+
+/* When quotaon, build a lqs for every uid/gid who has been set limitation
+ * for quota. After quota_search_lqs, it will hold one ref for the lqs.
+ * It will be released when qctxt_cleanup() is executed b=18574 */
+void build_lqs(struct obd_device *obd)
+{
+ struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
+ struct list_head id_list;
+ int i, rc;
+
+ INIT_LIST_HEAD(&id_list);
+ for (i = 0; i < MAXQUOTAS; i++) {
+ struct dquot_id *dqid, *tmp;
+
+ if (sb_dqopt(qctxt->lqc_sb)->files[i] == NULL)
+ continue;
+
+#ifndef KERNEL_SUPPORTS_QUOTA_READ
+ rc = fsfilt_qids(obd, sb_dqopt(qctxt->lqc_sb)->files[i], NULL,
+ i, &id_list);
+#else
+ rc = fsfilt_qids(obd, NULL, sb_dqopt(qctxt->lqc_sb)->files[i],
+ i, &id_list);
+#endif
+ if (rc) {
+ CERROR("%s: failed to get %s qids\n", obd->obd_name,
+ i ? "group" : "user");
+ continue;
+ }
+
+ list_for_each_entry_safe(dqid, tmp, &id_list,
+ di_link) {
+ struct lustre_qunit_size *lqs;
+
+ list_del_init(&dqid->di_link);
+ lqs = quota_search_lqs(LQS_KEY(i, dqid->di_id),
+ qctxt, 1);
+ if (lqs && !IS_ERR(lqs)) {
+ lqs->lqs_flags |= dqid->di_flag;
+ lqs_putref(lqs);
+ } else {
+ CERROR("%s: failed to create a lqs for %sid %u"
+ "\n", obd->obd_name, i ? "g" : "u",
+ dqid->di_id);
+ }
+
+ OBD_FREE_PTR(dqid);
+ }
+ }
+}
+