LU-1182 ofd: add space accounting support

[fs/lustre-release.git] / lustre / ofd / ofd_obd.c

diff --git a/lustre/ofd/ofd_obd.c b/lustre/ofd/ofd_obd.c
index 415bfe8..a49b490 100644 (file)
--- a/lustre/ofd/ofd_obd.c
+++ b/lustre/ofd/ofd_obd.c
@@ -44,6 +44,7 @@
 
 #include "ofd_internal.h"
 #include <obd_cksum.h>
+#include <lquota.h>
 
 static int ofd_export_stats_init(struct ofd_device *ofd,
                                 struct obd_export *exp, void *client_nid)
@@ -1426,6 +1427,9 @@ static int ofd_obd_notify(struct obd_device *obd, struct obd_device *unused,
 
 /*
  * Handle quotacheck requests.
+ * Although in-kernel quotacheck isn't supported any more, we still emulate it
+ * in order to interoperate with current MDT stack which needs proper
+ * quotacheck support, even for space accounting.
  *
  * \param obd - is the obd device associated with the ofd
  * \param exp - is the client's export
@@ -1434,7 +1438,23 @@ static int ofd_obd_notify(struct obd_device *obd, struct obd_device *unused,
 static int ofd_quotacheck(struct obd_device *obd, struct obd_export *exp,
                          struct obd_quotactl *oqctl)
 {
-       return 0;
+       struct ptlrpc_request   *req;
+       struct obd_quotactl     *body;
+       ENTRY;
+
+       req = ptlrpc_request_alloc_pack(exp->exp_imp_reverse, &RQF_QC_CALLBACK,
+                                       LUSTRE_OBD_VERSION, OBD_QC_CALLBACK);
+       if (req == NULL)
+               RETURN(-ENOMEM);
+
+       body = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
+       oqctl->qc_stat = 0;
+       memcpy(body, oqctl, sizeof(*body));
+
+       ptlrpc_request_set_replen(req);
+       ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
+
+       RETURN(0);
 }
 
 /*
@@ -1448,7 +1468,24 @@ static int ofd_quotacheck(struct obd_device *obd, struct obd_export *exp,
 static int ofd_quotactl(struct obd_device *obd, struct obd_export *exp,
                        struct obd_quotactl *oqctl)
 {
-       return 0;
+       struct ofd_device  *ofd = ofd_dev(obd->obd_lu_dev);
+       struct lu_env       env;
+       int                 rc;
+       ENTRY;
+
+       /* report success for quota on/off for interoperability with current MDT
+        * stack */
+       if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF)
+               RETURN(0);
+
+       rc = lu_env_init(&env, LCT_DT_THREAD);
+       if (rc)
+               RETURN(rc);
+
+       rc = lquotactl_slv(&env, ofd->ofd_osd, oqctl);
+       lu_env_fini(&env);
+
+       RETURN(rc);
 }
 
 struct obd_ops ofd_obd_ops = {