LU-11425 quota: support quota for DoM

[fs/lustre-release.git] / lustre / quota / lquota_lib.c

diff --git a/lustre/quota/lquota_lib.c b/lustre/quota/lquota_lib.c
index ad82fd1..093dc38 100644 (file)
--- a/lustre/quota/lquota_lib.c
+++ b/lustre/quota/lquota_lib.c
@@ -117,17 +117,26 @@ struct dt_object *acct_obj_lookup(const struct lu_env *env,
  *
  * \param env - is the environment passed by the caller
  * \param dev - is the dt_device storing the slave index object
+ * \param pool - is the pool type, either LQUOTA_RES_MD or LQUOTA_RES_DT
  * \param type - is the quota type, either USRQUOTA or GRPQUOTA
  */
 static struct dt_object *quota_obj_lookup(const struct lu_env *env,
-                                         struct dt_device *dev, int type)
+                                         struct dt_device *dev, int pool,
+                                         int type)
 {
        struct lquota_thread_info       *qti = lquota_info(env);
        struct dt_object                *obj = NULL;
+       int                              is_md;
        ENTRY;
 
+       is_md = lu_device_is_md(dev->dd_lu_dev.ld_site->ls_top_dev);
+       if ((is_md && pool == LQUOTA_RES_MD) ||
+           (!is_md && pool == LQUOTA_RES_DT))
+               qti->qti_fid.f_oid = qtype2slv_oid(type);
+       else
+               qti->qti_fid.f_oid = pool << 16 | qtype2slv_oid(type);
+
        qti->qti_fid.f_seq = FID_SEQ_QUOTA;
-       qti->qti_fid.f_oid = qtype2slv_oid(type);
        qti->qti_fid.f_ver = 0;
 
        /* lookup the quota object */
@@ -173,7 +182,7 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
 {
        struct lquota_thread_info       *qti = lquota_info(env);
        __u64                            key;
-       struct dt_object                *obj;
+       struct dt_object                *obj, *obj_aux = NULL;
        struct obd_dqblk                *dqblk = &oqctl->qc_dqblk;
        int                              rc;
        ENTRY;
@@ -215,7 +224,11 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
 
        /* Step 2: collect enforcement information */
 
-       obj = quota_obj_lookup(env, dev, oqctl->qc_type);
+       if (lu_device_is_md(dev->dd_lu_dev.ld_site->ls_top_dev))
+               obj = quota_obj_lookup(env, dev, LQUOTA_RES_MD, oqctl->qc_type);
+       else
+               obj = quota_obj_lookup(env, dev, LQUOTA_RES_DT, oqctl->qc_type);
+
        if (IS_ERR(obj))
                RETURN(0);
        if (obj->do_index_ops == NULL)
@@ -231,6 +244,24 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
        if (lu_device_is_md(dev->dd_lu_dev.ld_site->ls_top_dev)) {
                dqblk->dqb_ihardlimit = qti->qti_slv_rec.qsr_granted;
                dqblk->dqb_bhardlimit = 0;
+
+               obj_aux = quota_obj_lookup(env, dev, LQUOTA_RES_DT,
+                                          oqctl->qc_type);
+               if (IS_ERR(obj_aux)) {
+                       obj_aux = NULL;
+                       GOTO(out, rc = 0);
+               }
+
+               if (obj_aux->do_index_ops == NULL)
+                       GOTO(out, rc = 0);
+
+               memset(&qti->qti_slv_rec, 0, sizeof(qti->qti_slv_rec));
+               rc = dt_lookup(env, obj_aux, (struct dt_rec *)&qti->qti_slv_rec,
+                              (struct dt_key *)&key);
+               if (rc < 0 && rc != -ENOENT)
+                       GOTO(out, rc = 0);
+
+               dqblk->dqb_bhardlimit = qti->qti_slv_rec.qsr_granted;
        } else {
                dqblk->dqb_ihardlimit = 0;
                dqblk->dqb_bhardlimit = qti->qti_slv_rec.qsr_granted;
@@ -240,6 +271,8 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
        GOTO(out, rc = 0);
 out:
        dt_object_put(env, obj);
+       if (obj_aux != NULL)
+               dt_object_put(env, obj_aux);
        return rc;
 }
 EXPORT_SYMBOL(lquotactl_slv);