+ return lgd->lgd_found;
+}
+
+static int ll_get_name(struct dentry *dentry, char *name,
+ struct dentry *child)
+{
+ struct inode *dir = dentry->d_inode;
+ struct ll_getname_data lgd;
+ __u64 offset = 0;
+ int rc;
+ ENTRY;
+
+ if (!dir || !S_ISDIR(dir->i_mode))
+ GOTO(out, rc = -ENOTDIR);
+
+ if (!dir->i_fop)
+ GOTO(out, rc = -EINVAL);
+
+ lgd.lgd_name = name;
+ lgd.lgd_fid = ll_i2info(child->d_inode)->lli_fid;
+ lgd.lgd_found = 0;
+
+ mutex_lock(&dir->i_mutex);
+ rc = ll_dir_read(dir, &offset, &lgd, ll_nfs_get_name_filldir);
+ mutex_unlock(&dir->i_mutex);
+ if (!rc && !lgd.lgd_found)
+ rc = -ENOENT;
+ EXIT;
+
+out:
+ return rc;
+}
+
+static struct dentry *ll_fh_to_dentry(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type)
+{
+ struct lustre_nfs_fid *nfs_fid = (struct lustre_nfs_fid *)fid;
+
+ if (fh_type != FILEID_LUSTRE)
+ RETURN(ERR_PTR(-EPROTO));
+
+ RETURN(ll_iget_for_nfs(sb, &nfs_fid->lnf_child, &nfs_fid->lnf_parent));
+}
+
+static struct dentry *ll_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type)
+{
+ struct lustre_nfs_fid *nfs_fid = (struct lustre_nfs_fid *)fid;
+
+ if (fh_type != FILEID_LUSTRE)
+ RETURN(ERR_PTR(-EPROTO));
+
+ RETURN(ll_iget_for_nfs(sb, &nfs_fid->lnf_parent, NULL));
+}
+
+static struct dentry *ll_get_parent(struct dentry *dchild)
+{
+ struct ptlrpc_request *req = NULL;
+ struct inode *dir = dchild->d_inode;
+ struct ll_sb_info *sbi;
+ struct dentry *result = NULL;
+ struct mdt_body *body;
+ static char dotdot[] = "..";
+ struct md_op_data *op_data;
+ int rc;
+ int lmmsize;
+ ENTRY;
+
+ LASSERT(dir && S_ISDIR(dir->i_mode));
+
+ sbi = ll_s2sbi(dir->i_sb);
+
+ CDEBUG(D_INFO, "%s: getting parent for ("DFID")\n",
+ ll_get_fsname(dir->i_sb, NULL, 0),
+ PFID(ll_inode2fid(dir)));
+
+ rc = ll_get_max_mdsize(sbi, &lmmsize);
+ if (rc != 0)
+ RETURN(ERR_PTR(rc));
+
+ op_data = ll_prep_md_op_data(NULL, dir, NULL, dotdot,
+ strlen(dotdot), lmmsize,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ RETURN((void *)op_data);
+
+ rc = md_getattr_name(sbi->ll_md_exp, op_data, &req);
+ ll_finish_md_op_data(op_data);
+ if (rc) {
+ CERROR("%s: failure inode "DFID" get parent: rc = %d\n",
+ ll_get_fsname(dir->i_sb, NULL, 0),
+ PFID(ll_inode2fid(dir)), rc);
+ RETURN(ERR_PTR(rc));