+static struct bch_inode_info *bch2_lookup_trans(struct btree_trans *trans,
+ subvol_inum dir, struct bch_hash_info *dir_hash_info,
+ const struct qstr *name)
+{
+ struct bch_fs *c = trans->c;
+ struct btree_iter dirent_iter = {};
+ subvol_inum inum = {};
+
+ int ret = bch2_hash_lookup(trans, &dirent_iter, bch2_dirent_hash_desc,
+ dir_hash_info, dir, name, 0);
+ if (ret)
+ return ERR_PTR(ret);
+
+ struct bkey_s_c k = bch2_btree_iter_peek_slot(&dirent_iter);
+ ret = bkey_err(k);
+ if (ret)
+ goto err;
+
+ ret = bch2_dirent_read_target(trans, dir, bkey_s_c_to_dirent(k), &inum);
+ if (ret > 0)
+ ret = -ENOENT;
+ if (ret)
+ goto err;
+
+ struct bch_inode_info *inode =
+ to_bch_ei(ilookup5_nowait(c->vfs_sb,
+ bch2_inode_hash(inum),
+ bch2_iget5_test,
+ &inum));
+ if (inode)
+ goto out;
+
+ struct bch_subvolume subvol;
+ struct bch_inode_unpacked inode_u;
+ ret = bch2_subvolume_get(trans, inum.subvol, true, 0, &subvol) ?:
+ bch2_inode_find_by_inum_nowarn_trans(trans, inum, &inode_u) ?:
+ PTR_ERR_OR_ZERO(inode = bch2_new_inode(trans));
+ if (bch2_err_matches(ret, ENOENT)) {
+ struct printbuf buf = PRINTBUF;
+
+ bch2_bkey_val_to_text(&buf, c, k);
+ bch_err(c, "%s points to missing inode", buf.buf);
+ printbuf_exit(&buf);
+ }
+ if (ret)
+ goto err;
+
+ bch2_vfs_inode_init(trans, inum, inode, &inode_u, &subvol);
+ inode = bch2_inode_insert(c, inode);
+out:
+ bch2_trans_iter_exit(trans, &dirent_iter);
+ return inode;
+err:
+ inode = ERR_PTR(ret);
+ goto out;
+}
+