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LU-6582 wireshark: Add new LDLM intent bits
[fs/lustre-release.git] / lustre / osd-zfs / osd_quota.c
index d986714..9a425e7 100644 (file)
 /**
  * Helper function to retrieve DMU object id from fid for accounting object
  */
-uint64_t osd_quota_fid2dmu(const struct lu_fid *fid)
+dnode_t *osd_quota_fid2dmu(const struct osd_device *osd,
+                          const struct lu_fid *fid)
 {
        LASSERT(fid_is_acct(fid));
        if (fid_oid(fid) == ACCT_GROUP_OID)
-               return DMU_GROUPUSED_OBJECT;
-       return DMU_USERUSED_OBJECT;
+               return osd->od_groupused_dn;
+       return osd->od_userused_dn;
 }
 
 /**
@@ -92,54 +93,55 @@ static int osd_acct_index_lookup(const struct lu_env *env,
 {
        struct osd_thread_info  *info = osd_oti_get(env);
        char                    *buf  = info->oti_buf;
+       size_t                   buflen = sizeof(info->oti_buf);
        struct lquota_acct_rec  *rec  = (struct lquota_acct_rec *)dtrec;
        struct osd_object       *obj = osd_dt_obj(dtobj);
        struct osd_device       *osd = osd_obj2dev(obj);
        int                      rc;
-       uint64_t                 oid;
+       dnode_t *dn;
        ENTRY;
 
        rec->bspace = rec->ispace = 0;
 
        /* convert the 64-bit uid/gid into a string */
-       sprintf(buf, "%llx", *((__u64 *)dtkey));
-       /* fetch DMU object ID (DMU_USERUSED_OBJECT/DMU_GROUPUSED_OBJECT) to be
+       snprintf(buf, buflen, "%llx", *((__u64 *)dtkey));
+       /* fetch DMU object (DMU_USERUSED_OBJECT/DMU_GROUPUSED_OBJECT) to be
         * used */
-       oid = osd_quota_fid2dmu(lu_object_fid(&dtobj->do_lu));
+       dn = osd_quota_fid2dmu(osd, lu_object_fid(&dtobj->do_lu));
 
        /* disk usage (in bytes) is maintained by DMU.
         * DMU_USERUSED_OBJECT/DMU_GROUPUSED_OBJECT are special objects which
-        * not associated with any dmu_but_t (see dnode_special_open()).
-        * As a consequence, we cannot use udmu_zap_lookup() here since it
-        * requires a valid oo_db. */
-       rc = -zap_lookup(osd->od_os, oid, buf, sizeof(uint64_t), 1,
-                       &rec->bspace);
-       if (rc == -ENOENT)
+        * not associated with any dmu_but_t (see dnode_special_open()). */
+       rc = osd_zap_lookup(osd, dn->dn_object, dn, buf, sizeof(uint64_t), 1,
+                           &rec->bspace);
+       if (rc == -ENOENT) {
                /* user/group has not created anything yet */
                CDEBUG(D_QUOTA, "%s: id %s not found in DMU accounting ZAP\n",
                       osd->od_svname, buf);
-       else if (rc)
+       } else if (rc) {
                RETURN(rc);
+       }
 
-       if (osd->od_quota_iused_est) {
+       if (!osd_dmu_userobj_accounting_available(osd)) {
                if (rec->bspace != 0)
                        /* estimate #inodes in use */
                        rec->ispace = osd_objset_user_iused(osd, rec->bspace);
-               RETURN(+1);
+               rc = 1;
+       } else {
+               snprintf(buf, buflen, OSD_DMU_USEROBJ_PREFIX "%llx",
+                        *((__u64 *)dtkey));
+               rc = osd_zap_lookup(osd, dn->dn_object, dn, buf,
+                                   sizeof(uint64_t), 1, &rec->ispace);
+               if (rc == -ENOENT) {
+                       CDEBUG(D_QUOTA,
+                              "%s: id %s not found dnode accounting\n",
+                              osd->od_svname, buf);
+               } else if (rc == 0) {
+                       rc = 1;
+               }
        }
 
-       /* as for inode accounting, it is not maintained by DMU, so we just
-        * use our own ZAP to track inode usage */
-       rc = -zap_lookup(osd->od_os, obj->oo_db->db_object,
-                        buf, sizeof(uint64_t), 1, &rec->ispace);
-       if (rc == -ENOENT)
-               /* user/group has not created any file yet */
-               CDEBUG(D_QUOTA, "%s: id %s not found in accounting ZAP\n",
-                      osd->od_svname, buf);
-       else if (rc)
-               RETURN(rc);
-
-       RETURN(+1);
+       RETURN(rc);
 }
 
 /**
@@ -156,7 +158,8 @@ static struct dt_it *osd_it_acct_init(const struct lu_env *env,
        struct osd_it_quota     *it;
        struct lu_object        *lo   = &dt->do_lu;
        struct osd_device       *osd  = osd_dev(lo->lo_dev);
-       int                      rc;
+       dnode_t *dn;
+       int rc;
        ENTRY;
 
        LASSERT(lu_object_exists(lo));
@@ -169,7 +172,8 @@ static struct dt_it *osd_it_acct_init(const struct lu_env *env,
                RETURN(ERR_PTR(-ENOMEM));
 
        memset(it, 0, sizeof(*it));
-       it->oiq_oid = osd_quota_fid2dmu(lu_object_fid(lo));
+       dn = osd_quota_fid2dmu(osd, lu_object_fid(lo));
+       it->oiq_oid = dn->dn_object;
 
        /* initialize zap cursor */
        rc = osd_zap_cursor_init(&it->oiq_zc, osd->od_os, it->oiq_oid, 0);
@@ -197,7 +201,7 @@ static void osd_it_acct_fini(const struct lu_env *env, struct dt_it *di)
        ENTRY;
 
        osd_zap_cursor_fini(it->oiq_zc);
-       lu_object_put(env, &it->oiq_obj->oo_dt.do_lu);
+       osd_object_put(env, it->oiq_obj);
        OBD_FREE_PTR(it);
 
        EXIT;
@@ -267,15 +271,19 @@ static int osd_it_acct_key_size(const struct lu_env *env,
  * to read bytes we need to call zap_lookup explicitly.
  */
 static int osd_zap_cursor_retrieve_value(const struct lu_env *env,
-                                        zap_cursor_t *zc,  char *buf,
-                                        int buf_size, int *bytes_read)
+                                        struct osd_it_quota *it,
+                                        char *buf, int buf_size,
+                                        int *bytes_read)
 {
+       const struct lu_fid *fid = lu_object_fid(&it->oiq_obj->oo_dt.do_lu);
        zap_attribute_t *za = &osd_oti_get(env)->oti_za;
+       zap_cursor_t *zc = it->oiq_zc;
+       struct osd_device *osd = osd_obj2dev(it->oiq_obj);
        int rc, actual_size;
 
        rc = -zap_cursor_retrieve(zc, za);
        if (unlikely(rc != 0))
-               return -rc;
+               return rc;
 
        if (unlikely(za->za_integer_length <= 0))
                return -ERANGE;
@@ -289,10 +297,10 @@ static int osd_zap_cursor_retrieve_value(const struct lu_env *env,
                buf_size = za->za_num_integers;
        }
 
-       rc = -zap_lookup(zc->zc_objset, zc->zc_zapobj,
-                        za->za_name, za->za_integer_length,
-                        buf_size, buf);
-
+       /* use correct special ID to request bytes used */
+       rc = osd_zap_lookup(osd, fid_oid(fid) == ACCT_GROUP_OID ?
+                           DMU_GROUPUSED_OBJECT : DMU_USERUSED_OBJECT, NULL,
+                           za->za_name, za->za_integer_length, buf_size, buf);
        if (likely(rc == 0))
                *bytes_read = actual_size;
 
@@ -323,13 +331,12 @@ static int osd_it_acct_rec(const struct lu_env *env,
        rec->ispace = rec->bspace = 0;
 
        /* retrieve block usage from the DMU accounting object */
-       rc = osd_zap_cursor_retrieve_value(env, it->oiq_zc,
-                                          (char *)&rec->bspace,
+       rc = osd_zap_cursor_retrieve_value(env, it, (char *)&rec->bspace,
                                           sizeof(uint64_t), &bytes_read);
        if (rc)
                RETURN(rc);
 
-       if (osd->od_quota_iused_est) {
+       if (!osd_dmu_userobj_accounting_available(osd)) {
                if (rec->bspace != 0)
                        /* estimate #inodes in use */
                        rec->ispace = osd_objset_user_iused(osd, rec->bspace);
@@ -343,8 +350,9 @@ static int osd_it_acct_rec(const struct lu_env *env,
 
        /* inode accounting is not maintained by DMU, so we use our own ZAP to
         * track inode usage */
-       rc = -zap_lookup(osd->od_os, it->oiq_obj->oo_db->db_object,
-                        za->za_name, sizeof(uint64_t), 1, &rec->ispace);
+       rc = osd_zap_lookup(osd, it->oiq_obj->oo_dn->dn_object,
+                           it->oiq_obj->oo_dn, za->za_name, sizeof(uint64_t),
+                           1, &rec->ispace);
        if (rc == -ENOENT)
                /* user/group has not created any file yet */
                CDEBUG(D_QUOTA, "%s: id %s not found in accounting ZAP\n",