmds-check.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/cmds-check.c b/cmds-check.c index f42e3c5c..79149838 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -1727,6 +1727,61 @@ static int delete_dir_index(struct btrfs_root *root, return ret; } +static int create_inode_item(struct btrfs_root *root, + struct inode_record *rec, + struct inode_backref *backref, int root_dir) +{ + struct btrfs_trans_handle *trans; + struct btrfs_inode_item inode_item; + time_t now = time(NULL); + int ret; + + trans = btrfs_start_transaction(root, 1); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + return ret; + } + + fprintf(stderr, "root %llu inode %llu recreating inode item, this may " + "be incomplete, please check permissions and content after " + "the fsck completes.\n", (unsigned long long)root->objectid, + (unsigned long long)rec->ino); + + memset(&inode_item, 0, sizeof(inode_item)); + btrfs_set_stack_inode_generation(&inode_item, trans->transid); + if (root_dir) + btrfs_set_stack_inode_nlink(&inode_item, 1); + else + btrfs_set_stack_inode_nlink(&inode_item, rec->found_link); + btrfs_set_stack_inode_nbytes(&inode_item, rec->found_size); + if (rec->found_dir_item) { + if (rec->found_file_extent) + fprintf(stderr, "root %llu inode %llu has both a dir " + "item and extents, unsure if it is a dir or a " + "regular file so setting it as a directory\n", + (unsigned long long)root->objectid, + (unsigned long long)rec->ino); + btrfs_set_stack_inode_mode(&inode_item, S_IFDIR | 0755); + btrfs_set_stack_inode_size(&inode_item, rec->found_size); + } else if (!rec->found_dir_item) { + btrfs_set_stack_inode_size(&inode_item, rec->extent_end); + btrfs_set_stack_inode_mode(&inode_item, S_IFREG | 0755); + } + btrfs_set_stack_timespec_sec(&inode_item.atime, now); + btrfs_set_stack_timespec_nsec(&inode_item.atime, 0); + btrfs_set_stack_timespec_sec(&inode_item.ctime, now); + btrfs_set_stack_timespec_nsec(&inode_item.ctime, 0); + btrfs_set_stack_timespec_sec(&inode_item.mtime, now); + btrfs_set_stack_timespec_nsec(&inode_item.mtime, 0); + btrfs_set_stack_timespec_sec(&inode_item.otime, 0); + btrfs_set_stack_timespec_nsec(&inode_item.otime, 0); + + ret = btrfs_insert_inode(trans, root, rec->ino, &inode_item); + BUG_ON(ret); + btrfs_commit_transaction(trans, root); + return 0; +} + static int repair_inode_backrefs(struct btrfs_root *root, struct inode_record *rec, struct cache_tree *inode_cache, @@ -1738,6 +1793,15 @@ static int repair_inode_backrefs(struct btrfs_root *root, int repaired = 0; list_for_each_entry_safe(backref, tmp, &rec->backrefs, list) { + if (!delete && rec->ino == root_dirid) { + if (!rec->found_inode_item) { + ret = create_inode_item(root, rec, backref, 1); + if (ret) + break; + repaired++; + } + } + /* Index 0 for root dir's are special, don't mess with it */ if (rec->ino == root_dirid && backref->index == 0) continue; @@ -1799,6 +1863,18 @@ static int repair_inode_backrefs(struct btrfs_root *root, btrfs_commit_transaction(trans, root); repaired++; } + + if (!delete && (backref->found_inode_ref && + backref->found_dir_index && + backref->found_dir_item && + !(backref->errors & REF_ERR_INDEX_UNMATCH) && + !rec->found_inode_item)) { + ret = create_inode_item(root, rec, backref, 0); + if (ret) + break; + repaired++; + } + } return ret ? ret : repaired; } |